Updated 2026-03-19

401(k) Expense Ratios: What's a Good Fee & How to Find Yours

What a good 401(k) expense ratio looks like, how to find hidden fees, 2026 benchmarks, and the long-term cost impact of high fees on your retirement savings.

What You Will Learn

This guide covers everything you need to know about 401(k) expense ratios: what's a good fee & how to find yours. We break down the rules, compare your options, and provide tools to help you make informed decisions about your retirement savings.

Enable JavaScript for the full interactive experience with calculators, live data, and tools.

Pavlo Pyskunov

Pavlo Pyskunov

Managing Director & Investment Fund Director

Pavlo Pyskunov analyzes employer-sponsored retirement plans using IRS publications and DOL Form 5500 filings, helping workers maximize their 401(k) savings through data-driven guidance.

Last updated: 2026-03-19

Related Articles

401(k) Fee Calculator: Hidden Cost Impact

See how 401(k) fees erode your retirement savings. Expense ratio analyzer, fee comparison tool, and 30-year cost proj...

 How to Invest Your 401(k): Best Investment Options for 2026

How to invest your 401(k): target-date funds, index funds, ETFs, and expense ratios. Pick the right investments for y...

 401(k) vs Mutual Fund: Understanding the Difference

A 401(k) is an account, not an investment. How mutual funds, index funds, and share classes work inside your retireme...

 Index Funds vs Target-Date Funds: Which Is Better for 401(k)?

Head-to-head comparison of index funds and target-date funds in your 401(k). Fee impact calculator, three-fund portfo...

 ETFs in Your 401(k): Access, Costs & Growing Availability

How ETFs are entering 401(k) plans, why they have been rare, cost advantages over mutual funds, and how to access ETF...