Archived calculator

401(k) Early Withdrawal Penalty Calculator

Estimate taxes, penalties, and net proceeds from an early 401(k) withdrawal.

Last reviewed: August 26, 2026
Cost: Free to use
Data: Runs in your browser
Reviewed by: Anton Jonson

Withdrawal Amount

Federal Tax Rate (%)

State Tax Rate (%)

Under age 59½ penalty applies

10% Penalty

—

Federal Tax

—

State Tax

—

Taxes & Penalties

—

Net Amount Received

—

Methodology

How this calculator handles inputs

This calculator uses the values you enter above and applies the formula explained in the guide below. Results update in the browser and are intended for quick planning, comparison, and sanity-checking.

Use consistent periods, currencies, and units across inputs.
Review any assumptions before using the result in a decision.
Recalculate when rates, prices, tax rules, or business terms change.

Important note

This tool provides general planning information only. It is not tax, legal, financial, accounting, or investment advice. Check the current rules for your location and speak with a qualified professional before making a high-stakes decision.

Guide

How it works

Use this calculator to estimate taxes, penalties, and net proceeds from an early 401(k) withdrawal.

What this calculator does

The 401(k) early withdrawal penalty calculator estimates how much of a withdrawal may be lost to tax and penalty. It separates federal tax, state tax, and the 10% early withdrawal penalty.

It uses:

withdrawal amount
federal tax rate
state tax rate
early withdrawal penalty status

401(k) Early Withdrawal Formula

Net Amount = Withdrawal - Penalty - Federal Tax - State Tax

Where:

Penalty = withdrawal × 10% when applicable
Federal Tax = withdrawal × federal tax rate
State Tax = withdrawal × state tax rate
Net Amount = cash received after deductions

Example calculation

If:

Withdrawal = 25,000
Federal tax rate = 22%
State tax rate = 5%
Penalty = 10%

Then:

Penalty = 2,500
Federal tax = 5,500
State tax = 1,250
Net amount = 15,750

The total tax and penalty cost is 9,250.

What is a 401(k) early withdrawal penalty?

The early withdrawal penalty is generally a 10% penalty on 401(k) withdrawals taken before age 59½ unless an exception applies. Income tax may also apply.

Why early withdrawal cost matters

shows the real cash received
highlights tax and penalty drag
helps compare alternatives
protects long-term retirement savings

When to use this calculator

evaluating an early withdrawal
comparing hardship options
estimating tax withholding needs
understanding net proceeds

Common mistakes

counting the full withdrawal as cash received
forgetting state tax
ignoring the 10% penalty
overlooking plan loan alternatives

Early withdrawal vs 401(k) loan

An early withdrawal permanently removes money and may trigger tax and penalties. A 401(k) loan is borrowed from the account and repaid under plan rules.

The long-term effect can be very different.