Free Calculator

See How Your Money Grows

Enter your starting amount, monthly contributions, and rate — watch the numbers grow over time.

Your Numbers

$
$
%
7%
yrs
20 yrs

Your Results

Final Balance
$0
Total Contributed
$0
Interest Earned
$0
Balance Breakdown
Principal
Contributions
Interest

Growth Over Time

Run a calculation to see your growth curve

Balance at Key Milestones

Year Balance Contributed Interest Earned Interest %

Compare Two Scenarios

Different rates, time horizons, or contribution levels — see the exact dollar difference side by side.

Scenario A
$
$
%
yrs
Scenario B
$
$
%
yrs
Scenario A
Scenario B

Growth Comparison

Year-by-Year Comparison

YearScenario AScenario BDifference

Want to understand how this works? Read our article on compound interest →