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Interest Calculator

Online Interest Calculator calculates total compound interest or simple interest, and total balance based on the initial principal, number of years, and interest rate.

Results: Compound Interest

When unpaid interest generates interest itself.

  • Principal after 10 Years:
  • 12189.94
  • Total Interest:
  • 2189.94

Results: Simple Interest

When unpaid interest does not generate interest itself.

  • Balance after 10 Years:
  • 12000
  • Total Interest:
  • 2000

Calculator

Input initial principal, the number of years, and annual interest rate, click the "Calculate" button, results of both compound interest and simple interest will appear immediately.
  • Initial Principal:
  • Number of Years:
    years
  • Interest Rate:
    % per year

Related Calculators

Related Information

1. Compound Interest:

Compound Interest is a kind of interest calculating method that the interest generated from the principal also generates interest itself. Normally, it is compounded monthly.


2. Simple Interest:

Simple Interest calculates the interest only on the base of principal.


More Information: More about Interest