Mortgage Prepayment Calculator
Mortgage Prepayment Calculator is a financial calculator that helps you see how a one-time lump-sum prepayment reduces your interest and loan term. The formula used is: New balance = Balance − Lump sum, keeping the same payment shortens the remaining term. Enter monetary values in your local currency and interest rates as plain numbers (e.g. 5 for 5%).
Formula
New balance = Balance − Lump sum, keeping the same payment shortens the remaining term
- Formula: New balance = Balance − Lump sum, keeping the same payment shortens the remaining term
- Enter monetary values in your local currency and interest rates as plain numbers (e.g. 5 for 5%).
- Assumes a fixed interest rate and equal periodic payments; taxes, insurance and fees are excluded unless stated.
Example Calculation
Enter your values and the calculator applies the formula (New balance = Balance − Lump sum, keeping the same payment shortens the remaining term) and shows the results below. Change any input to update the result instantly.
Frequently asked questions
What is the Mortgage Prepayment?
The Mortgage Prepayment Calculator helps you see how a one-time lump-sum prepayment reduces your interest and loan term. Enter monetary values in your local currency and interest rates as plain numbers (e.g. 5 for 5%).
When should I use this calculator?
Use this calculator whenever you need a quick, accurate result for see how a one-time lump-sum prepayment reduces your interest and loan term.
What should I enter?
Enter monetary values in your local currency and interest rates as plain numbers (e.g. 5 for 5%).
How accurate are the results?
Results are estimates based on the stated formula and assumptions. Verify against your own figures or an authoritative source before acting on them.
How can I verify the calculation manually?
Apply the formula (New balance = Balance − Lump sum, keeping the same payment shortens the remaining term) and work through the numbers step by step. If your result differs, re-check units and rounding first.