United States / 401(k)

401(k) calculator

Monthly contributions grown to retirement at an assumed return.

Inputs

Numbers stay in this tab. Nothing is sent to a server.

Estimated corpus

$8,03,850

Your contributions

$2,05,000

Assumed growth

$5,98,850

Constant return assumption. Fees, tax, sequence-of-returns risk, and inflation are not modelled. A 4% withdrawal is a rule of thumb, not advice.

FAQ

Questions, answered

Is my salary or loan data uploaded?Open

No. The maths runs in this tab. Close the page and the numbers are gone.

Are the tax rates official?Open

They follow commonly published slabs for the current year, labelled as estimates. Confirm on the government site before you file.

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