Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
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.
Mortgage Advanced
Extra Payment Mortgage Calculator
Find out how many years earlier you can pay off your mortgage and how much interest you save by adding a fixed extra amount to each monthly payment. Perfect for homeowners with discretionary income who want to build equity faster.
Fill in the required fields to see your result.
Key differences
| Interest-Only Mortgage Calculator | Extra Payment Mortgage Calculator | |
|---|---|---|
| Category | Mortgage Advanced | Mortgage Advanced |
| Inputs required | 5 | 4 |
| Result | Payment After Interest-Only Period ($) | Time to Pay Off (months) |
| What it does | 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. | Find out how many years earlier you can pay off your mortgage and how much interest you save by adding a fixed extra amount to each monthly payment. Perfect for homeowners with discretionary income who want to build equity faster. |