Bonus Tax Calculator: How to Use It, Tips and FAQs

Published 6 November 2026 by Kloora Tools

Quick answer: Bonus Tax Calculator: See how much of your bonus you keep after the 22 percent federal withholding, FICA and state tax. Everything runs in your browser, so nothing you enter is uploaded or stored.

This guide shows what the Bonus Tax Calculator does, how to use it and what to watch for. See how much of your bonus you keep after the 22 percent federal withholding, FICA and state tax.

What the Bonus Tax Calculator does

See how much of your bonus you keep after the 22 percent federal withholding, FICA and state tax. Free, instant and private. No signup, no download. It runs in your browser, so what you type stays on your device.

How is a bonus taxed? Employers often withhold a flat 22 percent federal tax on bonuses, plus 6.2 percent Social Security and 1.45 percent Medicare, plus state tax.

How to use it, step by step

1. Enter your values in the fields.
2. The results update instantly as you type.
3. Note or copy the numbers you need.

Open the Bonus Tax Calculator in a new tab, follow these steps and keep this page beside it.

Questions this tool answers

How much tax on a bonus?

Use the Bonus Tax Calculator. See how much of your bonus you keep after the 22 percent federal withholding, FICA and state tax.

What is the easiest way to work out bonus after tax?

The Bonus Tax Calculator covers this. Enter your details, read the result and compare it with your own case. No. It is only withheld at a flat rate, and your real tax is settled when you file.

What is the easiest way to work out supplemental wage withholding?

The Bonus Tax Calculator covers this. Enter your details, read the result and compare it with your own case. Yes. It is free, needs no signup and works on any device.

Who it helps

The Bonus Tax Calculator is made for students, shop owners, job holders and anyone who needs a quick number without opening a spreadsheet. It works on a phone, a tablet and a computer.

What you get

• Instant results
• Free, no signup
• Runs in your browser, nothing is uploaded
• Works on phone and desktop

Tips for good results

• Check that each number is in the unit the field asks for before you read the answer.
• Round only at the end. Rounding inside the steps can shift the final figure.
• Treat the result as an estimate for planning. For a legal, tax or medical decision, confirm it with a professional or the official source.

Try it now

Open the free Bonus Tax Calculator. If you need something related, browse the Kloora Tools home page or the tools listed at the end of this guide.

Frequently asked questions

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