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Disclaimer: F0X (F-Zero-X) Finance provides calculators and information for educational purposes only. We do not provide financial, tax, or legal advice. Calculator results are estimates and may not reflect actual outcomes. Always consult qualified professionals before making financial decisions. See our full Disclaimer, Terms of Service, and Privacy Policy.

Calculate your retirement savings with employer matching. See how much you'll have at retirement based on contributions and investment growth.

How It Works

Enter your current age, salary, contribution percentage, and employer match. The calculator projects your 401(k) balance at retirement using compound growth assumptions.

When to Use

Use when deciding how much to contribute, evaluating employer matches, or planning for retirement. Helps maximize your retirement savings.

401(k) Calculator

Plan your retirement with 401(k) contributions and employer match

Your Information

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What is employer matching and how does it work?

Employer matching is free money your employer contributes to your 401(k) based on your own contributions. It's one of the most valuable employee benefits available.

Common Matching Formulas

Match TypeExampleWhat It Means
50% up to 6%Most commonContribute 6%, get 3% match (total 9%)
100% up to 3%Dollar-for-dollarContribute 3%, get 3% match (total 6%)
100% up to 4%, then 50% up to 6%TieredContribute 6%, get 5% match (total 11%)

Example: $60,000 Salary with 50% Match up to 6%

Your ContributionEmployer MatchTotal AnnualYour Cost
0% ($0)$0$0$0
3% ($1,800)$900$2,700$1,800
6% ($3,600)$1,800$5,400$3,600
10% ($6,000)$1,800$7,800$6,000

Golden Rule: Always contribute at least enough to get the full employer match. It's an immediate 50-100% return on your money!


How much should I contribute to my 401(k)?

The ideal contribution depends on your age, income, and financial goals, but here are general guidelines:

Contribution Recommendations by Priority

  1. Minimum: Enough to get full employer match (free money!)
  2. Good: 10-15% of gross salary including match
  3. Excellent: 15-20% of gross salary
  4. Maximum: IRS contribution limits

2024 IRS Contribution Limits

AgeStandard LimitCatch-Up (50+)Total Possible
Under 50$23,000-$23,000
50 and older$23,000+$7,500$30,500

Recommended Contribution by Age

AgeRecommended %Reasoning
20s10-15%Time is your biggest asset, compound growth is powerful
30s12-18%Balance family expenses with retirement needs
40s15-20%Increase contributions as income grows
50s-60s20%+ or maxFinal push, use catch-up contributions

Example: $75,000 Salary

Contribution %Annual AmountWith 4% MatchTotal Annual
6%$4,500$3,000$7,500
10%$7,500$3,000$10,500
15%$11,250$3,000$14,250
20%$15,000$3,000$18,000

What is the difference between Traditional and Roth 401(k)?

The main difference is when you pay taxes: now (Roth) or later (Traditional).

Traditional vs. Roth 401(k) Comparison

FeatureTraditional 401(k)Roth 401(k)
ContributionsPre-tax (reduces current taxable income)After-tax (no current tax benefit)
Tax BenefitNow (lower taxes today)Later (tax-free withdrawals)
WithdrawalsFully taxed as ordinary incomeTax-free if qualified
RMDsRequired at age 73Required at age 73 (but can roll to Roth IRA)
Best ForHigh earners expecting lower tax bracket in retirementYounger workers, those expecting higher taxes later

Example: $10,000 Contribution

Traditional 401(k) (22% tax bracket):

  • Tax savings now: $2,200
  • Amount invested: $10,000
  • Withdrawals: Fully taxed in retirement

Roth 401(k) (22% tax bracket):

  • Tax savings now: $0
  • Amount invested: $10,000
  • Withdrawals: Tax-free in retirement

Which Should You Choose?

Choose Traditional if:

  • You're in a high tax bracket now (24%+)
  • You expect lower income/taxes in retirement
  • You need the tax deduction now

Choose Roth if:

  • You're young with decades until retirement
  • You're in a lower tax bracket now (12% or less)
  • You expect higher taxes in retirement
  • You want tax-free withdrawals

Pro Tip: You can split contributions between both to diversify tax risk!


When can I withdraw from my 401(k)?

Understanding withdrawal rules helps you avoid costly penalties and plan for retirement.

Penalty-Free Withdrawal Age

Age 59½ is the magic number for penalty-free withdrawals from your 401(k).

Early Withdrawal Penalties (Before 59½)

Standard Penalty: 10% penalty + income tax on withdrawal

Example: Withdraw $20,000 at age 45 in 22% tax bracket:

  • 10% penalty: $2,000
  • Income tax (22%): $4,400
  • Total cost: $6,400
  • You receive: $13,600

Exceptions to Early Withdrawal Penalty

You can withdraw without the 10% penalty (but still owe income tax) for:

ExceptionDetails
Rule of 55Leave employer at age 55+ (age 50 for public safety)
DisabilityTotal and permanent disability
Medical expensesUnreimbursed medical > 7.5% of AGI
QDRODivorce settlement (Qualified Domestic Relations Order)
Substantially equal paymentsSeries of substantially equal periodic payments (SEPP/72(t))
First homeUp to $10,000 for first-time home purchase (IRA only, not 401k)

Required Minimum Distributions (RMDs)

Starting age: 73 (as of 2024)

  • Must withdraw minimum amount annually
  • Calculated based on life expectancy
  • Penalty for missing RMD: 25% of required amount (reduced from 50%)

Pro Tip: Roll 401(k) to Roth IRA to avoid RMDs and get tax-free growth!


What investment returns can I expect?

Historical data provides guidance, but returns vary significantly based on your investment choices and market conditions.

Historical Stock Market Returns

Average annual return: ~10% (nominal) Inflation-adjusted: ~7% (real return)

Conservative Planning Estimates

Investment MixExpected ReturnRisk Level
Aggressive (90% stocks)8-10%High volatility
Moderate (60% stocks, 40% bonds)6-8%Medium volatility
Conservative (40% stocks, 60% bonds)4-6%Lower volatility
Very Conservative (bonds/cash)2-4%Low volatility

Why This Calculator Uses 7%

7% is a reasonable conservative estimate because it:

  • Accounts for inflation
  • Reflects diversified portfolio
  • Smooths out market volatility
  • Provides realistic long-term expectations
  • Better for planning than being overly optimistic

Impact of Returns on 401(k) Growth

Example: $500/month for 30 years

Return RateFinal BalanceTotal ContributionGrowth
5%$416,129$180,000$236,129
7%$611,729$180,000$431,729
10%$1,130,244$180,000$950,244

Key Insight: A few percentage points in returns makes an enormous difference over decades. This is why:

  • Starting early matters (more time for compound growth)
  • Keeping fees low matters (every 0.5% in fees reduces returns)
  • Staying invested through volatility matters (time in market > timing market)

Your Actual Returns Will Vary

  • Some years: +30% or more
  • Some years: -20% or worse
  • Long-term average: Should approach historical averages

Don't panic sell during downturns - you only lose money if you sell. Stay the course!

Have more questions? These calculators provide estimates for educational purposes only. For personalized financial advice, consult with a qualified financial professional. See our disclaimer for more information.