Sales Tax & VAT Calculator
Add or remove sales tax / VAT from any price. Enter an amount and rate to instantly see the net price, tax amount, and gross total, with your choice of rounding.
Input
Calculation direction
$
Tax rate
%
Rounding (tax amount decimals)
Round down
Result
Tax-included total (rate 10%)
$1,100.00
Tax-excluded
$1,000.00
Tax amount
$100.00
Tax-included
$1,100.00
How it works
- Tax-excluded → tax-included: the entered net price is multiplied by the tax rate to get the tax amount, which is then added to the net price for the gross total.
- Tax-included → tax-excluded: the gross price is divided by (1 + rate) to recover the net price, and the difference is shown as the tax amount.
- Tax rates vary widely by country and region (for example, many countries apply a standard VAT plus a reduced rate for essentials). Use the preset buttons or enter any custom rate that applies to you.
- The rounding option controls how the tax amount's fractional part is handled: round down, round half up, or round up. Real invoices may use different rounding rules per merchant or jurisdiction.
- Displayed amounts are rounded estimates. Official invoiced or remitted tax may differ depending on transaction terms and local rounding rules.
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Sales Tax & VAT Calculator