Mutual Fund Fee Calculator
Estimate how mutual fund expense ratios affect investment value over time.
- Last reviewed
- July 8, 2026
- Cost
- Free to use
- Data
- Runs in your browser
Value After Fees
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Value Before Fees
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Fee Drag
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First-Year Fee
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Methodology
How this calculator handles inputs
This calculator uses the values you enter above and applies the formula explained in the guide below. Results update in the browser and are intended for quick planning, comparison, and sanity-checking.
- Use consistent periods, currencies, and units across inputs.
- Review any assumptions before using the result in a decision.
- Recalculate when rates, prices, tax rules, or business terms change.
Important note
This tool provides general planning information only. It is not tax, legal, financial, accounting, or investment advice. Check the current rules for your location and speak with a qualified professional before making a high-stakes decision.
Guide
How it works
Use this calculator to estimate the long-term effect of mutual fund fees.
What this calculator does
The mutual fund fee calculator compares projected value before and after expense ratio drag.
Mutual Fund Fee Formula
Net Return = Gross Return - Expense Ratio
The calculator compounds the investment using the net return.
Example calculation
If you invest 50,000 with a 7% gross return and 0.75% expense ratio for 20 years, the calculator estimates fee drag over time.
When to use this calculator
- comparing mutual funds
- checking expense ratio impact
- estimating long-term fee drag
- reviewing fund costs
FAQs
What is an expense ratio?
An expense ratio is the annual fund operating cost expressed as a percentage of assets.
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