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Home CalculatorsDebt-to-Income Calculator

Debt-to-Income Calculator with clear assumptions.

Measure how much of gross monthly income is already committed before applying for new credit.

How the estimate works

Front-end DTI divides housing costs by gross income. Back-end DTI divides housing plus recurring debt payments by gross income.

Important limitation

Lenders define qualifying income and debt differently. This is not an approval estimate. Results are estimates only and are not financial, lending, legal, tax, or investment advice.

Assumptions and review

Formula review: July 29, 2026. This tool uses only the editable values shown above and does not pull live rates, prices, balances, or account data.

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Frequently asked questions

How does the debt-to-income calculator work?

Front-end DTI divides housing costs by gross income. Back-end DTI divides housing plus recurring debt payments by gross income.

Is this debt-to-income calculator exact?

No. It is a planning estimate based on the values you enter. Actual rates, fees, timing, taxes, and provider rules can change the result.

Can I change the assumptions?

Yes. Every displayed input is editable so you can compare scenarios instead of relying on a hidden default.