Rent Affordability Calculator
Estimate a rent target from your income and debt before you apply, then compare it with the rent and other costs you can actually manage.
- 2026 figures, checked October 26, 2026
- Private: runs in your browser
- How we check our work
Result
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Verify before you act: review these results with a licensed loan officer, real estate attorney or HUD-approved housing counselor before making any decision based on them.
Suggestions for your numbers
Updated as you type, from your inputs only. General information, not personal advice; confirm any change with a qualified professional.
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What is rent affordability?
A rent affordability calculator estimates how much rent fits your income. This rent calculator uses your gross yearly income and the share of that income you want to spend on rent. It also compares your estimate with common landlord screening methods.
Gross income is your pay before taxes and other deductions. Your take-home pay is what reaches your bank account. Since rent is paid from take-home pay, a rent target based on gross income may leave less room for food, utilities, savings, and other bills than the result first suggests.
Why rent affordability matters
A rent estimate helps you set a housing budget before you tour apartments or submit an application. It can also help you compare a higher-rent home with the other costs and tradeoffs that come with it.
The calculator shows different ways of looking at the same decision. The 30% approach applies your chosen share to gross monthly income. The 40x rule checks whether gross yearly income is at least 40 times the monthly rent, a screening method many landlords use. A debt-adjusted result accounts for existing monthly debt payments, but it is not a guarantee that a landlord will approve your application or that the rent will feel comfortable.
Use the result as a starting point, not as a spending target. Your actual budget may also need to cover utilities, renters insurance, parking, fees, savings, and costs that change from month to month. If the rent works only when you ignore those costs, look for a less expensive option or adjust another part of your budget.
How to use this rent affordability calculator
- Enter your gross yearly income before taxes and deductions. If your income varies, use a careful estimate rather than assuming every month will be a strong one.
- Enter the share of income you want to use for rent. The sample uses 30%. You can change this input to see how a more cautious or more flexible rent target affects the result.
- Enter your other monthly debt payments, such as required loan or credit-card payments. Use the monthly amount you are responsible for paying.
- Review the rent estimate alongside the 40x rule and debt-adjusted result. Compare each with the actual rent, required fees, and your take-home-pay budget before deciding what you can afford.
Rent affordability calculator example
Worked example
With gross yearly income of $65,000, a rent share of 30%, and other monthly debt payments of $300, the calculator shows gross monthly income of $5,417. Rent at 30% of income is $1,625, and rent at your 30% is also $1,625. The maximum under the 40x rule is $1,625. The maximum rent with debts at 43% total is $2,029. The 30% calculation is $5,417 multiplied by 30%; the 40x check divides yearly income by 40. The debt-adjusted figure can be higher because it uses a different limit. Treat it as a comparison, not as a recommendation to spend more on rent.
How to read your rent affordability result
The main result is a monthly rent estimate based on the income share you entered. Gross monthly income converts your yearly income into a monthly figure. Rent at 30% of income applies the sample share, while rent at your 30% reflects the share entered in the calculator.
Max rent under the 40x rule is a landlord-style income screen. It estimates the rent that would make gross yearly income 40 times the monthly rent. Passing that screen does not mean the rent fits your personal budget or that a particular landlord will approve your application. Landlords may also consider other information when reviewing an application. Ask the landlord what requirements apply before you pay an application fee or make plans based on approval.
How to improve your rent affordability
- 01
Set your ceiling from take-home pay
List your recurring bills, savings contributions, and likely housing costs against your take-home pay. If the calculator's gross-income estimate leaves too little for those items, lower the rent share you enter and compare the new result.
- 02
Reduce monthly debt payments
If a loan or credit-card payment is limiting your budget, consider whether a lower-cost repayment plan or a different payment schedule is available. Compare any change in total cost before agreeing to new terms.
- 03
Compare the full cost of each home
Ask for details about utilities, parking, fees, and required insurance. A home with lower rent may still cost more overall if its other housing expenses are higher.
- 04
Broaden your search or adjust your move-in plan
Consider a smaller home, a different location, or sharing housing if that suits your circumstances. You can also ask whether the landlord offers a different lease term or move-in date that better fits your budget.
- 05
Strengthen income documentation
Gather accurate pay records and other requested proof of income before applying. If your income varies, ask the landlord which documents they accept rather than assuming how they will calculate it.
Common rent affordability mistakes
Treating gross income as spendable income
The calculator starts with income before taxes and deductions. Check the result against the amount you actually take home so the rent does not crowd out essential bills.
Assuming the highest result is the right budget
The 43% total-debt figure is a comparison based on the sample result, not a personal comfort test or a promise of approval. A lower rent may be a better fit if your other costs are substantial.
Forgetting housing costs beyond rent
Add utilities, insurance, fees, parking, and move-in costs to your own budget. The calculator's rent estimate does not include them.
Using income that is not dependable
Do not base a long lease on an unusually strong month or income you are not sure you will receive. Use a realistic estimate and leave room for changes.
The rent affordability formula
Affordable rent = gross monthly income x share. Many landlords require income of 40x the monthly rent.
Key terms
- Gross income
- Income before taxes and other payroll deductions.
- Take-home pay
- Income left after taxes and payroll deductions are taken out.
- 40x income rule
- A landlord screening method that compares gross yearly income with monthly rent multiplied by 40.
- Debt-adjusted rent
- A rent estimate that accounts for other monthly debt payments under the calculation shown by the calculator.
Rent affordability questions
Does the 30% rule mean I should spend exactly that share on rent?
No. It is a budgeting approach that applies a chosen share to gross income. Your taxes, debt, utilities, savings goals, and other expenses may support a lower rent target.
What does the 40x income rule mean?
It means gross yearly income is compared with monthly rent multiplied by 40. The calculator expresses that as a maximum rent estimate. Landlords can set their own screening requirements.
Why is my debt-adjusted result higher than my 30% result?
The results use different calculations. In the sample, the debt-adjusted figure uses 43% of gross monthly income for rent plus debt payments, then subtracts the $300 monthly debt payment. That calculation produces a higher rent figure than the 30% estimate, but it does not show what is comfortable for your household.
Does this calculator include utilities or move-in costs?
No. It estimates rent from income and debt inputs. Add utilities, insurance, fees, deposits, and moving costs separately when you plan your budget.
Before you act on this result. Cordwell calculators and guides are educational estimates, not legal, tax, investment, lending or other professional advice. They rely on the numbers you enter and on simplified rules, and they can't see your full situation. Before you file, sign, borrow, invest, hire, change your withholding or form a business based on anything here, meet with a licensed loan officer, real estate attorney or HUD-approved housing counselor who can review your specific facts and confirm the numbers. Rules change, and official agency guidance always controls.