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Free 401k Calculator - Maximize Your Retirement Savings

Calculate 401k growth with employer match and see your retirement potential. Best free 401k calculator 2025 - instant projections, contribution analysis.

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Calculate 401k

Quick Answer

A 401k calculator projects how your retirement account will grow based on contributions, employer match, and investment returns. At practicalwebtools.com, enter your salary, contribution rate, employer match, and expected return to see your 401k at retirement. The 2025 contribution limit is $23,500 ($31,000 if 50+).

Key Facts about 401k Calculator:

  • 2025 401k contribution limit: $23,500 ($31,000 if 50+)
  • Average employer match: 4.7% of salary
  • Not taking full employer match = leaving free money on the table
  • Traditional 401k: Pre-tax contributions, taxed at withdrawal
  • Roth 401k: After-tax contributions, tax-free withdrawals
  • Early withdrawal penalty: 10% plus income tax (before 59.5)
  • Required Minimum Distributions start at age 73

Why Use Our 401k Calculator?

Maximize your 401k:

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Growth Projection

See 401k growth to retirement.

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Employer Match

Calculate the value of your match.

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Contribution Analysis

Find optimal contribution rate.

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Tax Impact

Traditional vs Roth comparison.

Instant Results

Get projections immediately.

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100% Private

Your retirement data stays private.

How to 401k Calculator in 3 Easy Steps

Plan your 401k:

1

Enter Salary & Contribution

Your income and contribution rate.

2

Add Employer Match

Match percentage and vesting.

3

See Projection

View 401k growth to retirement.

Build Retirement Wealth

Understand the power of employer match

See how contribution rate affects retirement

Plan to maximize tax advantages

Project your retirement wealth clearly

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401k Growth
Maximize your retirement account

Common Use Cases for 401k Calculator

Essential for:

Contribution Planning

Find your optimal contribution rate.

Calculate Now

Match Optimization

Get every dollar of free money.

Optimize Match

Retirement Projection

See your 401k at retirement.

Project Growth

Frequently Asked Questions

Everything you need to know about our 401k calculator

How much should I contribute to my 401k?

At minimum get full match; ideally 15% of income; max if possible.

At minimum, contribute enough to get full employer match. Ideally, contribute 15% of income (including match). Max out if you can ($23,500 in 2025).

What is a 401k employer match?

Company contributes based on your contribution - free money.

Employer match is when your company contributes to your 401k based on your contributions. Common: 50% match up to 6% = if you contribute 6%, employer adds 3%.

Traditional vs Roth 401k?

Traditional: tax now; Roth: tax later. Roth better if future taxes higher.

Traditional: Pre-tax now, pay tax at withdrawal. Roth: Pay tax now, tax-free withdrawal. Roth is better if you expect higher tax rates in retirement.

What happens if I withdraw early?

10% penalty + income tax before 59.5; some exceptions exist.

10% penalty plus income tax on traditional 401k withdrawals before age 59.5. Some exceptions exist (hardship, SEPP). Roth contributions can be withdrawn penalty-free.

What is the 401k limit for 2025?

$23,500 ($31,000 if 50+); total with match $70,000-$77,500.

$23,500 for employee contributions, plus $7,500 catch-up if 50+. Total including employer match: $70,000 (or $77,500 if 50+).

Still have questions? Try the tool yourself!

Calculate 401k

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