Tax arithmetic tool
Add sales tax to a price or extract the tax included in a total.
Calculation
$108.00
Free to use · No signup · Calculations run in your browser
Enter the rate that applies to the transaction. The tool performs the arithmetic but does not determine jurisdiction, nexus, exemptions, or product taxability.
Tax-exclusive: total = subtotal × (1 + rate ÷ 100)
At 8%, a pre-tax price of 100 produces 8 in tax and a total of 108.
No. Enter the applicable combined rate after checking the relevant tax authority or adviser.
Choose tax included. The pre-tax amount is the total divided by one plus the tax rate.
VAT arithmetic tool
Calculate net price, VAT amount, and gross price. Add VAT or extract VAT from an inclusive total using any rate.
Freelance pricing tool
Calculate a sustainable freelance hourly, day, and project rate based on income goals, expenses, taxes, time off, and billable hours.
Free invoicing tool
Create professional sequential invoice numbers with custom prefixes, dates, separators, and number padding. Free and no signup required.