PlainFigure

Mortgage Income Calculator

Estimate the gross income needed for a target house price or monthly mortgage payment after taxes, insurance, HOA dues, mortgage insurance, existing debts, and DTI limits.

Updated May 20, 2026

Use this when the question is not "How much house can I afford?" but "How much income would this house or payment require?" Results are estimates for planning, not a loan approval.

Inputs stay in your browser Front-end and back-end DTI shown separately Payment override available

Home and loan target

Use 10 for 10% when percent mode is selected.

Optional. If entered, income is based on this payment instead of the calculated housing payment.

Ownership costs and debts

DTI targets and optional income check

Required gross annual income
$0

Monthly income needed$0
Binding constraint-
Front-end income$0
Back-end income$0

Payment breakdown

DTI at your income

Plain-English recommendation

Methodology

The calculator first estimates principal and interest from the purchase price, down payment, interest rate, and term. It adds monthly property taxes, homeowners insurance, HOA dues, and mortgage insurance when the estimated LTV is above the cutoff.

If you enter a desired monthly payment, that payment becomes the housing payment used for income requirements. Otherwise, the calculated housing payment is used. Front-end required income equals housing payment divided by the front-end DTI target. Back-end required income equals housing payment plus non-housing debts divided by the back-end DTI target. The higher number is the binding estimate.

Important caveats

Related calculators

Frequently asked questions

What income number should I compare this with?

Compare it with stable gross income a lender is likely to document, then separately check whether the after-tax payment fits your household budget.

Why does existing debt raise the required income?

Back-end DTI includes housing plus other monthly debt payments. Credit cards, auto loans, student loans, personal loans, and other recurring debts reduce the housing payment that fits a target back-end DTI.

Can I use only a target monthly payment?

Yes. Leave purchase price at zero and enter a desired monthly payment. The calculator will estimate the income needed for that housing payment and your non-housing debts.

Does a higher income guarantee approval?

No. Lenders also review credit, assets, reserves, documentation, loan program limits, property eligibility, appraisal results, and their own overlays.