How to use the 401(k) Calculator
Enter the requested values, review any assumptions shown beside the inputs, then run the tool. The main result appears first, followed by supporting values that make the answer easier to understand.
Why this tool is useful
Project 401(k) retirement savings from salary, contributions, employer match and expected return. The page is intentionally focused on one task so it stays fast on mobile and easy to revisit.
Important: Financial calculations are estimates for education and planning, not financial, tax, lending or investment advice.