Investment

Project compound growth over time

Model future value, total gain, and return percentage for a recurring compounding interval.

Uses full completed compounding periods based on consistent day-based unit conversion.

Calculator

Estimate compound growth

Enter the return percentage per compounding period, choose the interval, and compare the future value across any investment duration.

Investment inputs

Start with an initial investment and a compounding interval.
$

%

Investment results

Future value based on full completed compounding periods.

Results update automatically.
Projected final amount $0.00

Total gain: $0.00

If you start with $0 and earn 0% every 0 weeks, after 0 years your investment would grow to about $0.

Total return
0.00%
Compounding periods
0
Compounding interval
Every 0 weeks
Rate input
0% per period
Duration0 years
MethodFull completed periods

Month and year conversions use average civil day lengths (30.4375 days per month, 365.25 days per year), and partial periods are rounded down.