Do you store my numbers?

No. Each calculator runs locally.

Is this tax or lending advice?

No. Arithmetic with documented assumptions on each page.

Fintomat / Debt-to-Income Ratio Calculator

Finance · Calculators · Runs in your browser. Nothing is sent to a server.

Monthly debts divided by monthly income.

Monthly income $

Debts

Results appear here.

Type the problem — numbers, a formula, or the loan fields.

Press Calculate. The answer is computed on this page.

Use the explanation, chart or schedule to check the result.

Monthly debts divided by monthly income. Figures stay in this browser. Not professional advice.