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Investment Calculator

Investment Growth Calculator

What do you want to figure out?

$
$
%
Not sure? Tap a long-run yearly average (editable, not a promise):
Which one do I pick?
Match it to where your rate came from. Quoted averages like “the S&P returns about 10% a year” are figured yearly, so yearly is the honest match — that's the default here. A savings account or CD usually states a rate that adds monthly or daily; use that if you're matching a real account. More often = a slightly higher result. Your contributions still go in on their own schedule; this only sets how often growth is added.
years

Money you add goes in at the end of each month and starts growing from there.

You'll have
Growth over timeMove across the chart to read any year
Compare two options

Change one thing between A and B. Everything else stays the same, so you see exactly what that one change does.

Option A
%
Option B
%
What you started with$0
What you added over time$0
Growth on top$0

For learning, not advice. Assumes a steady return and steady contributions; real markets move up and down. Figures aren't adjusted for inflation.