Mutual Fund Calculator

Use this free mutual fund calculator to project balance, total contributions, estimated growth, and expense drag from initial investment, monthly contribution, return, expense ratio, and time.

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Formula steps Estimate limits shown Examples included Private history
Projected fund balance after expenses$140,887.47

$5,000 plus $250.00/mo for 20 years

Balance before expense estimate
$150,425.36
Estimated expense drag
$9,537.89
Total contributions
$65,000.00
Net annual return used
6.5%

Actual fund returns, taxes, distributions, loads, and fees vary and are not guaranteed.

Formula steps

  1. Project the balance with the annual return before expenses.
  2. Subtract the expense ratio from the return assumption for a simple net-return estimate.
  3. Project the balance again with the net return.
  4. Compare the two balances to estimate expense drag.

How to use the mutual fund calculator

  1. Enter the requested dollar amounts, rates, terms, tax settings, or contribution details.
  2. Use rates as percentages, such as 6.5 for 6.5%, and check whether a field asks for a monthly or annual amount.
  3. Press the calculate button to see the answer, supporting metrics, and formula steps.
  4. Use the result as a planning estimate only, then copy it if the assumptions look right.

Common uses

Project a mutual fund balance with recurring contributions.

Estimate how an expense ratio can reduce a projection.

Compare low-fee and higher-fee scenarios.

Separate contributions from estimated investment growth.

Examples

Index-style fund $5,000 start, $250/month, 7% return, 0.5% expense

Projected balance after expenses

Higher fee $10,000 start, 1.2% expense ratio

Expense drag comparison

Small start $1,000 start, $100/month for 10 years

Long-term projection

Frequently asked questions

Plain-language answers about when to use the estimate, what your numbers mean, what is left out, and how privacy works.

When should I use the Mutual Fund Calculator?

Use it for early planning and side-by-side comparisons, especially for tasks like these: Project a mutual fund balance with recurring contributions. Estimate how an expense ratio can reduce a projection. Treat the answer as a planning estimate, not a final quote.

What is the Mutual Fund Calculator doing with my numbers?

In plain language: The calculator projects balance before expenses, subtracts expense ratio from the annual return assumption for a simple net-return estimate, then compares the two balances. If the result seems too high or too low, first check whether each field expects a monthly amount, annual amount, dollar value, or percent.

What does this estimate leave out?

This is a hypothetical projection. It does not include actual fund performance, taxes, loads, trading costs, distributions, changing expenses, market volatility, or investment advice. Real finance decisions can also depend on fees, timing, local rules, credit details, and provider-specific terms.

Does the site save my finance inputs?

No. The calculator runs in your browser tab. Recent answers stay only on the page while you use it, and they are not sent to a server.

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