401k Retirement Calculator
Calculate how much your 401k will be worth at retirement. See the impact of employer matching, contribution increases, and investment growth.
How to Use
Enter your current age, retirement age, salary, contribution percentage, employer match, current balance, expected return rate, and annual raise percentage. Click Calculate to see your projected 401k balance at retirement.
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Understanding 401k Employer Match
Employer matching is essentially free money. A common formula is "50% match up to 6% of salary." This means if you contribute 6% of your $60,000 salary ($3,600), your employer adds $1,800. Always contribute at least enough to get the full match — it's an instant 50% return on your investment.
Power of Starting Early
Starting your 401k early makes a dramatic difference. A 25-year-old contributing $500/month at 7% return will have $1.2 million at 65. Waiting until 35 means only $567,000 — less than half. The extra 10 years of compound growth doubles your retirement fund.
Maximizing Your 401(k) Savings
A 401(k) is one of the most powerful retirement savings tools available. CalcSolver's 401(k) calculator projects your retirement fund by factoring in your salary, contribution percentage, employer match, expected raises, and investment returns over your entire career.
If you earn $65,000 and contribute 6% with a 50% employer match, you put in $3,900/year and your employer adds $1,950 — totaling $5,850 annually. At 7% average returns over 30 years, this grows to approximately $590,000. Increasing your contribution to 10% would push the final balance over $980,000.
Always contribute at least enough to capture the full employer match — it's essentially free money. The 2025 contribution limit is $23,000 ($30,500 if age 50+). Consider Roth 401(k) contributions if you expect higher tax rates in retirement. Use our retirement calculator and investment calculator for comprehensive retirement planning.
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Frequently Asked Questions
How does a 401k retirement plan work?
A 401k is a tax-advantaged retirement savings plan. You contribute before taxes, reducing taxable income. Employers often match contributions. Money grows tax-deferred until retirement withdrawal.
What is employer 401k matching?
Employer matching means your company contributes based on your contributions. A common match is 50% up to 6% of salary. It's essentially free money — always contribute enough to get the full match.
How much should I contribute to my 401k?
At minimum, get the full employer match. Experts recommend 15-20% of income. The 2024 limit is $23,000 (under 50) or $30,500 (50+). Start with what you can afford and increase gradually.
When can I withdraw from my 401k?
Penalty-free at age 59½. Early withdrawals incur 10% penalty plus taxes. Required Minimum Distributions begin at age 73. Some plans allow loans or hardship withdrawals.