Calculate invoice totals with taxes, discounts, and late payment fees based on your payment terms.
No late fee
| Subtotal | $1000.00 |
| Discount | -$0.00 |
| Taxable Amount | $1000.00 |
| Tax (8.5%) | $85.00 |
| Invoice Total | $1085.00 |
| Late Fee (0 days) | $0.00 |
| Total Due Now | $1085.00 |
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Total = (Subtotal − Discount) × (1 + Tax%)
Late Fee = Total × Monthly Rate × (Days Overdue / 30)
Late fee = (Outstanding Balance × Annual Rate / 365) × Days Overdue. Many businesses charge 1.5% per month.
Net-30 means payment due in 30 days. Net-15 and Net-60 are also common. '2/10 Net 30' means 2% discount if paid in 10 days.
Yes, if disclosed upfront in the contract or invoice. Check your state's maximum interest rate laws for limits.
Invoice number, date, due date, itemized services/products, subtotal, taxes, and total amount due.
Calculations are for educational purposes only. Consult a qualified financial advisor for personalized advice.