Featured basic

Amortization Schedule Calculator

Monthly payment breakdown of any amortizing loan.

Compute the monthly payment, total interest, and payoff details of any fixed-rate amortizing loan from principal, interest rate, and term.

Published Last reviewed 1 min read

Inputs

$
%
months

Results

Enter values and click Calculate to see results.
Was this helpful?

How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

M = P · r / (1 − (1 + r)−n) where P is the principal, r is the monthly rate, and n is the number of payments. Each payment's interest component shrinks while the principal component grows.

In depth

Compute the monthly payment, total interest, and payoff details of any fixed-rate amortizing loan from principal, interest rate, and term.