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HomeBusiness & FreelanceInvoice Factoring Calculator — The True Cost of Factoring Invoices

Invoice Factoring Calculator — The True Cost of Factoring Invoices

Calculate the real cost of invoice factoring vs waiting for customer payment.

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Invoice Factoring Calculator — The True Cost of Factoring Invoices

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Effective APR
30.4%positivepositive trend
Advance Received
$21,250
Factoring Fee
$1,250
Net Received
$23,750

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Deep-dive articles

Key Takeaways

  • A 3% factoring fee per 30 days annualizes to 36% APR—dramatically higher than it initially sounds
  • Factoring costs 2-5 times more than a typical business loan or line of credit in annualized terms
  • Factoring makes sense only when the cash flow gap is worth more to your business than the financing cost
  • If you can deploy factored cash to earn 30%+ returns (bulk purchases, time-sensitive opportunities), factoring is economical
  • If you're factoring just to meet payroll or cover general cash flow, it's likely destroying business value

The APR Illusion That Kills Businesses

A factoring company offers a seemingly reasonable deal: 3% fee per 30 days. You have $50,000 in unpaid invoices due in 60 days. They'll advance 85% ($42,500) immediately. You'll owe $50,000 × 3% × 2 months = $3,000 in fees. Net received: $39,500.

The fee sounds acceptable. 3% is less than 5%, less than a credit card's 21% APR, less than a payday loan's 400% APR.

Until you annualize it.

That 3% per 30 days compounds to roughly 36% APR. If you were to factor invoices continuously throughout the year, you'd pay approximately 36% of your invoice value annually as factoring fees.

Suddenly, the narrative changes. 36% APR isn't"reasonable." It's predatory. It's more expensive than most credit cards and almost every traditional business loan.

Understanding the Math Behind the Annualization

The formula is straightforward:

Effective APR = (Factoring Fee Rate) × (365 / Days to Payment) × 100

Example: 3% fee, 30-day payment cycle
(0.03) × (365/30) × 100 = 36.5% APR

Example: 2.5% fee, 60-day payment cycle
(0.025) × (365/60) × 100 = 15.2% APR

The payment speed matters enormously. A 3% fee on a 60-day invoice is only 18.2% APR—annoying but maybe defensible. A 3% fee on a 15-day invoice is 73% APR—absolutely ridiculous.

This is why the invoice factoring industry makes their money on short payment cycles. Construction companies with Net 60 terms? 18% APR. Staffing companies with Net 7 terms? 156% APR.

Why Factoring Costs So Much More Than Traditional Financing

A traditional business loan: 8-10% APR for solid credit, 12-15% for shakier credit.
A business line of credit: 8-12% APR.
A credit card: 18-22% APR.
Invoice factoring: 18-60% APR (annualized).

Why is factoring so expensive? Three reasons:

1. Credit Risk: Banks assume traditional loans might not be repaid. Factoring companies assume the invoice won't be paid (customer bankruptcy, dispute, non-payment). This risk is priced into the fee.

2. Collections Labor: The factor doesn't just lend you money—they collect payment from your customer. That's labor-intensive. They're paying staff to manage AR, follow up on payment, handle disputes.

3. Recourse Risk: If the customer disputes the invoice or goes out of business, many factoring agreements are"recourse"—meaning you owe the factor back the advanced money. You have the collection risk and the cost.

Banks don't collect. Factors do. That service costs more than traditional lending.

When the Cost Is Justified: The Opportunity Test

You receive $50,000 in invoices due in 60 days. Factoring cost: $2,500 (2.5% × 2 months). You decline the factor and wait 60 days for payment.

Alternative: Factor the invoices, get $47,500 in cash today. Use that cash to:

• Buy inventory at 20% discount (saves $9,500)
• Close a $100,000 project that requires $20,000 upfront payment by tomorrow (earn $15,000 profit)
• Pre-buy materials before a price increase hits in 30 days (saves $8,000)

In this scenario, factoring costs $2,500 but enables $15,000-$25,000 in opportunity gains. The ROI is spectacular.

This is the critical question: Can you deploy factored cash to earn returns exceeding the factoring cost?

If the answer is yes and the return is significant (20%+), factoring makes sense.
If the answer is no or the return is marginal (3-5%), factoring destroys value.

The Trap: Factoring Just to Cover Cash Flow

Many businesses factor invoices not because they have growth opportunities, but because they're desperately short of cash. They need money to meet payroll, pay suppliers, or cover operating expenses.

This is the worst use of factoring.

