Rent
Rent Affordability Calculator
How much rent can you afford? Uses the 30% rule and a 40× annual-income test, adjusted for your other debts.
Rent ≤ 30% of gross monthly income
Also called how much rent can i afford · rent budget
Personal Finance · 8 calculators
Rent Calculators
How much rent you can afford, splitting rent fairly between roommates, prorated rent and rent per square foot.
Rent
Rent Split Calculator
Split rent fairly between roommates — equally, by income or by custom percentages.
Share = rent × income ÷ total income
Also called split rent · rent split by income
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Annual Rent Calculator
Convert monthly rent to annual rent (and back), including a yearly increase over a multi-year lease.
Annual rent = monthly × 12
Also called monthly rent calculator · yearly rent
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Rent Increase Calculator
New rent after a percentage increase (or the % between old and new rent) and the extra cost per year.
New rent = rent × (1 + %)
Also called rent hike · rent raise
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Rent Per Square Foot Calculator
Monthly and annual rent per square foot (or m²) to compare apartments and office space objectively.
Monthly rent per unit area = Monthly rent…
Also called rent per sq ft · rent per square meter
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Prorated Rent Calculator
Prorated rent for a partial month when moving in or out mid-month, by actual days or a 30-day month.
Prorated = daily rate × days occupied
Also called partial month rent · prorate rent
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Roommate Rent Split Calculator
Split rent by bedroom size with shared common areas divided equally — fair when rooms differ in size.
Pays = common ÷ people + private × room ÷…
Also called split rent by room size · bedroom size rent split
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Rent-to-Income Ratio Calculator
Your rent-to-income ratio: monthly rent as a percentage of gross monthly income, with the 30% guideline.
Rent-to-income ratio = Monthly rent ÷ Gro…
Also called rent to income · rent vs salary
Key rent formulas
| Rent Affordability | Rent ≤ 30% of gross monthly income |
|---|---|
| Rent Split | Share = rent × income ÷ total income |
| Annual Rent | Annual rent = monthly × 12 |
| Rent Increase | New rent = rent × (1 + %) |
| Rent Per Square Foot | Monthly rent per unit area = Monthly rent ÷ Area |
| Prorated Rent | Prorated = daily rate × days occupied |
| Roommate Rent Split | Pays = common ÷ people + private × room ÷ total room area |
| Rent-to-Income Ratio | Rent-to-income ratio = Monthly rent ÷ Gross monthly income × 100 |