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Rent Calculator

Calculate how much rent you can afford based on your income and expenses.

⚡ Instant results🔒 Private — runs locally🆓 Free forever🚫 No signup

Rent Calculator

Calculate how much rent you can afford based on your income and expenses.

⚡ Instant🔒 Private🆓 Free🚫 No signupFinancially accurate
$
$
%
years
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Property Purchase Formula

Loan = Price – Down Payment M = Loan × [r(1+r)ⁿ] ÷ [(1+r)ⁿ – 1]
Price = Property purchase price
Down Payment = Upfront cash payment
Loan = Amount financed
M = Monthly mortgage payment
r = Monthly rate, n = Total payments

ℹ️ Does not include property tax, homeowner's insurance, maintenance, or HOA fees

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Disclaimer

Results provided by this calculator are for informational and educational purposes only. They are based on the values you enter and standard formulas, and should not be considered financial, medical, legal, or professional advice. Always consult a qualified professional before making important decisions based on these results. Roughtools makes no warranties regarding the accuracy or completeness of these calculations for your specific situation.

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Frequently Asked Questions

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Pro Tips

1

Always verify critical calculations with a second method or source — for important decisions, this tool provides a starting point, not a final answer.

2

Input accuracy determines output accuracy. Use precise values rather than rough estimates for the most useful results.

3

Run the calculation multiple times with slightly different inputs to understand the sensitivity of the result to your assumptions.

4

For professional, financial, medical, or legal decisions, always confirm results with a qualified professional before acting.

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When to Use This Calculator

📊Quick calculations

Use the Rent Calculator for fast, accurate calculations without installing any software.

🎓Learning and education

Understand the formula and see how changing inputs affects the result for educational purposes.

💼Professional estimates

Get a quick estimate before performing more detailed analysis or consulting a professional.

📱On the go

Accessible from any device — no app to install, no account required, works offline after loading.

🔄Scenario comparison

Run multiple scenarios quickly by changing one input at a time to understand sensitivities.

About the Rent Calculator

This rent calculator determines how much rent you can comfortably afford based on your gross or net income, using the traditional 30% rule and alternative budgeting guidelines. Enter your annual or monthly income (and any other monthly obligations) to see your recommended maximum rent and how different rent amounts affect your remaining budget. Built for apartment hunters, recent graduates, and anyone making a housing decision.

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How to Use the Rent Calculator

  1. 1

    Enter your annual gross salary or monthly take-home pay.

  2. 2

    Enter any other monthly debt obligations (student loans, car payment).

  3. 3

    Enter your monthly non-housing expenses (food, transport, utilities).

  4. 4

    See your recommended maximum rent under the 30% rule and 50/30/20 rule.

  5. 5

    Enter a specific rent amount to see what percentage of income it represents.

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Your input is processed locally in your browser and is never stored, transmitted, or shared with any server. See our Privacy Policy.

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