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Mortgage Recast Calculator.

Calculate your new monthly mortgage payments after paying a lump sum to recast the loan.

FREE INSTANT RESULTS NO SIGNUP UPDATED 2026

Parameters

$
%
yrs
$

Summary Output

New Monthly Payment
$$0.00
Interest Saved (Remaining)
$$0.00

How to Use

Enter the remaining loan balance, interest rate, outstanding years, and the lump sum amount to recast.

Example Calculation

For a $300,000 loan with 25 years left at 6.5% interest, recasting with a $50,000 lump sum reduces your payment from $2,025.26 to $1,687.72, saving $51,263 in lifetime interest.

Formula

New Payment = (Balance - Lump Sum) * [ i(1+i)^n ] / [ (1+i)^n - 1 ]

Frequently Asked Questions

Common questions and answers about the Mortgage Recast Calculator.

The Mortgage Recast Calculator is a free online tool designed to calculate your new monthly mortgage payments after paying a lump sum to recast the loan. It allows you to perform these calculations quickly and accurately without manual computations.
Enter the remaining loan balance, interest rate, outstanding years, and the lump sum amount to recast. Once you enter these values, the calculator will automatically compute and display the results instantly.
The Mortgage Recast Calculator uses the following formula to calculate your results: New Payment = (Balance - Lump Sum) * [ i(1+i)^n ] / [ (1+i)^n - 1 ] This formula is standard and widely accepted for these types of calculations.
Sure! Here is a practical example: For a $300,000 loan with 25 years left at 6.5% interest, recasting with a $50,000 lump sum reduces your payment from $2,025.26 to $1,687.72, saving $51,263 in lifetime interest. This example demonstrates how the inputs are processed through the formula to yield the final results.
To use the Mortgage Recast Calculator, you need to enter: Current Loan Balance, Interest Rate, Remaining Loan Term, Lump Sum Payment. These inputs help the tool calculate precise results tailored to your situation.
The Mortgage Recast Calculator outputs the following details: New Monthly Payment, Interest Saved (Remaining). This comprehensive breakdown helps you understand the different aspects of the calculated figures.
Yes, the Mortgage Recast Calculator is 100% free with no registration or signup required. It is fully responsive and optimized for mobile phones, tablets, and desktop computers.
Reliable Calculator provides a fast, clean, ad-free, and premium user experience. The Mortgage Recast Calculator uses verified math formulas and provides instant results with visual breakdowns and examples, making it more intuitive than other tools.