401(K) CALCULATOR 2025

A 401(k) is an employer-sponsored retirement savings plan that lets you contribute pre-tax (or Roth after-tax) dollars, reducing your taxable income. For 2025, the employee contribution limit is $23,500, with a $7,500 catch-up for ages 50–59 and 64+, and a special SECURE 2.0 super catch-up of $11,25...

401(K) CALCULATOR

0 if starting fresh

Your gross annual salary

EMPLOYER MATCH

% of your contribution

Cap as % of annual salary

= $3,200.00/yr employer contribution

PROJECTED BALANCE AT AGE 65

$1,548,253.04

Employer match: $112,000.00 · Tax savings: $1,760.00/yr

LIVE DIAGRAM

AT RETIREMENT

$1,548,253.04

EMPLOYER MATCH

$112,000.00

TAX SAVINGS/YR

$1,760.00

GROWTH

$1,156,253.04

CONTRIBUTION BREAKDOWN

Your contributions$280,000.00
Employer match (free!)$112,000.00
Investment growth$1,156,253.04
INVESTED 25.3%GROWTH 74.7%

BALANCE OVER TIME

yr1
yr18
yr35
Your contributions
Employer match

$3,200.00/yr employer match = 4.0% of salary

That's $112,000.00 in free money over 35 years

Live diagram · updates as you type

Created with❤️byeaglecalculator.com

YEAR-BY-YEAR BREAKDOWN

HOW TO USE

  1. 1

    Enter your current 401(k) balance, current age, and retirement age. Then enter your annual salary and your planned annual employee contribution.

  2. 2

    Enter your employer match details. "100% match up to 4%" means your employer matches every dollar up to 4% of your salary. "50% match up to 6%" means 50 cents per dollar up to 6% of salary.

  3. 3

    Enter your expected annual return and your marginal tax rate. The tax rate is used to calculate your annual tax savings from pre-tax 401(k) contributions.

  4. 4

    The calculator shows projected balance at retirement, total employer contributions (free money!), annual tax savings, and how much comes from growth vs. contributions.

WORKED EXAMPLE

Sarah earns $80,000/year and contributes $8,000 to her 401(k). Her employer matches 100% up to 4% of salary ($3,200/year). Total annual contribution: $11,200. At 7% annual return over 35 years starting at age 30: Final balance = $1,548,253. Total she contributed: $280,000. Employer match: $112,000 (free money!). Investment growth: $1,156,253. At 22% marginal tax rate, her annual tax savings: $1,760.

2025 401(K) LIMITS

IRS 401(K) LIMITS 2025 — NOTICE 2024-80
AGE GROUPEMPLOYEE LIMITTOTAL LIMIT (EE+ER)
Under 50$23,500$70,000
50–59 and 64+$31,000 (+$7,500 catch-up)$77,500
60–63 (SECURE 2.0)$34,750 (+$11,250 super catch-up)$81,250

Source: IRS Notice 2024-80 · SECURE 2.0 Act · Combined employee + employer limit: $70,000

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Limits: IRS Notice 2024-80 · 2025 employee limit $23,500 · Catch-up $7,500 (50+) · Super catch-up $11,250 (60–63) · Total limit $70,000 · Last updated: April 25, 2026 · Formula verified by EagleCalculator team · For informational purposes only — consult a financial advisor · Eagle-eyed accuracy for every calculation.