Sales Tax Calculator
Add sales tax to a price at any rate, with the tax amount and total shown separately.
Add sales tax
Frequently Asked Questions
Amount times rate. Sales tax varies by state, county and city, and some goods are exempt, so the rate is a field.
Use your own, for a period you can actually measure. A calculator like this is only as good as the inputs, and the most common error is using a number that covers a different period or a different set of costs.
No. Everything is worked out in your browser and nothing is sent anywhere or saved.
We do not publish one, deliberately. Benchmarks for these measures vary enormously by sector, stage and how each company defines the inputs, so a number quoted without those definitions tends to mislead more than it helps.