WalletWaypointCompound Interest Calculator
Inputs
Starting amount
$10,000
Monthly contribution
$500
Yearly growth rateAfter-inflation return — your balance is shown in today's buying power
7.00%
How long you'll invest (years)
20 yrs
Rule of 72. At 7.00% annual return, your money doubles about every 10.3 years.
Balance in 20 years
$300,851in 20 years
You contribute
$130K
Growth earned (on top of what you put in)
$171K
Growth over time
Balance (solid) vs. money you put in (dashed)
Balance Money you put in
$0$150K$301Kyr 0yr 10yr 20
See the full breakdown, charts & guide on WalletWaypoint →