Sales Tax Calculator
Calculate sales tax and total price instantly.
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How It Works
Sales tax is a consumption tax added to the price of goods and services. In the US, rates vary by state and sometimes by city or county — from 0% in states like Oregon and Montana to over 10% in some localities. Canada uses GST/HST/PST depending on the province.
Add tax to price calculates the tax on a pre-tax subtotal: tax = price × rate, total = price + tax. Extract tax from total works backwards from a tax-inclusive price: subtotal = total ÷ (1 + rate), tax = total − subtotal.