Investing Assets & Markets Mutual Funds Average Expense Ratios for Mutual Funds How to Know if Your Fund Has a Good Expense Ratio By Kent Thune Updated on March 4, 2021 Reviewed by Julius Mansa Why lower expense ratios are an advantage with mutual funds and ETFs. Photo: Getty Images Knowing the average expense ratio of mutual funds helps investors to choose their investments wisely. This is because lower expense ratios can translate into higher potential returns , especially for long-term investors. Therefore, buying funds with below-average expense ratios is a wise strategy for buying the best funds. Key Takeaways A mutual fund's expense ratio measures all of its expenses and fees in proportion to its total assets.This is a helpful metric for determining which funds are the most valuable.When comparing expense ratios, it's important to look at similar types of mutual funds.Index funds and ETFs tend to have the lowest expense ratios since they have low operating costs. Average Expense Ratios By Mutual Fund Type Comparing expense ratios of mutual funds is like comparing apples and oranges—average expenses tend to vary by mutual fund type. Therefore, when analyzing mutual funds, it's good to know the average expense ratio for the particular type of fund you are analyzing. Once you know the average expenses for the type of fund you want to buy, you'll be armed with an important piece of information to help find the best funds for you. Here is a breakdown and comparison of average expense ratios for basic fund types: Average Mutual Fund Expense Ratios By Fund Type Mutual Fund Category Average Large-Cap Stock No-Load 0.865 Mid-Cap Stock No-Load 1.020 Small-Cap Stock No-Load 1.140 Foreign Large-Cap Stock No-Load 0.990 Intermediate-Term Bond No-Load 0.600 When researching mutual funds, look for below-average expenses. Note: The average mutual fund expense ratios in the above table were taken directly from Morningstar. Investors can research information about mutual fund expense ratios on similar mutual fund research sites or directly on the respective fund's fact sheet or prospectus provided by the mutual fund company. So, when researching mutual funds or exchange-trade funds (ETFS), be sure to compare expense ratios to similar funds with the respective category averages. Key Takeaways On Average Mutual Fund Expense Ratios Here are key takeaways on researching and comparing mutual fund expense ratios: Low expenses can translate to higher returns: Expenses for a mutual fund are taken from the fund's assets before the investors receive their net return. For example, if a fund has an expense ratio of 1.00%, and the fund has a return before expenses of 10.00%, the net return to the investor is 9.00% (10.00 - 1.00). All other things being equal the fund with the lowest expenses will generate higher net returns to the investor. Average expenses tend to vary by fund category: The fundamental reason for varying fund expenses is that the research costs for portfolio management are higher for certain types of mutual funds. For certain niche areas, such as small-cap stocks and foreign stocks, information is not as readily available compared to large domestic companies. Therefore, the added research required by the mutual fund analysts and managers will naturally drive the operation costs of the mutual fund higher. Index Funds and ETFs tend to have the lowest expense ratios: Since they are passively managed, meaning the fund manager is only tracking the stocks or bond withing the fund's benchmark index, an index fund's operational costs can be kept extremely low. For example, an S&P 500 index fund simply holds the same stocks that are in the S&P 500 index and therefore no research or analysis is required to find the stocks or bonds to buy for the fund, as is the case with actively-managed funds. Bottom Line Knowing the average expense ratios of mutual funds can be helpful when researching which funds an investor would like to buy. The reason for this is that lower expenses can translate to higher long-term returns, compared to similar funds with higher expenses. Index funds and ETFs generally have lower expenses, compared to actively-managed funds. Index funds can have expense ratios lower than 0.10%, whereas average expenses can often be five times higher . Some ETFs have expense ratios even lower than index mutual funds. With that said, the funds with the lowest expense ratios are not always the best. Therefore, when analyzing a mutual fund, the expense ratio is just one of several things to consider before you buy the fund. Disclaimer: The information on this site is provided for discussion purposes only, and should not be misconstrued as investment advice. Under no circumstances does this information represent a recommendation to buy or sell securities. Was this page helpful? Thanks for your feedback! Tell us why! Other Submit Sources The Balance uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Read our editorial process to learn more about how we fact-check and keep our content accurate, reliable, and trustworthy. Forbes. "What a Fund's Expense Ratio Means and Why It Matters." Accessed January 22, 2020. Morningstar. "Key Takeaways From 2017 Fund Fee Study." Accessed January 22, 2020. Related Articles How to Analyze a Mutual Fund How Are ETF Fees Deducted From Your Investment? 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