The standard affordability guideline caps rent at 30% of gross income. This calculator applies that rule to your income and a target rent, then benchmarks the result against Kansas City’s median 1-BR of about $1,100. You’ll see your affordable ceiling, your rent-to-income ratio, and a clear verdict — affordable, stretch, or over budget.
How it works
The calculation converts income to monthly, applies the 30% cap, and computes the ratio:
monthlyIncome = annualIncome / 12 (or monthly as entered)
affordableRent = monthlyIncome * 0.30
ratio = targetRent / monthlyIncome * 100
ratio <= 30 -> affordable
ratio <= 35 -> stretch
ratio > 35 -> over budget
It also compares your target rent to the $1,100 Kansas City median so you can see whether you’re aiming above or below typical local pricing.
Notes and example
On a $50,000 salary, monthly income is about $4,167, so the 30% ceiling is roughly $1,250 — above the $1,100 median, meaning a typical KC 1-BR is affordable. Push the rent to $1,600 and the ratio climbs to about 38%, landing in over-budget territory. The 30% rule is a guideline, not a hard limit; low debt makes higher ratios workable. Everything runs locally; nothing is uploaded.