Calculate tax on any amount instantly — enter a pre-tax or post-tax value and your tax rate to find the tax amount and total.
Enter your figures and click Calculate to see your results.
Enter the amount and tax rate, then choose whether to add tax on top or remove it from an inclusive price.
Press the Calculate button. All results appear instantly — no page reload needed.
Your results are shown in a clear summary card. Use the Copy button to grab the result or Download to save a text report.
Adding tax multiplies your base amount by (1 + tax rate). Removing tax (reverse calculation) divides a tax-inclusive price by (1 + tax rate) to find the pre-tax base price.
Yes — enter your taxable income and your marginal tax rate to calculate the tax amount. Note that most income tax systems use progressive bands, so you may need to calculate each band separately.
No — it works with any currency. Simply enter the amount in your local currency and apply your local tax rate.
A reverse (or extract) calculation finds the pre-tax price when you only know the tax-inclusive total. For example, if you paid $120 including 20% tax, the pre-tax price was $100.
Yes — completely free to use with no login, no sign-up and no usage limits.
Yes. All calculations happen entirely in your browser using JavaScript. No figures are ever sent to any server or stored.
