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Finance Calc Kit
Real estate

Rent Calculator

Calculate your maximum affordable monthly rent based on your income, monthly debt payments, and financial savings goals.

Your income and debts

$
$
%

Gross monthly income

$5,000.00

Estimated net take-home

$4,000.00

After 20% tax estimate

Maximum affordable rent

Conservative (25% rule)

$1,250.00 / mo

Highly secure
Recommended

Recommended (30% rule)

$1,500.00 / mo

Balanced budget

Aggressive (35% rule)

$1,750.00 / mo

Tight budget

Monthly budget distribution (30% rent rule)

  • Rent payment$1,500.0030%
  • Taxes and deductions$1,000.0020%
  • Monthly debts$400.008.0%
  • Living and savings$2,100.0042.0%
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How the rent calculator works

This calculator turns your gross income into three rent ceilings: conservative (25%), recommended (30%), and aggressive (35%). It also estimates net take-home after a flat tax rate and shows how rent, taxes, and debt fit into your monthly budget. All math runs in your browser.

For a debt-adjusted cap, try the rent affordability calculator. Landlords often use the three-times-rent rule from the 3x rent calculator. When comparing leases with concessions, use the net effective rent calculator.

Rent-to-income formulas

Convert annual income to monthly gross, then estimate net take-home:

Monthly Gross=Annual Income12,Monthly Net=Monthly Gross×(1−Tax Rate100)\text{Monthly Gross} = \frac{\text{Annual Income}}{12}, \quad \text{Monthly Net} = \text{Monthly Gross} \times \left(1 - \frac{\text{Tax Rate}}{100}\right)

Affordable rent limits are percentages of gross monthly income:

Recommended Rent=Monthly Gross×0.30\text{Recommended Rent} = \text{Monthly Gross} \times 0.30

Conservative and aggressive caps use 25% and 35% of gross income respectively.

Worked example: $60,000 annual income, 20% tax rate

  1. Monthly gross: $60,000 / 12 = $5,000
  2. Monthly net: $5,000 x (1 - 20%) = $4,000
  3. Recommended rent (30%): $5,000 x 30% = $1,500
  4. Conservative rent (25%): $1,250
  5. Aggressive rent (35%): $1,750

The tax rate is a planning shortcut, not a paycheck calculation. Pair these caps with the rent affordability calculator if you carry significant monthly debt.

Frequently asked questions

What rent-to-income ratio should I use?
30% of gross monthly income is the most common benchmark. Use 25% if you want extra cushion for savings and emergencies, or 35% only with low debt and stable income.
Why show gross and net income?
Landlords and affordability rules typically use gross income. Net take-home helps you see whether the recommended rent still leaves enough cash after taxes.
Does monthly debt change the rent caps?
This calculator shows debt in the budget chart but keeps rent caps based on gross income. For a debt-adjusted limit, use the rent affordability calculator.
Is 30% the same as the 3x rent rule?
Yes. Requiring income of three times monthly rent means rent is at most one-third of gross income, which is 33.3%. The 30% rule is slightly more conservative.
Are the results stored?
No. Changing the fields only updates the page URL so you can copy and share your inputs.

Resources and references

The formulas and methods in this calculator were checked against these independent sources.