◈ FINANCE Updated July 25, 2026

Loan Affordability Calculator

Start from what you can safely repay, not what a lender will offer.

Gross monthly income
Existing monthly debts
Interest rate (%)
Term (years)
Max debt-to-income (%)
Down payment
Result
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How it works

Your maximum payment is gross income times the debt-to-income limit minus existing debt payments. Reversing the amortisation formula turns that payment into a loan amount, and adding the deposit gives the purchase price.

Related tools

◨Compound Interest Calculator◈Loan Calculator◫Profit Margin Calculator

Frequently asked questions

Why 36% debt-to-income?

It is the common conservative underwriting limit for total debt payments; many lenders stretch to 43%, which leaves far less slack.

Does this include taxes and insurance?

No. Reduce the affordable payment by your expected property tax, insurance and any association fees.

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