Dollar-Cost Averaging Calculator

Use this dollar-cost averaging calculator to estimate the average purchase price from repeated investments. Enter purchase amounts, prices and contribution schedule and review total invested, units bought and average cost.

Average cost per share
—
Total shares bought —
Total invested —
Current value (at last price) —
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How it works

Average cost = total invested ÷ total shares purchased (shares per period = fixed $ ÷ that period's price)

How to use the Dollar-Cost Averaging Calculator

Start by entering purchase amounts, prices and contribution schedule. Keep the units consistent and check that each value belongs to the same question.

The result gives total invested, units bought and average cost. Fees, taxes and changing investment choices can affect the actual average. Use it as a guide and check any instructions, rules or professional advice that apply.

Frequently Asked Questions

What does this dollar-cost averaging calculator calculate?
It gives total invested, units bought and average cost. Fees, taxes and changing investment choices can affect the actual average.
What information should I enter?
Enter purchase amounts, prices and contribution schedule. Use the same units throughout so the result is easier to understand.
What does dollar cost averaging mean?
It means investing set amounts over time rather than making one purchase.