源泉徴収税計算機

共有リンク

はじめに

Tax Withholding Calculator — Calculate tax withheld and net pay from gross pay. Enter Gross pay, Withholding (%) to get an instant, accurate result.

計算式

Withheld amount = gross pay × withholding rate %. Net pay = gross pay − withheld amount.

ステップごとの説明

Enter the Gross pay.
Enter the Withholding (%).
Click Calculate to see your result instantly.

実例

Example: With Gross pay = 5000, Withholding (%) = 15, the Tax Withholding Calculator gives Withheld: 750, Net Pay: 4250.

よくある質問

What rate should I enter?

Your combined effective withholding rate across all applicable taxes for the pay period.

Is this the same as my final tax liability?

No, withholding is an estimate of tax taken from each paycheck — your actual tax owed is reconciled when you file.

What inputs does the Tax Withholding Calculator need?

You'll need to provide: Gross pay, Withholding (%). All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.

How accurate is the Tax Withholding Calculator?

The Tax Withholding Calculator applies the formula exactly as calculated — Withheld amount = gross pay × withholding rate %. Net pay = gross pay − withheld amount. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.

Are these results guaranteed?

No. The Tax Withholding Calculator gives an estimate based on the numbers you enter and standard financial formulas — actual rates, fees, taxes, and terms vary by lender, institution, and jurisdiction, and can change over time. This is not financial advice; consult a qualified financial professional for decisions specific to your situation.

Is the Tax Withholding Calculator free to use?

Yes, the Tax Withholding Calculator is completely free, requires no signup, and runs instantly in your browser.