A contractor facing payroll pressure factors an invoice due in 45 days. Cost: $1,500 (3% fee). He gets $47,500 immediately, pays payroll, and survives another month. Repeat this every month.

Over a year, he's paying approximately 36% in factoring fees on his AR. This is capital-intensive and destroys the business's profitability. Every invoice goes through a 36% erosion.

The real problem isn't"I need cash." It's"My business model requires factoring to survive." That business model is broken.

Better Alternatives to Factoring

1. Business Line of Credit (8-12% APR): Most banks offer lines of credit at roughly 1/3 the cost of factoring. If you can qualify, this is almost always superior.

2. Trade Credit Negotiation: Instead of factoring customer invoices, negotiate shorter payment terms."I'll give you a 2% discount for Net 15 instead of Net 60." You get cash faster and avoid factoring fees.

3. Supplier Credit Extension: Negotiate extended payment terms with suppliers."Can we move to Net 60 instead of Net 30?" This extends your cash cycle without expensive factoring.

4. Early Payment Discounts: Some of your customers will pay in 15 days if offered a 2% discount. That's cheaper than 3% factoring and builds customer goodwill.

5. Raising Prices / Adjusting Service Terms: If you're chronically short on cash despite healthy margins, you're probably underpriced. Raise prices. Terms of payment are part of the service.

Factoring for Growth: The Legitimate Use Case

Some businesses factor invoices as a strategic growth tool.

Example: A staffing company wins a $500,000 contract with a large corporation. Payment terms are Net 60. To fulfill the contract, they need to pay workers $400,000 in the first 30 days.

They factor the invoices. Cost: $30,000 (3% × 2 months). They get the cash, pay workers, fulfill the contract, and earn $100,000 profit. The $30,000 factoring cost is baked into their contract margins. They budgeted for it.

This is strategically different from"factor invoices to cover payroll shortfall." This is"factor invoices to unlock growth that pays more than the financing cost."

Factoring and Customer Relationships

When you factor invoices, you're often required to notify the customer that their payment goes to the factor. This can create relationship friction.

Large customers might view this as a sign you're financially weak. Competitors might use it against you. Some customers refuse to work with businesses that factor.

This isn't purely financial—it's reputational. And reputational cost is hard to quantify but very real.

Red Flags: When NOT to Factor

• You're factoring to cover recurring operational shortfalls
• Your customers are frequently disputing invoices
• Your payment cycle is long (90+ days) and factor fees eat all available margin
• You're borrowing from Peter to pay Paul each month
• You can't articulate how factored cash will generate return exceeding the fee

If multiple red flags apply, you have a business model problem. Factoring won't fix it—it'll just delay the reckoning.

FAQ

What's the difference between recourse and non-recourse factoring?

Recourse: If the customer doesn't pay, you owe the factor back the advanced amount. You keep the collection risk. Non-recourse: Factor keeps the risk. Non-recourse costs 1-2% more in fees because the factor absorbs the risk.

Can I negotiate factoring fees?

Somewhat. If you have consistent, low-risk invoices (large customers, short payment cycles, strong credit), factors will compete for your business. You might negotiate 2% instead of 3%. But you can't negotiate factoring down to 8-10% APR—that's not how it works.

What if I factor occasionally, not continuously?

The APR calculation is the same. Occasional factoring is more expensive per transaction because you don't get volume discounts, but you're not sustaining the 36% ongoing cost. This is actually the honest use case for factoring.

Is factoring a debt on my balance sheet?

No. Factoring isn't a loan—it's asset sale (you're selling the invoice). This is why it's popular with businesses struggling with debt ratios. But it shows up as a reduction in AR and reduced cash flow from operations, which banks understand.

Should I factor or take a business loan?

If you can qualify for a business loan at 10% APR, the loan is 25% cheaper than factoring. Always pursue a loan first. Factor only if you can't get credit elsewhere, or if the factoring opportunity is tied to specific profitable growth.

Key Takeaways

  • Invoice factoring costs 3-5 times more than traditional business financing on an annualized basis
  • Lines of credit are faster to access than loans but more expensive than loans, cheaper than factoring
  • Your business model determines which financing makes sense—growth-focused? Loan. Cash flow crisis? Maybe factoring. Seasonal? Line of credit
  • Most healthy businesses should never need to factor—a business loan or line of credit provides better economics
  • Factoring is the"last resort" financing for businesses that can't qualify for traditional credit

The Financing Landscape: Four Options and Their Economics

Business Loan (Term Loan): Borrow $50,000, repay in fixed monthly installments over 3-5 years at 8-15% APR. Cost: ~$9,000-15,000 total interest.

