Mortgage Pre Payment Calculator

Our Mortgage Prepayment Calculator is a handy tool designed to help you estimate the total payment for your mortgage, taking into account prepayments. Whether you are planning to make additional payments or considering refinancing, this calculator provides quick and accurate results.

Formula: The calculator uses the following formula to calculate the total payment for a mortgage with prepayments:



  • P is the monthly payment.
  • L is the loan amount.
  • r is the monthly interest rate (annual rate divided by 12).
  • n is the total number of payments (loan term in years multiplied by 12).
  • t is time in years.

How to Use:

  1. Enter the loan amount.
  2. Enter the annual interest rate.
  3. Enter the loan term in years.
  4. Click the “Calculate” button to get the total mortgage payment with prepayments.

Example: Suppose you have a loan amount of $200,000, an annual interest rate of 5%, and a loan term of 30 years. After entering these values and clicking “Calculate,” the result will show the total mortgage payment with prepayments.


  1. Q: How accurate is the Mortgage Prepayment Calculator? A: The calculator provides a close estimate but may not account for all factors. Consult with a financial advisor for precise figures.
  2. Q: Can I use the calculator for different currencies? A: Yes, you can use any currency. Just ensure consistency in currency units.
  3. Q: Are the results inclusive of taxes and insurance? A: No, the results represent the mortgage payment only. Consider additional costs separately.
  4. Q: What if I make irregular prepayments? A: For irregular prepayments, consult a financial professional for a tailored calculation.
  5. Q: Can the calculator be used for adjustable-rate mortgages (ARMs)? A: The calculator is designed for fixed-rate mortgages. ARM calculations may differ.
  6. Q: How often should I update the input values? A: Regularly update values to reflect changes in your mortgage situation.
  7. Q: Does the calculator consider grace periods? A: No, it assumes regular payments without grace periods.
  8. Q: Can I use the calculator for commercial mortgages? A: It’s primarily designed for residential mortgages; consult with a commercial mortgage expert for accurate results.
  9. Q: Is the calculator suitable for mortgage refinancing calculations? A: Yes, it can be used for estimating payments after refinancing with prepayments.
  10. Q: Are there any hidden fees not considered in the calculation? A: The calculator focuses on the standard mortgage payment; consult your lender for information on additional fees.

Conclusion: Our Mortgage Prepayment Calculator simplifies the process of estimating your total mortgage payment with prepayments. Use it as a starting point for financial planning, but always consult with a professional for personalized advice based on your unique circumstances. Taking control of your mortgage prepayments can lead to significant savings over time.

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