Mortgage Penalty Calculator
Mortgage Penalty Calculator is a financial calculator that helps you estimate a mortgage prepayment penalty using the months-of-interest or percentage-of-balance method. The formula used is: Penalty = max( Balance × monthly rate × penalty months, Balance × penalty % ). Enter monetary values in your local currency and interest rates as plain numbers (e.g. 5 for 5%).
Rates and fees change frequently. Always confirm the current figures
with the official authority before relying on this result.
Formula
Penalty = max( Balance × monthly rate × penalty months, Balance × penalty % )
- Formula: Penalty = max( Balance × monthly rate × penalty months, Balance × penalty % )
- 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.
- Penalty rules vary by lender and contract; this is an estimate only.
Example Calculation
Enter your values and the calculator applies the formula (Penalty = max( Balance × monthly rate × penalty months, Balance × penalty % )) and shows the results below. Change any input to update the result instantly.
Frequently asked questions
What is the Mortgage Penalty?
The Mortgage Penalty Calculator helps you estimate a mortgage prepayment penalty using the months-of-interest or percentage-of-balance method. 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 estimate a mortgage prepayment penalty using the months-of-interest or percentage-of-balance method.
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 (Penalty = max( Balance × monthly rate × penalty months, Balance × penalty % )) and work through the numbers step by step. If your result differs, re-check units and rounding first.