Skip to main content
Back to Finance Calculators

401k Calculator

Calculate 401(k) growth and retirement savings. See how your contributions and employer match grow over time with our free 401k calculator.

Our powerful 401(k) Calculator helps you project your retirement savings growth, including employee contributions, employer matching, and investment returns. Maximize your retirement potential by understanding how your 401(k) grows over time and make informed decisions about your contribution strategy.

401(k) Information
Enter your current 401(k) details and contribution information
401(k) Projection
Your future 401(k) balance and contributions breakdown

Enter your 401(k) details to see your projection

About 401(k) Calculations
Understanding your 401(k) growth

This 401(k) calculator helps you understand how your retirement savings will grow over time through employee contributions, employer matching, and investment returns. The projections show the power of compound interest and consistent contributions.

Key Formulas:

  • Future Value = PV(1+r)^n + PMT×[((1+r)^n-1)/r]
  • Employee Contribution = Salary × Contribution Rate
  • Employer Match = Salary × Match Rate
  • Total Growth = Contributions + Investment Returns

Note: This calculator provides estimates based on assumed rates of return. Actual 401(k) performance may vary based on market conditions, investment choices, fees, and changes in contribution rates. Always consult with a financial advisor for personalized retirement planning advice.

Frequently Asked Questions
Learn more about 401(k) planning

About 401(k) Plans

A 401(k) is a retirement savings plan sponsored by employers that allows employees to save and invest a portion of their paycheck before taxes are taken out. Many employers offer matching contributions, which is essentially free money for your retirement.

Employee Benefits

  • • Tax-deferred growth on investments
  • • Lower taxable income today
  • • Employer matching contributions
  • • Automatic payroll deductions

Best Practices

  • • Contribute enough to get full employer match
  • • Increase contributions over time
  • • Diversify investments appropriately
  • • Review and rebalance annually
Pro Tip

The most important 401(k) decision is to contribute enough to receive your full employer match. This is an immediate 100% return on your investment and the foundation of retirement savings success.