Calculate what percentage of your salary goes to rent and whether your housing costs are affordable based on the 30% rule.
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A mid-level software engineer in Austin, TX is comparing a $130,000 W-2 offer against their current $115,000 role. The new offer includes a $10,000 signing bonus and 0.1% equity in a Series B company.
Takeaway: Texas has no state income tax, which inflates take-home vs. the same offer in California (~9.3% marginal) or New York (~6.85%). Run the comparison with your state's rate above.
Take-home calculators estimate withholding based on single/married status and claimed allowances. If you have side income, multiple jobs, or itemized deductions, your actual withholding will differ. The IRS Tax Withholding Estimator is the most accurate tool for W-4 calibration.
Nine states have no income tax (TX, FL, WA, NV, AK, SD, WY, TN, NH). California tops out at 13.3% marginal. State tax can shift your net paycheck by $200-$1,000/month on a $100K salary. Always select your state before reading take-home results.
Cost of Living Salary AdjustmentEmployer-paid health insurance, 401(k) match, HSA contributions, and paid leave have real dollar value — typically $8,000-$25,000/year for a mid-career employee. Comparing two offers on base salary alone ignores a major component of total compensation.
Benefits Value CalculatorW-2 employees pay 7.65% FICA (SS + Medicare); employers match it invisibly. 1099 contractors pay the full 15.3% self-employment tax. A $100K 1099 contract has roughly $7,650 more tax friction than a $100K W-2 salary before any other adjustments.
1099 vs W-2 Tax ComparisonBonuses are withheld at a flat 22% federal supplemental rate (or 37% over $1M) — not your effective rate. Your actual tax on the bonus is determined at year-end filing. If your marginal rate is below 22%, you'll get a refund; above, you may owe.
Bonus Tax CalculatorBased on your inputs
Cost-Burdened
| Annual Salary | $70,000 |
|---|---|
| Monthly Gross Income | $5,833 |
| Monthly Take-Home (est.) | $4,005 |
| Monthly Rent | $1,800 |
| Total Housing Cost | $1,950 |
| Rent % of Gross Income | 30.9% |
| Rent % of Take-Home | 44.9% |
| Housing % of Gross | 33.4% |
| Affordable Rent (30% rule) | $1,750 |
| Salary Needed (40x rule) | $72,000 |
| Monthly Surplus after Housing | $2,055 |
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The classic guideline: spend no more than 30% of gross monthly income on rent. Spending above 30% is considered 'cost-burdened.' Above 50% is severely cost-burdened.
In expensive cities, many people spend 35-50% on rent by necessity. A better target is 30% of net (take-home) income, not gross, leaving room for savings and other expenses.
Multiply your monthly rent by 40 (or divide by 0.025) to find the recommended annual salary. For $2,000/month rent, you'd want $80,000/year in gross income.
Besides rent, budget for utilities (10-15% of rent), renters insurance (~$15-20/month), parking, and moving costs. Total housing often runs 35-40% of income.
At 30 percent of gross income, you can afford $1,500 per month in rent. Using the more conservative 30 percent of net income, the budget drops to roughly $1,150 to $1,250 per month.
The 50/30/20 rule allocates 50 percent of after-tax income to needs including rent, 30 percent to wants, and 20 percent to savings. Rent should fit within the 50 percent needs category along with other essentials.
Most landlords require gross monthly income of at least 3 times the monthly rent. For a $1,800 apartment, you typically need to show at least $5,400 in monthly gross income or $64,800 annually.
Yes, if possible. Keeping rent at 25 percent of income instead of 30 percent frees up 5 percent for investing. On a $70,000 salary, that extra savings equals $3,500 per year toward retirement or emergency funds.
Average rent ranges from $800 in affordable cities to over $3,000 in New York and San Francisco. The salary needed to comfortably afford rent varies by more than 300 percent across major US metro areas.
Sharing housing can cut rent costs by 30 to 50 percent, significantly improving your financial flexibility. On a $50,000 salary, splitting $2,000 rent saves $12,000 per year compared to renting alone.
Rent % of Income = Monthly Rent ÷ Monthly Gross × 100
Affordable Rent (30% rule) = Monthly Gross × 30%
Salary Needed = Monthly Rent × 40
Every formula on this page traces to a federal agency, central bank, or peer-reviewed institution. We cite the rule-makers, not secondhand blogs.
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Calculations are for educational purposes only. Consult a qualified financial advisor for personalized advice.