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Both calculators run independently β€” change the inputs on either side to compare results.

Mortgage Advanced

Mortgage Extra Payment Calculator

See exactly how much interest you save and how many years you shave off your mortgage by making extra principal payments each month. Ideal for homeowners who want to pay off their loan faster.

Fill in the required fields to see your result.
Mortgage Advanced

Interest-Only Mortgage Calculator

Calculate your monthly payment during the interest-only phase of a mortgage and see how payments jump when full amortization begins. Ideal for borrowers evaluating IO loans or planning cash flow around the reset.

Fill in the required fields to see your result.

Key differences

Mortgage Extra Payment CalculatorInterest-Only Mortgage Calculator
CategoryMortgage AdvancedMortgage Advanced
Inputs required55
ResultInterest Savings ($)Payment After Interest-Only Period ($)
What it doesSee exactly how much interest you save and how many years you shave off your mortgage by making extra principal payments each month. Ideal for homeowners who want to pay off their loan faster.Calculate your monthly payment during the interest-only phase of a mortgage and see how payments jump when full amortization begins. Ideal for borrowers evaluating IO loans or planning cash flow around the reset.