Finance calculator

Algorithmic Compound Interest Calculator

Project future value with flexible rates and contributions, solve backwards from a goal, or compare scenarios side-by-side.

$
% / day
$
% / yr
$
/ yr
$
$
$
% / yr
Effective annual rate, compounded monthly.
$
$
$
Scenarios (Annual Rate %)
%
%
%
Compares the same investment plan at three different growth rates, monthly compounding throughout.
Please enter valid positive values.
Results Standard
Future investment value —
Total interest earned —
Initial balance —
Rate —
Time-weighted return (RoR) —
Investment doubled after —