Line of Credit (Revolving Credit): Access up to $50,000 as needed, pay interest only on what you borrow. Rate: 10-18% APR. Cost: ~$2,500-9,000/year if you use $50,000 for a year.

Invoice Factoring: Sell invoices at a discount (2-5% fee per 30 days). Cost: ~$18,000/year on $50,000 in continuous AR (36% annualized).

Credit Card: Borrow up to $50,000 (depending on limit), pay 18-22% APR. Cost: ~$9,000-11,000/year on $50,000 balance.

The math is clear: Loans are cheapest, then credit cards, then lines of credit, then factoring is most expensive.

The Trade-Offs: Cost vs. Speed vs. Ease

But cost isn't the only dimension. Let's compare holistically:

Business Loan
✓ Cheapest financing (8-15% APR)
✓ Fixed payments, predictable
✓ No collateral required (unsecured)
✗ Slow approval (3-6 weeks)
✗ Requires strong credit and financials
✗ Fixed term (can't access more without new loan)
Use case: Known capital need, stable business, can wait for approval

Line of Credit
✓ Fast access (24-48 hours)
✓ Flexible—borrow what you need, when you need it
✓ Lower cost than factoring (10-18% APR)
✓ Revolving—repay and reborrow
✗ Requires good credit
✗ More expensive than term loans
Use case: Seasonal business, unpredictable cash needs, solid credit

Invoice Factoring
✓ Fast approval (24-48 hours)
✓ No credit requirement (factor cares about customer creditworthiness)
✓ Automatic—scales with your revenue (more invoices = more capital)
✓ Can be non-recourse (factor takes collection risk)
✗ Most expensive financing (18-60% APR annualized)
✗ Customer notification required (relationship risk)
✗ Becomes recurring if you factor continuously
Use case: No credit access, urgent growth opportunity, willing to pay premium for speed

Credit Card
✓ Instant access (already have card)
✓ No application process
✓ Flexible
✗ High interest (18-22% APR)
✗ Low limits relative to business needs
Use case: Emergency cash flow, small amounts, short-term borrowing

Decision Framework: When to Use Each

Scenario 1: You need $50,000 to buy equipment for a new client contract. You have good credit and 4 weeks before the contract starts.

Strong option: Business loan. You'll pay 8-12% APR, approval takes 3-4 weeks, you get the capital in time. Total cost: ~$1,000-1,500 in interest over 3 years. Worst option: Factoring your invoices at 36% APR—overkill and wasteful.

Scenario 2: Your business is seasonal. You need $30,000 in spring for inventory buildup, but you pay it back by fall when sales peak.

Strong option: Line of credit. You establish it in advance (even before you need it), pay roughly 12-15% APR, but only on what you borrow ($30,000) for roughly 6 months. Total cost: ~$900-1,125. Loan would cost more because you're paying 3-year interest on 6-month need.

Scenario 3: You just landed a massive contract, invoices are due Net 60, but you need cash immediately to fulfill it. Your business has weak credit.

Strong option: Invoice factoring. You can't qualify for a loan or line of credit. Factoring costs 2-3% × 2 months = $3,000-4,500 on $75,000 in invoices. This is expensive but economically justified because you're enabling $75,000 in revenue you couldn't otherwise capture. This is growth-financed, not cash flow financing.

Scenario 4: You're in a cash flow crisis. You need $15,000 to cover next week's payroll. You have bad credit.

Honest assessment: You don't have a financing problem, you have a business model problem. No financing solution will fix this. Factoring will provide temporary relief, but it'll cost 36% annualized while your fundamental issue (revenue < expenses) remains unsolved. Instead: Cut costs, raise prices, renegotiate payment terms with customers/suppliers, or consider if this business is sustainable.

Why Businesses Fail: Choosing Wrong Financing

Common mistake: A business with weak cash flow factors invoices continuously because it's fast and no credit check is required.

Each month, they're losing 3% × (days to payment / 30) of revenue to factoring fees. This is death by a thousand cuts. Margins get compressed. The business becomes less profitable. Eventually, it's not viable.

Better path: Diagnose the cash flow problem. Is it a business model issue (underpriced)? A collections issue (customers pay late)? A growth investment (profitable but cash-negative)? Once diagnosed, choose financing that matches the problem.

