Rent Calculator

Find the rent you can afford from yearly income using the 30 percent rule.

Finance and MoneyUpdated 2026-10-292 min read
Rent Calculator
Max rent
...
Annual rent...
Leftover monthly...

What it does

Rent is usually the largest single line in a household budget, so knowing what fits before you sign a lease matters. The common planning rule holds rent at no more than 30 percent of gross income.

The tool above turns your yearly income into a safe monthly rent ceiling, plus the yearly rent total and the cash left after rent each month. Enter your gross income before tax and read the result.

Thirty percent is a ceiling, not a target. Debts and savings shrink what fits, and landlords screen with income-to-rent ratios alongside credit and history.

Hot rental markets push many households past 30 percent, while calm markets let you aim near 25 percent. The math stays the same either way.

How to use

  1. Enter your gross yearly income before tax.
  2. Read the max monthly rent first: 30 percent of income divided by 12.
  3. Read annual rent to see the yearly housing cost at that ceiling.
  4. Read leftover monthly to see what remains after rent for all other costs.
  5. Change the income to test a smaller or larger budget.

Formula

Max monthly rent = yearly income x 0.30 / 12. Annual rent = max monthly rent x 12. Leftover = (yearly income / 12) - max monthly rent.
yearly income
Gross pay before tax, in dollars per year.
max monthly rent
Ceiling rent payment in dollars per month.
annual rent
Total rent paid in a year at the ceiling.
leftover
Monthly income after rent, in dollars.

The tool uses gross income, not take home pay. Taxes, insurance, and retirement contributions come out before rent, so your real room for rent is smaller than the gross number suggests.

Worked example

Example: $60,000 yearly income

Yearly gross income 60,000, 30 percent rent rule.

  1. Monthly income: 60,000 / 12 = $5,000.00.
  2. Max rent: 5,000 x 0.30 = $1,500.00 per month.
  3. Annual rent: 1,500 x 12 = $18,000.00 per year.
  4. Leftover: 5,000 - 1,500 = $3,500.00 per month.
  5. Tool shows max rent $1,500.00/mo, annual rent $18,000.00/yr, leftover $3,500.00/mo.

Reference table

Rent ceiling by yearly income at 30 percent
Yearly incomeMax monthly rentAnnual rent
$30,000$750.00$9,000.00
$45,000$1,125.00$13,500.00
$60,000$1,500.00$18,000.00
$75,000$1,875.00$22,500.00
$90,000$2,250.00$27,000.00

Limits

  • The 30 percent rule is a planning guide, not a legal limit or a guarantee.
  • Gross income is used; taxes and deductions lower what you actually receive.
  • Debts such as student loans and car payments shrink the rent that fits.
  • Local rental markets can force higher shares or make lower shares easy.

Common mistakes

  • Using take home pay instead of gross income, which overstates what fits.
  • Forgetting utilities, renter's insurance, and parking that sit outside rent.
  • Ignoring debts that compete with rent for the same income.
  • Treating the ceiling as a target rather than an upper limit.
  • Not checking lease rules and local price levels before applying.

Try it yourself

Quick checks. Answers sit tucked under each question.

$40,000 income, what max rent?

$1,000.00 per month (40,000 x 0.3 / 12).

$90,000 income, annual rent at ceiling?

$27,000.00 per year.

$30,000 income, leftover after rent?

$1,750.00 per month (2,500.00 - 750.00).

Questions

What is the 30 percent rent rule?

Spend no more than 30 percent of gross yearly income on rent. On $60,000 that is $1,500.00 a month.

Does 30 percent include utilities?

No. The rule covers base rent only; utilities, insurance, and parking are extra.

Should I use gross or net income?

Gross income before tax, since the rule is framed on gross pay.

Can I afford more than 30 percent?

Some do in expensive markets, but it leaves less for savings, debt, and emergencies. Treat 30 percent as a ceiling.

Do landlords use this rule?

Many screen with income-to-rent ratios near 30 percent, though each landlord sets their own standard.

Is this a guarantee of approval?

No. Credit, history, and deposits also affect rental applications.

Sources

How this page was checked. The formula above was matched against the cited sources, and the worked example was run through the tool on this page before publishing. If you spot an error, contact us so we can fix it and note the correction.