Key Moments
The 30% Rent Rule
Spend no more than 30% of gross monthly income on rent as a standard guideline.Impact of Debt on Rent Affordability
Incorporate your monthly debts to adjust your maximum affordable rent below the 30% benchmark.Landlord Income Requirements
Most landlords require gross income at least three times the rent to approve your application.Additional Housing Costs
Consider utilities, insurance, and upfront deposits beyond monthly rent in your budget planning.Before you tour a single apartment, it helps to know your ceiling. Sign a lease that’s too expensive and rent quietly eats the budget you need for savings, debt, and everything else. The calculator below turns your income into three clear numbers: a conservative target, the widely-used 30% recommendation, and the maximum most landlords will approve you for.
Enter your gross (pre-tax) income and any monthly debt payments to see where you stand.
How Much Rent Can You Afford?
Enter your income and debts to see a conservative, recommended, and maximum monthly rent.
Recommended max rent
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The 30% rule, explained
The most common guideline says you should spend no more than 30% of your gross monthly income on rent. On a $5,000-a-month salary, that's $1,500. The rule is popular because it's simple and it roughly leaves enough room for the rest of your budget — food, transportation, savings, and debt. It's a starting point, not a law, but it's the number most budgeting advice and many landlords lean on.
The calculator also shows a conservative 25% target. If you're building savings, paying down debt, or live somewhere with high utility or commuting costs, aiming for 25% gives you noticeably more breathing room month to month.
Why your debts change the answer
The 30% rule ignores everything else you owe. That's why the calculator includes a debt-adjusted maximum. Lenders and careful budgeters use a total debt-to-income (DTI) ceiling of around 36% — meaning your rent plus car payments, student loans, and minimum credit card payments should stay under 36% of gross income. If you already spend a big share of your income servicing debt, your realistic rent ceiling drops below the flat 30% figure. When that happens, the calculator flags it and points you to the lower number.
What landlords actually require
Affording rent and qualifying for it are two different tests. Most landlords want your gross monthly income to be at least three times the rent (some ask for 2.5×, stricter markets ask for more). That's why the calculator's "landlords may approve up to" line is higher than the 30% recommendation — a landlord's 3× rule technically clears you for about a third of your income, even if spending that much isn't comfortable. Just because you can be approved for it doesn't mean it's the smart number to sign for. If you're new to the process, our guide on how to rent an apartment walks through income proof, applications, and approval.
Don't forget the costs beyond rent
Rent is only part of your monthly housing cost. Before you commit, factor in utilities, renters insurance, parking, and any pet rent. There are also upfront costs — first month, last month, and a security deposit can mean handing over two to three times the monthly rent just to move in. Our first apartment checklist lays out everything to budget for.
Renting versus buying
If your affordable rent feels high for what you'd get, it's worth running the ownership math too. The right answer depends on how long you'll stay, local prices, and your savings — our renting vs. buying guide helps you compare honestly rather than by gut feel.
What different incomes can afford
To make the numbers concrete, here's how the 30% rule plays out at a few income levels. Someone earning $3,500 a month can comfortably target around $1,050 in rent; at $5,000 a month, roughly $1,500; and at $7,500 a month, about $2,250. Each of those assumes minimal debt — carry a car payment and student loans and the debt-adjusted ceiling in the calculator will pull the realistic number down. That's exactly why two people with identical salaries can afford very different rents, and why plugging in your own debts matters more than memorizing a single percentage.
How to strengthen a weak application
If your income sits just below a landlord's 3× requirement, you still have options. Offering a larger deposit, showing several months of bank statements, or bringing on a co-signer can each tip an application over the line. Renting with roommates changes the math entirely, since each person only needs to qualify for their share — just be sure to sort expectations up front using our questions to ask a potential roommate, and understand how adding a roommate to a lease works before you sign together.
Frequently asked questions
Should I use gross or net income to calculate rent?
The 30% rule is based on gross (pre-tax) income, which is what landlords use to qualify you. But your comfort is driven by take-home pay, so if taxes and deductions take a large bite, lean toward the conservative 25% target.
Is the 30% rule still realistic?
In expensive cities, many renters spend well above 30% and are considered "rent-burdened." The rule is a healthy target, not a guarantee you'll find something at that price. Use it to judge trade-offs, not to rule out a market entirely.
How much income do I need to rent an apartment?
Most landlords require gross monthly income of at least three times the rent. For a $1,500 apartment, that's about $4,500 a month, or $54,000 a year.
Does the calculator account for roommates?
Enter only your own income and your share of any debts, then compare the result to your share of the rent. Each roommate can run their own numbers.