Underpriced business: Problem isn't financing. Raise prices.
Late-paying customers: Negotiate shorter terms or early payment discounts instead of factoring.
Profitable growth investment: Business loan is appropriate. You'll generate return exceeding the loan cost.

The Credit Score Arbitrage

A business with strong credit (720+ personal score, 2+ years of financials, <30% debt) qualifies for loans at 8-10% APR.

The same business with weak credit (550-650 score, startup, high leverage) might not qualify for loans but factoring is available at 3% per 30 days = 36% APR.

The gap: 26% APR difference. Over 5 years on $50,000, that's $65,000 more in financing costs.

This is why credit building is an underrated business priority. Spending 6 months to build your business credit score from 600 to 700 might save you 5-8% in future financing costs. On $50,000, that's $2,500-4,000 in annual savings.

Lines of Credit: The Hybrid Option

Many businesses overlook lines of credit because they assume you use them or lose them. Actually, most business lines operate as revolving credit—you can borrow and repay repeatedly without new applications.

Establish a $75,000 line of credit when you don't need it. Pay for establishing it (annual fee, typically $300-500) even if unused. When cash crunches hit, you can borrow at 12-15% APR without approval delays.

This is superior to factoring because:

• Interest rate is 50% lower (12% vs. 36%)
• No customer notification required
• You control the repayment timeline
• It's available multiple times (factor requires new agreement each time)

Smart CFOs establish a line of credit as"insurance" before they need it.

Combining Strategies: The Optimal Finance Stack

Mature businesses use multiple financing sources:

Business Loan: $100,000 for equipment/expansion. Fixed cost, known ROI project. 8% APR over 5 years.

Line of Credit: $50,000 revolving credit for seasonal cash flow gaps. Use when needed, repay from seasonal revenue. 12% APR on drawn balance.

Invoice Factoring: Used strategically for specific high-margin contracts that require upfront cash. Maybe $20,000-30,000 per year on opportunities with 20%+ return.

Trade Credit: Negotiate Net 60 terms with suppliers instead of Net 30. This extends cash runway without borrowing.

This stack diversifies financing costs: baseline is cheap (8% loan for core needs), flexibility is moderate (12% line for seasonal), and premium is reserved for specific high-return opportunities (36% factoring for projects earning 40%+ returns).

The Red Flag: When You're Refinancing Debt

If you're using new financing to pay off old financing, you have a problem. Cycling between lines of credit, factoring, and loans to stay afloat indicates your business isn't generating enough cash to be sustainable.

Financing should enable growth or smooth temporary gaps, not fund permanent operating losses.

FAQ

Can I get a business loan without business credit?

Difficult but possible. Most banks require 6+ months of business history and business tax returns. SBA loans are easier for startups and require personal credit score of 620+. Credit builder loans (secured) can build business credit from scratch.

Which financing counts as debt on my balance sheet?

Business loans and lines of credit are debt. Factoring is technically asset sale (you're selling AR), so it shows as reduced AR and increased cash flow, not debt. This is why some businesses prefer factoring for balance sheet reasons despite the cost.

How fast can I get each type of financing?

Credit card: Instant (if already approved). Line of credit: 1-3 days (if established). Factoring: 1-2 days. Business loan: 3-6 weeks.

What if I need to borrow different amounts at different times?

Line of credit is ideal. Borrow $10,000 one month, $50,000 the next. Pay interest only on what you borrow. Lines of credit are designed for variable needs.

Should I ever use factoring if I can get a loan?

Only if the factored amount is tied to a specific project earning 20%+ return. Otherwise, the loan is cheaper and better. Factoring should be the last resort, not the default.

Key Takeaways

  • Factoring only makes economic sense when the return on factored capital exceeds the factoring cost by a meaningful margin
  • The"opportunity cost of waiting" must be quantified—if waiting costs you $20,000 but factoring costs $3,000, factoring wins
  • Three legitimate use cases: time-sensitive growth opportunities, inventory arbitrage, and customer contract qualification
  • If you can't articulate why factoring generates positive ROI, don't do it
  • Continuous factoring to cover operational shortfalls is a business failure, not a financing solution

The Economic Question: Does Factoring Generate Positive ROI?

This is the only question that matters. Every other consideration (speed, credit requirements, simplicity) is secondary to ROI.

You have $40,000 in invoices due in 60 days. Factoring cost: $2,400 (3% × 2 months).

The question is not"is 36% APR expensive?" (yes, obviously)

The question is:"If I don't factor and wait 60 days, what do I lose?"

Quantify the cost of waiting. Only then can you compare factoring cost to the opportunity cost.

