Rent Calculator
Compare monthly rent and other housing costs with gross income and read the rent-to-income ratio.
Press Calculate
Keep going
- Rent vs Buy CalculatorEnding wealth, not a slogan about throwing money away.
- Budget CalculatorIncome minus the jobs you gave the money.
- House Affordability CalculatorA price that fits income and the debts you already have.
From the blog
How this result is built
Compare monthly rent and other housing costs with gross income and read the rent-to-income ratio.
Rent decisions fail when the listed rent is the only number in the conversation. Insurance, parking, and utilities that the lease pushes onto you belong in the same ratio. This page adds them before it divides by income.
What the opening example is for
Thirty percent of gross income is a widely repeated checkpoint, not a law. A lower ratio leaves more room for debt and savings. A higher one can still work when the rest of the budget is quiet.
The walkthrough below uses the numbers already sitting in Rent Calculator. Press Calculate and the headline should match this page. Then put your own figures in. The math does not run until you press the button, and Clear hides the result.
What each field is doing
The “Monthly rent” line on Rent Calculator starts at $1,800.00. If the label is a rate, type the annual figure the contract uses. If it is money, type the amount that will actually move, not a rounded hope.
Rent Calculator treats “Other monthly housing costs” as its own entry, and the form opens with $150.00. Renters insurance, parking, or required utilities. Leave that figure only when it matches the statement, the quote, or the plan you are testing. Press Calculate after the edit so the chart and the schedule move with it.
Before you replace it, “Gross monthly income” reads $6,500.00 on Rent Calculator. A round example is useful for learning the page. It is a poor substitute for the number on your own paperwork, so replace it and run the form again.
The opening result, line by line
Press Calculate on the opening form and Rent-to-income ratio is 30.00%. That is the number the rest of this section is talking about.
Rent is $1,800.00 when you run the opening figures on Rent Calculator. That line is part of the same calculation as the headline. It is not a second balance you can spend on top of the result. Change one input and press Calculate if you want to see whether this line moves.
On this opening pass, other housing costs is $150.00. That line is part of the same calculation as the headline. It is not a second balance you can spend on top of the result. Change one input and press Calculate if you want to see whether this line moves.
Rent Calculator reports that income left after housing is $4,550.00. That line is part of the same calculation as the headline. It is not a second balance you can spend on top of the result. Change one input and press Calculate if you want to see whether this line moves.
How those lines were produced
Annual rent is $21,600.00 when you run the opening figures on Rent Calculator. That line is part of the same calculation as the headline. It is not a second balance you can spend on top of the result. Change one input and press Calculate if you want to see whether this line moves.
Housing is at or under the often-cited 30% of gross income.
A second pass changes only “Monthly rent”, from $1,800.00 to $1,980.00. Rent-to-income ratio moves from 30.00% to 32.77%. Nothing else on the form was edited, so the gap between those two results is the effect of that one field on Rent Calculator. If the gap is tiny, this page is not very sensitive to that entry. If the gap is large, get that entry from a document before you plan around the result.
What this page will not claim
Rent Calculator does not know your credit score, the county’s tax bill, or what an appraiser will say. Type the price, the loan, and the escrow you were quoted. Compare the payment with the loan estimate, and treat a small rounding difference as normal.
Rent Calculator stops at its own formula. When the next question is different, open Rent vs Buy Calculator (Ending wealth, not a slogan about throwing money away.); Budget Calculator (Income minus the jobs you gave the money.); House Affordability Calculator (A price that fits income and the debts you already have.). Do not add those results to this one as if they were the same kind of dollar.
Check the result before you use it
Start on Rent Calculator by reading the labels, not the headline. The opening labels are Monthly rent ($1,800.00), Other monthly housing costs ($150.00), Gross monthly income ($6,500.00). If a label is not the fact you have, the result cannot turn into that fact later. The illustration on the form lands on 30.00%. When you press Calculate and see that same figure, the button and this explanation are using one formula.
Change one field at a time. Write down the headline, edit a single line, and press Calculate again. A large jump means that line carries the result. A line that does not move is a line the formula ignores, which is a reason to confirm you opened the right page. Rent Calculator is built for one job: Rent as a share of monthly income. The description on the page says the same thing in a sentence: Compare monthly rent and other housing costs with gross income and read the rent-to-income ratio.
When the paperwork disagrees
Then hold the headline next to a source outside the site. That source might be a loan estimate, an account statement, a pay stub, or the public limit named in the methodology. A few cents of difference on a long schedule is ordinary rounding. A different rate, a fee you never typed, or a tax the form does not ask for is not rounding. Correct the input. Do not average the page with the paperwork.
When the outside source still disagrees, Rent Calculator has reached the edge of what it will claim. It will not phone a lender, pull a county record, or apply a credit you left blank. Send the calculator name, every input, and the result you expected through the contact page if you think the formula itself is wrong. Until that is settled, read 30.00% as the output of the fields above and nothing else.
FAQs
Should I use take-home pay?
The traditional ratio uses gross income. If you want a stricter personal rule, enter take-home pay instead and read the ratio with that in mind.
What do the opening figures on Rent Calculator assume?
They are a worked example, not your account. Monthly rent starts at $1,800.00. Other monthly housing costs starts at $150.00. Gross monthly income starts at $6,500.00. Press Calculate and you should see rent-to-income ratio of 30.00%. Replace every line with your own figures before you act on it.
What happens if I change Monthly rent?
Monthly rent is one of the drivers on Rent Calculator. Change it, leave the other fields alone, and press Calculate. The headline and the lines under it move only to the extent the formula uses that field. Clear removes the result so the next set does not sit beside a stale one.
How is this different from the Rent vs Buy page?
Rent Calculator answers the question in its own fields: Rent as a share of monthly income. The Rent vs Buy Calculator page is for a different question: Ending wealth, not a slogan about throwing money away. Run both only when you need both answers, and do not add the headlines together.
Is anything I type sent to a server?
No. Rent Calculator computes in the browser after you press Calculate. The desk does not keep a copy of the balance, the income, or the rate you typed. Still, do not put an account number or a password into a money field.
This page is educational. It is not a lender’s quote, a tax filing, or personal financial advice. The methodology explains the formulas and the disclaimer explains the limit.