Gross to Net Pay Calculator

How it is calculated

The tool uses one flat tax rate and one fixed deduction: tax = gross × rate / 100, total deducted = tax + deductions, net = gross − total deducted. Gross is your pay for one period, rate is a percentage from 0 to 100, and deductions is a fixed amount in the same currency and period (pension, health premium, union dues). Results are shown in USD with two decimals. It returns nothing if gross is zero or negative, the rate is outside 0–100, a deduction is negative, or a field is left empty (type 0 for no deductions). It does not model progressive tax brackets or country-specific social contributions, so use your effective rate.

Common mistakes

• Entering the top marginal bracket instead of the effective rate. The tool applies one flat percentage to the whole gross, so a top-bracket rate overstates the tax.
• Putting a percentage-based contribution, such as a 5% pension, into the fixed deductions field. Convert it to an amount first (5% of 4000 = 200), or add it to the tax rate.
• Mixing periods: an annual gross with monthly deductions, or the other way round, which skews the net badly.
• Leaving the deductions field empty. The tool then returns no result; enter 0 if there are none.
• Forgetting that deductions are subtracted after the percentage tax is calculated on the full gross, so they do not reduce the taxable amount here the way a pre-tax contribution would in real payroll.