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Compound Interest Calculator

Standard compound-interest projection including regular contributions — the calculation behind most retirement and investment planning.

FreeNo sign-upRuns in your browser
$
%
$
Future value
$54,714
Total contributed
$34,000
Interest earned
$20,714

How it works

  1. 1Enter your starting amount, rate and time horizon
  2. 2Add a monthly contribution if applicable
  3. 3See future value and total interest earned

Who this is for

  • Projecting retirement account growth
  • Comparing investment scenarios
  • Understanding the impact of regular contributions