VAT and sales tax calculator

Add or extract tax for a quantity of items, with explicit rounding per unit or for the whole amount.

Online VAT and sales tax calculator

Use this calculator to add VAT or sales tax to a net amount, or to split a tax-included price into net amount and tax amount.

The calculation is generic and informational; check local tax rules and rounding policies before using results in accounting documents.

Quick start

Add or extract tax for multiple items and choose how the tax is rounded.

Enter unit price, quantity and your tax rate
Choose inclusive or exclusive tax and rounding
Calculate and export unit and total amounts

✓ Use the calculator to turn input values into a clear, repeatable result.

✓ Keep units and assumptions visible so the calculation can be checked later.

✓ Copy the result or key numbers for reports, messages or spreadsheets.

✓ Reset to defaults when you want to compare another scenario from a clean state.

✓ Calculators run in the browser and are useful for quick estimates before formal checks.

✓ For finance, health, engineering or legal decisions, verify important results with a specialist or official source.

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VAT and sales tax calculator