Mortgage Amortization Calculator
Result
Mortgage Amortization Calculator — free online calculator.
Formula
- Mortgage amortization calculator. This page documents the mathematical loan model used for the estimate and provides an educational example.
- The main inputs are Home price, Down payment, Annual interest rate, Loan term. Enter them in the units and format shown in the calculator.
- Use monetary amounts, rates and time periods exactly as labeled; the result reflects the assumptions entered on this page.
- Changing any input above recalculates the result with the same calculation engine used by this page.
Example: Mortgage Amortization
- Home price: 300000
- Down payment: 60000
- Annual interest rate: 6 %
- Loan term: 30 years
Each payment shifts from more interest toward more principal as the balance declines on a standard fixed-rate amortizing loan.
Sample result: Calculating…
Frequently asked questions
What does the Mortgage Amortization calculate?
Taxes, insurance, fees, and extra payments are separate from the core amortization schedule.
Which values should I enter?
Enter Home price, Down payment, Annual interest rate, Loan term using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: Interest = Previous balance × Periodic rate; Principal = Payment − Interest; New balance = Previous balance − Principal.
Why might my result differ from another source?
Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.
Does the result update automatically?
Yes. Changing an input updates the result using the same calculation engine shown on this page.