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Dollar-Cost Averaging Calculator

Visualize a recurring investment plan without pretending to know future market prices.

01 / YOUR NUMBERS

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02 / YOUR ESTIMATE

Results & breakdown

Projected value with monthly investing$40,969.84Based on your numbers, not a rate quote or guarantee
Total invested$30,000.00
Hypothetical lump sum value$54,581.90

Visual breakdown

Illustrative projection
Preparing your chart…

Assumptions & limitations

  • Hypothetical constant-return projection, NOT a backtest of market prices.
  • The lump-sum comparison assumes all planned contributions were available on day one.

Currency selection changes display formatting only. It does not convert money using an exchange rate.

Understanding your dollar-cost averaging calculator results

Visualize a recurring investment plan without pretending to know future market prices. The main result is a starting point for your decision. Review the other figures in the results panel to understand how much of the outcome comes from your inputs and which assumptions have the largest effect.

A change in rate, time horizon or recurring amount can produce a different answer. Try a second scenario before using an estimate in a household or business decision.

How the calculation works

Projects regular monthly purchases under a constant rate and compares with an all-at-once investment scenario.

KEY EQUATION / METHOD

Projected DCA value = monthly deposit × [(1 + monthly assumed return)^months − 1] ÷ monthly rate.

Inputs are validated in your browser, and results use standard mathematical models with the assumptions displayed alongside the output. Depending on the calculator, the chart may show a declining balance, growing savings or a comparison between costs. Read the calculation methodology.

A practical example

Monthly investments of $300 are compared with investing the equivalent total at the start.

Use the starting values above to reproduce a scenario, then replace them with your figures. The example is illustrative, not a forecast of rates or market performance.

Important assumptions and limitations

This tool uses numbers you supply and does not fetch personal account information or live lender offers. Interest, inflation, taxes, market returns, lender fees and legal rules vary by product and location. Where a figure is not an actual quote or official rate, treat it as a hypothetical input and verify it independently.

Official resources and further reading

For independent financial context, review a primary source related to this category. Source information may change after this page is published.

Investor.gov: Compound interest explanations ↗

Frequently asked questions

How does the dollar-cost averaging calculator work?

Projects regular monthly purchases under a constant rate and compares with an all-at-once investment scenario.

What should I change to compare dollar-cost averaging calculator scenarios?

Start with monthly contribution / payment, annual rate, investment years. Monthly investments of $300 are compared with investing the equivalent total at the start. Every output is based on your own inputs.