Business Calculators
Sales Tax Calculator
Add or remove sales tax from a price and see the net, tax and gross amounts separately.
Gross amount
$270.63
- Net amount
- $250.00
- Tax
- $20.63
How this calculator works
Gross = net × (1 + rate); net = gross ÷ (1 + rate)
- rate
- the applicable sales tax or VAT rate
Example calculation
Illustrative example — not advice
Worked example — the sales tax calculator as it loads, using the default figures below.
- 01Enter amount: $250.
- 02Enter tax rate: 8.25%.
- 03Enter calculation: Add tax to a net price.
- 04Read the gross amount from the results panel: $270.63.
Gross amount: $270.63. Net amount: $250.00. Tax: $20.63.
These figures come straight from the calculator above running on the values listed, so you can retype them and confirm every number yourself. Change any input and the results update immediately. Illustrative only — not a quote, offer or recommendation.
Important considerations
- Rates vary by jurisdiction and sometimes by product category.
- Registered businesses may recover input tax, which changes the true cost.
Related calculators
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- Discount CalculatorDiscounted price and the margin it costs.
- Profit Margin CalculatorGross, operating and net margin from your numbers.
- Vehicle Sales Tax CalculatorTax and fees on a vehicle purchase.
- Business Loan CalculatorRepayments and total cost on a business term loan.
- Break-Even CalculatorUnits and revenue needed to break even.
Terms used here
Frequently asked questions
Why can't I just subtract the rate from a gross price?
Tax is charged on the net amount, so you divide by 1 plus the rate rather than subtracting it.
Disclaimer
Legamoney calculators are educational tools. Results are estimates based on the figures you enter and do not constitute financial, tax or legal advice.
Last reviewed 2026-08-01