DCA & Compound Calculator

See what investing a fixed amount every month grows into. Free, instant, no signup.

Final value

$18,128

after 10 years

Total invested

$12,000

$100/month

Profit

+$6,128

1.51× your money

Year by year

Year 1Year 10

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How it works

What is dollar-cost averaging (DCA)?

DCA means investing a fixed amount at regular intervals — say $100 every month — regardless of price. You buy more units when prices are low and fewer when they are high, which smooths out your average entry over time and removes the pressure of timing the market.

How does this calculator compound returns?

It applies your expected annual return as a monthly compound rate to a growing balance, adding each contribution at the start of its period. Real returns are never this smooth — markets move in cycles — so treat the result as a long-run scenario, not a promise.

What annual return should I assume?

Broad stock indexes have historically returned around 7-10% per year over long periods, before inflation. Crypto has had far higher highs and far deeper drawdowns. Run the calculation with a conservative and an optimistic number and look at the range, not a single value.

This tool is for information only and is not financial advice.