Calculators

Sales Tax and VAT Calculator

Add a user-entered tax rate to a net price or extract included tax from a gross price.

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Result

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How to use Sales Tax and VAT Calculator

For a net price, gross = net × (1 + rate). For a tax-inclusive price, net = gross ÷ (1 + rate); tax is gross minus net.

One user-entered percentage, from 0–1,000%, is applied uniformly. No tax-rate lookup, exemptions, compound taxes, jurisdictional rounding, or legal eligibility determination.
Decimal inputs have at most 120 characters and magnitude from 1e-100 to 1e15, or zero. Floating-point results are rounded to 12 significant digits; extreme derived results may underflow or be rejected. Exact integer results are identified separately.
Educational estimate with user-entered assumptions, not a quote or financial/tax advice. Rates are hypothetical, fixed, and not fetched. Fees, taxes, inflation, payment-day conventions, and currency rules are excluded unless explicitly entered.

What calculation does Sales Tax and VAT Calculator perform?

For a net price, gross = net × (1 + rate). For a tax-inclusive price, net = gross ÷ (1 + rate); tax is gross minus net.

Why is removing 20% VAT not the same as subtracting 20%?

A gross price of 120 at a 20% rate contains 20 tax on 100 net. Divide by 1.2 to recover the net price.

Find a discounted price, savings, and an optional tax estimate applied after the discount.

Calculate a gratuity and split the combined bill evenly across a whole-number party size.

Calculate a percentage of any amount, then see the totals after adding or subtracting that percentage.

Inspect exact invoice bases, per-line or per-rate tax rounding, and a discrepancy against your entered total.