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Investment growth calculator

What steady contributions turn into over time — and what that pile is really worth once inflation and taxes have taken their share.

Your projection

Compounded monthly. The headline is the nominal balance; the rows below strip out inflation and tax, which is the number that actually buys groceries.

$
$

The lever that matters most early on.

%

The US stock market has averaged roughly 7% a year after inflation over the long run — and never in a straight line.

y
%
%

0% if this is all inside a Roth or other tax-free account.

Balance after 20 years
$150,425

You put in $65,000. Growth added $85,425.

Total you contributed$65,000
Investment growth$85,425
After 15% tax on gains$137,612
In today's money (2.5% inflation)$91,800
Balance by year

Each step is one year. The curve bends upward because growth compounds on growth — most of it arrives late, which is why starting early beats contributing more.

A projection is not a promise — real returns arrive unevenly and some years are negative. Read the beginner's guide before you pick where to put it.