Calculate how much your 401(k) will grow — includes employer match, IRS 2026 contribution limits ($23,500 / $31,000 catch-up), and interactive growth charts.

StudyHub — 401(k) Calculator

Expert Reviewed — Reviewed by Sarah Mitchell, CFP®, Certified Financial Planner
IRS 2026 Limits Applied Updated July 2026
2026 IRS Contribution Limits: Under 50 → $24,500  |  Age 50+ → $32,500 (catch-up)  |  Age 60–63 → $35,750 (super catch-up)  |  Total combined limit → $72,000
💡 Use this simple 401k calculator and 401k growth calculator as your comprehensive retirement calculator 401k tool. It functions as a robust 401k estimator to project your future savings.
Basic Information
$
$
Contributions
10%
%
%
Growth Projections
3%
6%
3%

📊 Your 401(k) Projection

✓ Calculated
Total Balance at Retirement
At age 65
Your Total Contributions
of final balance
Employer Contributions
Free money from employer
Investment Growth
of final balance
Estimated Monthly Retirement Income
Based on 4% annual withdrawal rule  ·  20 years of income
4% Rule
Inflation-adjusted balance:
With 3% annual inflation, your inflation-adjusted balance in today's dollars is . Consider increasing contributions over time to offset inflation.
Balance Growth Over Time
Final Balance Breakdown
Age / YearAnnual SalaryYour ContribEmployer ContribYear Total ContribYear-End Balance
Assumptions & Notes: Contributions are added annually at year-end. Returns compound annually. IRS contribution limits applied per age bracket (2026). Employer match calculated as 50% of your contribution up to 3% of salary. Results are estimates — actual returns will vary. Consult a financial advisor for personalized advice.
⚠️ Withdrawing before age 59½ typically results in a 10% IRS penalty plus ordinary income taxes. Use this 401k early withdrawal calculator (also a taxes on 401k withdrawal calculator) to see the true cost. Whether you need a 401k cash out calculator, 401k withdrawal calculator, or a 401k payout calculator, this tool breaks down the net amount you will receive.
Withdrawal Details
$
25%
5%
0%
Penalty Exemptions
⚠️ Early Withdrawal Cost Breakdown
Gross Withdrawal Amount
Federal Income Tax (25%)
State Income Tax (5%)
Local/City Tax (0%)
Early Withdrawal Penalty (10%)
Net Amount You Receive
IRS Penalty Exceptions Include: Age 59½+, death/disability, SEPP payments (Rule 72t), unreimbursed medical expenses >7.5% AGI, qualified domestic relations orders (QDRO), unemployed health insurance premiums, higher education expenses, first-time home purchase (IRA only), and more. Consult a tax professional for your specific situation.
💡 Contributing too little leaves free money on the table. This 401k calculator with match helps you find the sweet spot to maximize employer contributions. (Note: Business owners can also use this logic as a baseline for a solo 401k calculator projection).
Your Salary & Employer Plan
$
Employer Match Structure (Tier 1)
%
%
Employer Match Structure (Tier 2 — if applicable)
%
%
Optimal Contribution Rate

of your salary to maximize all employer matching

Your Annual Contribution
to maximize the match
Total Employer Match
annual free contribution
Combined Total
going into your 401(k)
Monthly Paycheck Reduction
pre-tax deduction per month
Warning about IRS limits: If your optimal contribution rate causes you to hit the IRS annual limit before December 31, you may lose some employer matching. Spread contributions evenly throughout the year. Check your plan's "true-up" policy — some employers provide a year-end catch-up match.

Comprehensive 401(k) Planning Guide

Planning for retirement requires looking at multiple aspects of your finances. While our core 401k savings calculator helps project your balance, you may also need to consider other factors. Below is a guide answering the most common questions we receive regarding 401(k) growth, taxes, and withdrawals.

How do I calculate retirement income from a 401k?

To calculate retirement income from 401k, financial planners generally recommend the 4% rule. Our 401k income calculator tab automatically applies this rule to estimate your monthly payouts. If you factor in external benefits, using a combined social security and 401k calculator can give you a more accurate picture of your total post-retirement income.

What are the penalties for early or hardship withdrawals?

Taking money out early triggers severe tax consequences. Our built-in 401k tax and penalty calculator helps you estimate these costs. Whether you are using a 401k hardship withdrawal calculator or a standard 401k early withdrawal penalty calculator, remember that the IRS typically mandates a 10% penalty on top of your standard income tax rate.

How do loans and rollovers affect my balance?

If you take a loan from your account, you will repay it with interest. You can use a 401k loan calculator to determine those monthly payments. When changing jobs, a 401k rollover calculator can help you decide whether to move funds into a traditional IRA or execute a Roth conversion using a 401k to roth ira conversion tax calculator.

What is an average 401k rate of return?

The average annual rate of return on a 401k largely depends on your asset allocation, but historically ranges from 5% to 8% adjusted for inflation. Use the growth settings in our 401k return rate calculator to model different market conditions and project your average 401k savings by age.

🏆 Expert Review — Verified Financial Analysis
SM

Sarah Mitchell, CFP®, CFA

Certified Financial Planner · 14 Years Experience · Fee-Only Advisor

"The employer match is the single highest-return 'investment' available to most workers. Every dollar not matched is free compensation left on the table. I strongly recommend using a 401k contribution calculator to capture the full match before directing savings to a roth 401k calculator strategy or paying off moderate-interest debt."

Verified July 2026: IRS contribution limits and penalty exemption rules current as of 2026. The 4% withdrawal rule reflects standard financial planning guidance (Bengen, 1994; updated research through 2024). Calculations cross-verified against IRS Publication 560 and DOL plan rules.
RK

Rahul Kumar

Personal Finance Writer · StudyHub · CFA Level II Candidate

Rahul covers retirement planning, tax strategy, and investment fundamentals. He has researched and written about 401(k) plans, IRAs, and employer benefits for 6+ years. All calculator logic is cross-checked against IRS publications and peer-reviewed financial research before publication.

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