Sales Tax Calculator

Calculate sales tax for single or multiple items. Choose between tax-exclusive and tax-inclusive modes.

Enter Sale Details

Fill in the fields below to calculate

Tax Rate

Add Multiple Items

Cart Items

Enter your details above and tap Calculate Tax to see the breakdown.

Step-by-step Solution

Tax Formulas

Tax = Price × Rate ÷ 100
Total = Price + Tax

Tax Inclusive:
Tax = Gross − (Gross ÷ (1 + Rate ÷ 100))

Tax Exclusive: Add tax to base price
Tax Inclusive: Price already includes tax

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Pro Tips

Tax-exclusive is used when pricing doesn't include tax (retail/wholesale).

Tax-inclusive is common in consumer pricing (final shelf price).

U.S. sales tax rates vary by state: 0% (OR, NH, MT, DE, AK) to 10%+ combined rate.