Expense Ratio Calculator — Calculate ETF Fees & Long-Term Cost
Use this ETF expense ratio calculator to estimate how annual fund fees may affect long-term investment growth. Compare projected investment costs and fee drag with the same hypothetical investment at a 0% expense ratio.
Calculate ETF Fees & Long-Term Fee Drag
Change any input to update the estimate.
20-year hypothetical projection using an 8.0% gross annual return and 0.03% expense ratio.
Difference versus the same model at a 0% expense ratio. This includes foregone compounding and is not a statement of actual fees billed.
| Year | Contributions | With expense ratio | 0% expense ratio | Estimated fee drag |
|---|
How Do ETF Expense Ratios Affect Investment Costs?
An expense ratio expresses a fund’s recurring annual operating expenses as a percentage of its average net assets. These expenses are generally paid from fund assets rather than appearing as a separate annual bill to an ETF shareholder. Because operating expenses reduce fund assets, they can reduce the return that remains for investors.
This calculator focuses only on that recurring expense-ratio effect. It does not attempt to model brokerage commissions, bid-ask spreads, taxes, advisory fees, premiums or discounts to NAV, tracking differences, securities-lending effects, or other costs and sources of return.
Small percentage, long horizon
A small annual difference can compound over many years. The effect depends on the balance, contributions, return path, time horizon, and actual fund expenses.
Not a separate invoice
ETF operating expenses are generally reflected in fund assets and performance. The calculator therefore estimates return drag rather than claiming to reproduce a shareholder’s actual fee statement.
Fees are only one factor
Expense ratios can help compare costs, but investment objectives, index exposure, risks, taxes, liquidity, tracking and other characteristics may also matter.
Expense Ratio Calculator Methodology
The calculator creates two hypothetical paths using the same starting investment, monthly contribution, time horizon and gross annual return. One path uses a 0% expense ratio. The second uses a simplified net annual return equal to the entered gross return minus the entered expense ratio.
fee-adjusted annual return = hypothetical gross annual return − expense ratioEach annual rate is converted to an equivalent monthly rate using (1 + annual rate)^(1/12) − 1. The model compounds monthly and adds the entered contribution at the end of each month. The difference between the two ending balances is labeled estimated fee drag.
What the model assumes
Constant annualized return, constant expense ratio, monthly compounding, end-of-month contributions, no withdrawals, and no taxes or transaction costs.
What the model does not claim
It does not reproduce an ETF’s daily NAV accounting, forecast market returns, estimate tax liability, or guarantee that a fund will trail a zero-fee comparison by the displayed amount.
Compare ETF Expense Ratios: VOO, VTI, SPY & QQQ
These figures are included only as convenient examples for readers using VOOCalculator.com. They are not rankings or recommendations, and expense ratios can change.
VOO & VTI
0.03% expense ratio for Vanguard S&P 500 ETF (VOO) and Vanguard Total Stock Market ETF (VTI), reviewed October 2, 2026.
SPY
0.0945% gross expense ratio for State Street SPDR S&P 500 ETF Trust (SPY), reviewed October 2, 2026.
QQQ
0.18% total expense ratio for Invesco QQQ ETF, reviewed October 2, 2026.
Sources & verification
Fund facts and the explanation of fund operating expenses were checked against primary or regulatory sources. For any investment decision, review the current prospectus and fund-provider materials because fees and fund terms can change.
Frequently Asked Questions About ETF Expense Ratios
What is an ETF expense ratio?
It is a fund’s annual operating expenses expressed as a percentage of average net assets. For ETFs, those expenses are generally paid from fund assets and therefore affect fund performance rather than appearing as a separate annual invoice to the shareholder.
Does a 0.03% expense ratio mean I pay exactly $3 per year on every $10,000?
$3 per $10,000 is a useful one-year approximation if the balance stayed at exactly $10,000 for the entire year. Real balances change, and fund expenses are reflected through the fund’s ongoing operations, so an investor’s actual economic effect will not necessarily equal that simple calculation.
Why is “estimated fee drag” larger than a simple annual fee calculation?
The displayed difference includes both the modeled expense-ratio effect and the compounding that could have occurred on that difference. It should not be interpreted as a record of fees actually deducted from an account.
Does a lower expense ratio mean an ETF will have a higher return?
No. Expense ratios affect costs, but ETF returns also depend on the underlying investments, index exposure, tracking, market conditions and other factors. A lower expense ratio alone does not determine future performance.
Does the calculator predict VOO returns?
No. The annual return field is entirely hypothetical and user-selected. The calculator does not use a forecast for VOO or any other ETF.
Are taxes, spreads and brokerage costs included?
No. The calculator isolates a simplified expense-ratio effect. Taxes, bid-ask spreads, commissions, advisory fees and other potential costs are excluded.