Scenario 1: Time-Sensitive Growth Opportunity

A contractor wins a $200,000 project starting immediately. Payment terms are Net 60. To fulfill the project, he needs to hire subcontractors and buy materials upfront—$150,000 immediate cash outlay.

His options:

Option A: Wait for customer payment (no factoring)
Timeline: 60 days before payment arrives
Problem: He can't start the project for 60 days (no capital). Subcontractors move to other jobs. Materials get purchased by competitors. Customer gets frustrated and cancels. Revenue loss: $200,000

Option B: Factor the invoice
Cost: $200,000 × 3% × 2 months = $12,000
Benefit: Start immediately, secure the contract, earn $40,000 profit (before factoring cost)
Net benefit: $40,000 - $12,000 = $28,000 profit
ROI on factoring: 233% return on the $12,000 cost

Factoring is clearly correct. The alternative is losing the entire project.

Scenario 2: Inventory Arbitrage

You're a distributor. A supplier offers a one-week bulk discount: $80,000 of inventory for $60,000 (25% discount). Deal expires in 3 days. You can resell this inventory for $95,000, netting $35,000 profit.

Problem: You don't have $60,000 cash available. You have $50,000 in customer invoices due in 45 days.

Option A: Decline the deal
You keep your $60,000 capital for other needs. The supplier sells inventory to a competitor who buys it at full price. You miss $35,000 in profit opportunity.

Option B: Factor the invoices
Cost: $50,000 × 2% × 1.5 months = $1,500
You get $47,500 immediately. Combined with your $10,000 buffer, you have $57,500. Close enough for the $60,000 deal, squeaking by.
You resell the inventory, net $35,000 profit
Net benefit: $35,000 - $1,500 = $33,500 profit
ROI: 2,233% return on the $1,500 factoring cost

Again, factoring is economically dominant.

Scenario 3: Customer Contract Qualification

You bid on a $500,000 annual contract with a Fortune 500 company. They require proof of insurance, bonding, and $100,000 liquid capital reserves as qualification criteria.

Without the $100,000 liquid capital, you don't even get considered. Your business loses the contract before pitching.

You factor $120,000 in AR to meet the $100,000 requirement and qualify.

Cost: $120,000 × 2.5% × 2 months = $6,000
Benefit: You now qualify for the contract. You win $500,000 in annual revenue (assume 15% margin = $75,000 profit/year)

The $6,000 cost buys you access to $75,000 in annual profit. The ROI is 1,150% in year 1, and recurring in future years.

Clearly justified.

The Pattern: Factoring Works When It Enables Profit

In all three scenarios, factoring enabled something impossible without it. Revenue that wouldn't exist. Profits that couldn't happen.

The factoring cost is immaterial compared to the opportunity gain.

Now flip to the opposite scenario:

When Factoring Destroys Value: The Cash Flow Trap

A service business (consulting, staffing, contracting) generates $100,000 in invoices monthly. Payment terms are Net 45. Business model: $90,000 cost, $10,000 profit per month.

Cash flow problem: $90,000 costs due now, $100,000 revenue arrives in 45 days. Working capital gap: $90,000.

Owner factors $100,000 in AR monthly at 2.5% per 30 days.

Monthly factoring cost: $100,000 × 2.5% × 1.5 months = $3,750
Annual factoring cost: $45,000
Profit before factoring: $120,000/year
Profit after factoring: $75,000/year
ROI erosion: 37.5%

Factoring is destroying the business. Every invoiced dollar loses 3.75% to financing. Margins compress. Business becomes barely profitable.

The real problem isn't financing—it's the business model. Options:

1. Renegotiate terms: Request Net 15 instead of Net 45. Offer 2% discount. Reduce the working capital gap.
2. Restructure pricing: The business is underpriced. $10,000 profit on $100,000 revenue is a 10% margin. If $45,000 in annual financing is needed, you're not profitable enough for this model.
3. Get a business loan: Instead of monthly factoring, get a $100,000 line of credit at 12% APR. Cost: $12,000/year. This buys you time to restructure the business. Still cheaper than factoring.

Factoring isn't fixing anything here. It's masking a broken business model.

The Decision Algorithm

Step 1: Calculate the factoring cost
Step 2: Quantify what you enable with the factored capital
Step 3: Is the"what you enable" revenue / profit significantly more than the factoring cost?
Step 4: If yes, and if no other financing option works, factor. If no, don't.
Step 5: If you're factoring continuously (recurring), you have a business model problem, not a financing problem

The Gut Check: Can You Explain Why to a Skeptic?

