How do you calculate tax backwards?

Sales Tax & VAT Calculator

Calculate gross price, net price, and tax amounts with forward (add tax) and reverse (extract tax) modes.

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Net Amount (Before Tax)

Tax Rate (%)

Preset Rates:

Net Price (Without Tax)$100.00

Tax Amount (10%)$10.00

Total Gross Price (With Tax)$110.00

Select Add Tax (Exclusive → Inclusive) or Extract Tax (Inclusive → Exclusive).

Input price amount and tax rate percentage.

See net price, tax amount, and total gross price.

Two-way calculation: Add tax or reverse-calculate net price from total

Preset tax rate shortcuts (5%, 8%, 10%, 12%, 18%, 20%)

Clear metric cards showing net, tax, and gross totals

100% offline client-side calculation

Everything you need to know about this tool and data privacy.

To extract tax: Net Price = Gross Total ÷ (1 + Tax Rate ÷ 100), and Tax Amount = Gross Total - Net Price.

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