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Can you actually afford your first apartment?
Add up what you really have coming in each month — paychecks, financial aid, help from family — and see how the rent stacks up against the 30% guideline. Then see the cash you’ll need before you get the keys.
Rent-to-income
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Where you land against the guideline
The monthly math
Cash you’ll need before move-in
The costs first-time renters forget. Amounts are starting estimates: edit them to match the listing, and untick anything that doesn’t apply.
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Often one month’s rent, sometimes more. Many states cap it and set a deadline for returning it after you move out.
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Almost always due at or before lease signing. If you move in mid-month, the first payment may be prorated.
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Only if the landlord asks for it. Not all do, and some states count prepaid last month toward the deposit limit. Tick it if your listing mentions “first and last.”
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A rough placeholder. Usually charged per adult applicant and usually non-refundable, so applying to several places multiplies it. Some states cap it.
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Many leases require proof before move-in. The national average renters policy was $173/year in the latest NAIC data (2023), about $14/month. Enter the full year if you’ll pay it upfront.
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Utilities may ask new customers with little or no credit history for a deposit, and internet providers may charge installation or equipment fees.
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A truck or gas, plus the things a dorm came with: bed, desk, shower curtain, cookware, cleaning supplies.
Worth knowing
This is a general estimate for planning, not financial advice. The 30% figure is a widely used affordability guideline, not a rule landlords or lenders must follow, and landlords set their own income requirements. Move-in amounts are editable starting points: confirm the real fees and deposit with the landlord, and check your state’s rules on deposit limits.
How this calculator works
It adds up every dollar you can count on each month, then shows what share of that goes to rent — and to rent plus utilities, if you enter them.
Rent-to-income = rent ÷ monthly income
Max rent at 30% = monthly income × 0.30 − utilities
Financial aid gets special treatment because it arrives in lumps, usually a refund at the start of each semester, while rent is due every month of a 12-month lease. Spreading it across twelve months shows what it can really cover. If your aid only arrives in August and January, you’ll also need to hold some of it back rather than spend it in the first few weeks.
The move-in checklist is separate from the monthly math on purpose: it’s the one-time cash you need before your first normal month begins, and it’s the part that catches most first-time renters off guard.
Common questions
What is the 30% rule for rent?
It’s the guideline that your housing costs should take no more than 30% of your gross monthly income. It comes from the federal standard HUD uses: households spending more than 30% of income on housing are considered cost-burdened, and those spending more than 50% are severely cost-burdened.
Plenty of renters are over it. The Census Bureau reported that 49.7% of U.S. renter households were cost-burdened in 2023. Going over 30% isn’t forbidden, but it leaves less room for food, books, transportation and emergencies.
Source: U.S. Census Bureau, “Nearly Half of Renter Households Are Cost-Burdened,” September 12, 2024 (2023 American Community Survey data).
Should I use gross pay or take-home pay?
The 30% guideline and most landlord income checks use gross (before-tax) income, so this calculator is built around gross. But you pay rent from take-home pay. If you want a more conservative check, enter your take-home pay instead. If the rent still fits under 30%, you have real breathing room.
Can I count financial aid or money from my parents as income?
For your own budget, yes: if the money reliably pays your bills, count it. Landlords are a different question. Some accept financial aid award letters, bank statements or a letter of support; others only count paychecks.
If your own income doesn’t meet a landlord’s requirement, the usual answer is a guarantor (often a parent) who signs to cover the rent if you don’t pay. Ask the landlord what documents they accept before you pay an application fee.
How much money do I need to move into my first apartment?
At minimum, plan for the first month’s rent plus a security deposit. Those two alone usually add up to about two months of rent. On top of that come application fees, possibly last month’s rent, renter’s insurance, utility deposits and basic furniture.
The checklist in the calculator above totals these for your rent, and you can edit each line to match the listing you’re looking at.
How much income do landlords want compared to rent?
A common screening rule is that gross monthly income should be about three times the monthly rent (roughly the 30% guideline turned around), but it isn’t a law. Each landlord or property manager sets their own requirement, and some are stricter, especially in expensive markets.
Also ask whether they measure your share of the rent or the whole unit’s rent. Some landlords require every roommate to qualify on the full rent, which is when a guarantor becomes necessary.
Is renter’s insurance required?
No state law generally requires it, but your lease can. Many landlords make proof of a renters policy a condition of move-in. Either way, it’s usually one of the cheapest bills you’ll have: the NAIC’s latest report puts the national average renters (HO-4) premium at $173 a year for 2023.
Source: NAIC, Dwelling Fire, Homeowners Owner-Occupied, and Homeowners Tenant and Condominium/Cooperative Unit Owners Insurance Report: Data for 2023, Table 5.