US 401(k) Calculator
Estimate 401(k) growth with monthly employee contributions, employer match, and compound returns over time.
Processed locally in your browser
Country-specific calculator. Amounts stay in United States (USD) even if you change the header country.
How to Use
- Enter salary, contribution percent, and employer match rules.
- Set expected years and annual return.
- Review projected balance and total contributions.
Frequently Asked Questions
Does this include IRS contribution limits?
This is an illustrative projection. Annual deferral limits are not enforced in this simple model.
Estimates only, not tax advice. Rules vary by state and filing status. Consult IRS publications or a tax professional before filing.