Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

401k Calculator

Projects your 401(k) balance at retirement by combining your current savings, ongoing contributions, employer match, and expected investment growth. Use it to see whether you are on track and how much employer matching adds to your nest egg.

Current 401k Balance ($)

Annual Salary ($)

Employee Contribution (%)

Employer Match (% of contribution)

Employer Match Limit (% of salary)

Annual Return Rate (%)

Years Until Retirement (years)

Fill in the required fields to see your result.

Investing

ROI Calculator

Calculate the simple return on investment (ROI) percentage from an initial outlay and a final value. Use it for quick performance comparisons across investments where time horizon is the same or you do not need an annualized view.

Initial Investment ($)

Final Value ($)

Fill in the required fields to see your result.

Key differences

	401k Calculator	ROI Calculator
Category	Investing	Investing
Inputs required	7	2
Result	401k Balance at Retirement ($)	Return on Investment (%)
What it does	Projects your 401(k) balance at retirement by combining your current savings, ongoing contributions, employer match, and expected investment growth. Use it to see whether you are on track and how much employer matching adds to your nest egg.	Calculate the simple return on investment (ROI) percentage from an initial outlay and a final value. Use it for quick performance comparisons across investments where time horizon is the same or you do not need an annualized view.