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Paycheck & Payroll Guides

Plain-English answers to the questions people actually have about their paychecks — updated for 2026.

Calculators tell you the number. These guides explain where it comes from — how withholding actually works, what shows up on a pay stub, and how to read a W-4 without guessing. Each one links to the calculator it's most useful alongside.

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How to Read Your Paycheck Stub
Every line on a pay stub means something. Here's what each one actually tells you.
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What Is FICA and Why Is It Withheld?
The two-line deduction that funds Social Security and Medicare, explained.
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Salaried vs. Hourly: What Actually Changes
Same job, different pay structure — here's what really differs on payday.
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How to Fill Out a W-4 (2026 Guide)
The modern W-4 doesn't use "allowances" anymore. Here's what replaced them.
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Why Is My Bonus Taxed So Much?
That bonus check looks smaller than expected — but it's probably not because of a higher tax rate.
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401(k) Contributions and Your Take-Home Pay
Contributing more to your 401(k) lowers your paycheck by less than you'd think.
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State vs. Local Income Tax: What's the Difference?
Your state's tax rate is only part of the picture in some places.