If someone asked you"why are you factoring this invoice at 36% APR?" could you explain the ROI in 2 sentences?

"Because this invoice enables a $500k contract I'd otherwise miss" ✓ Clear ROI
"Because I need cash flow to cover payroll" ✗ That's ongoing cost, not opportunity

If you can't explain the ROI crisply, you probably shouldn't factor.

The Math Template

Use this for any potential factoring decision:

Factoring cost: _______
Opportunity enabled: _______
Profit from opportunity: _______
ROI = (Profit - Cost) / Cost × 100 = ______%

ROI > 50%? Probably worth factoring
ROI 10-50%? Marginal, depends on risk
ROI < 10%? Probably not worth it, find another solution
ROI negative? Definitely don't factor

FAQ

What if I don't know the ROI upfront?

Then don't factor. You're speculating. Factoring should be for known opportunities with quantifiable returns. If you can't quantify it, you probably can't predict the outcome.

What if the opportunity is real but the returns are uncertain?

Scenario plan it."Best case: $50k profit. Worst case: $10k profit. Factoring costs $6k." Would you still factor in worst case? If yes, the decision is robust.

Can I factor to build business credit?

Technically, but this is expensive. A business loan or line of credit builds credit faster at half the cost. Don't use factoring as a credit-building tool.

What percentage of my AR should I factor?

If you're factoring continuously, something is wrong. If you're factoring occasionally for specific opportunities, 10-25% of monthly AR is reasonable. Above that, you're probably funding ongoing operations, which is a red flag.

Is factoring a sign my business is failing?

Not necessarily. Strategic factoring for growth opportunities is healthy. Continuous factoring to cover shortfalls is a symptom of deeper problems. The difference is whether you can explain the ROI or not.

Invoice factoring sells your unpaid invoices to a factoring company at a discount (typically 2-5% fee) to get immediate cash instead of waiting 30-90 days.

Factoring fees range from 1-5% of invoice value per 30 days. A $10,000 invoice factored at 3% costs $300. Annualized, this equals 36% APR.

When cash flow gap is killing growth. If you can deploy factored cash to earn 40%+ return (new project, bulk discount purchase), factoring can be worth it.

Factoring: you sell the invoice, factor collects payment from client. Financing: you borrow against invoice, you still collect from client and repay the lender.

Notify customers professionally that payment goes to the factor. Many large companies use factoring — it's common in construction, staffing, and transportation.

Multiply the factoring fee percentage by the number of periods per year. A 3% fee on 30-day invoices equals 36% annualized. Compare this to a business line of credit at 8-15% APR to determine if factoring is cost-effective.

Most B2B invoices for completed work or delivered goods can be factored. The key requirement is that the invoice is owed by a creditworthy business customer. Consumer invoices, disputed invoices, and invoices for incomplete work cannot be factored.

Recourse factoring means you repay the factor if your customer does not pay. Non-recourse factoring means the factor absorbs the loss from customer default. Non-recourse costs 1-2% more but protects you from bad debt risk entirely.

Most factoring companies provide 80-90% of the invoice value within 24-48 hours of approval. The remaining 10-20% minus the factoring fee is released when your customer pays the full invoice amount to the factoring company.

Business lines of credit offer lower rates at 8-15% APR. Invoice financing lets you keep customer relationships. SBA microloans provide up to $50,000. Revenue-based financing ties repayment to sales volume. Each suits different cash flow needs.

Factoring fee = Invoice amount × fee rate × (days to payment / 30). Effective APR = (total fee / invoice amount) × (365 / days) × 100. Compare to your opportunity cost of waiting.

Published byJere Salmisto· Founder, CalcFiReviewed byCalcFi EditorialEditorial standardsMethodologyLast updated May 9, 2026

Primary sources & authoritative references

Every formula on this page traces to a federal agency, central bank, or peer-reviewed institution. We cite the rule-makers, not secondhand blogs.

  • FTC — Business financing and commercial lending disclosures — Federal Trade Commission (opens in new tab)
  • Federal Reserve G.19 — Commercial credit rates — Board of Governors of the Federal Reserve SystemCommercial lending rates provide benchmark for factoring discount. (opens in new tab)
  • FRED — Commercial and industrial loan rate context — Federal Reserve Bank of St. Louis (opens in new tab)

Found an error in a formula or source? Report it →

Calculations are for educational purposes only. Consult a qualified financial advisor for personalized advice.