FundFee

See how mutual-fund and ETF expense ratios quietly erode returns over time.

Your investment figures never leave your browser — every fee calculation runs locally.

Expense Ratio

See what a fund expense ratio quietly costs you over 30 years of compounding.

Watch the fee compound against you at 10, 20 and 30 years.

Measure the fee as a share of your expected annual return.

Turn the percentage into a dollar figure you can feel.

Compare a typical 1% active fund with a 0.03% index fund.

Quantify what switching to a cheaper fund saves you.

Stack several funds side by side on one screen.

The classic 0.75% active-fund fee versus a 0.03% index fund.

Model fees inside a 401(k) with yearly contributions.