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HOUSING / FINANCE PLANNING

Mortgage Prequalification Calculator

Estimate a screening home-price ceiling from income, debts, down payment, rate, term, and a housing ratio.

  • 01 Calculated in this tab
  • 02 Values stay in this browser tab
  • 03 Use boundary

Conversion input

Known value

Filter by unit name, symbol, or code. Your current selections remain available.

Preparing the calculator...

Use boundary

Calculation path

Enter the values shown in the form. Nirmion evaluates the displayed formula in your browser and reports the result with supporting metrics.

Calculation path

Maximum housing payment = minimum(income x housing ratio, income x 43% - monthly debts).

What you provide

What you provide

  • Gross monthly income: Income before deductions used for the screening estimate.
  • Monthly debt payments: Existing required debt payments.
  • Down payment: Cash intended for the purchase price.
  • Annual interest rate: Illustrative mortgage rate.
  • Loan term: Repayment term in years.
  • Housing payment ratio: Maximum share of income assigned to housing payment.

What you receive

What you receive

  • A primary estimate
  • Supporting cost or ratio metrics
  • The formula, assumptions, and limitations used

Use boundary

Choose the maximum decimal places shown. This does not increase source accuracy.

This is a planning estimate, not a lending approval, tax opinion, valuation, or financial recommendation. Confirm current lender terms, local rules, fees, and professional advice before acting.

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