How It Works
When you contribute to a traditional 401(k), the money comes out before taxes are calculated. This means every dollar you contribute reduces your taxable income, resulting in immediate tax savings.
Updated for 2025 Tax Rules
401(k) Contribution Calculator
A 401(k) contribution doesn't cost as much as you think! Thanks to pre-tax deductions, your take home pay decreases by less than the amount you contribute.
Last updated: Dec 2025
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