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LOANS / PAYMENT CEILING

Loan Affordability Calculator

Convert a monthly payment ceiling into an estimated fixed-rate loan principal and add a known down payment to show a simple purchase budget.

  • 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

The affordable principal is the present value of the selected monthly payment stream at the entered rate, then the down payment is added separately.

Calculation path

Affordable principal is the present value of the selected monthly payment over the term.

What you provide

What you provide

  • Monthly payment ceiling: Maximum loan payment that fits your own budget.
  • Expected annual rate: Reducing-balance rate used to discount the payment stream.
  • Repayment term: Whole years over which the payment would be made.
  • Available down payment: Cash added to the estimated financed amount.

What you receive

What you receive

  • Estimated affordable principal
  • Simple purchase budget including down payment
  • Total scheduled payment amount

Use boundary

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

This is not lender eligibility and excludes taxes, fees, insurance, maintenance, other debts, income verification, and affordability policy.

This is an educational planning estimate. Confirm lender, issuer, tax, accounting, and contractual rules with the relevant provider or qualified adviser before acting.