After-Tax Profit and Margin Calculator
Calculate the tax, net profit and pre-tax and after-tax profit margins from pre-tax profit.
Calculator
Result
Enter the values and press Calculate to see the result here.
About this tool
Enter your pre-tax profit and the tax rate that applies (corporate tax rate or your effective income tax rate) to see the tax and net profit. With revenue entered, pre-tax and after-tax margins are shown too. Losses are not taxed.
How to use
- Enter pre-tax profit (negative for a loss).
- Enter the tax rate.
- Optionally enter revenue and press Calculate.
Notes
Margins are calculated only when revenue is entered; otherwise 0 is shown.
Frequently asked questions
Net profit = pre-tax profit − pre-tax profit × tax rate / 100.
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Last updated: September 30, 2026