Sales Tax Calculator
US prices are quoted before tax and VAT prices after it, which is why working backwards from a total is such a common need at bookkeeping time. This does both directions and shows the three numbers that matter.
🛡️ Runs on your device — nothing is uploaded
More options
Results update as you type — nothing else to press.
How it works
- Type the amount.
- Set your local rate.
- Choose whether to add tax or extract it from a total.
Good to know
FormatsAny currency and rate
- Working out the real cost of a purchase
- Pulling the tax out of a receipt for bookkeeping
- Quoting a customer an all-in price
Questions
What rate should I use?
US sales tax is set locally — your city and county rate combined. California runs about 7.25–10.75%; check your own jurisdiction.
How does working backwards work?
Divide the total by 1 plus the rate. At 8.75%, a $108.75 total means $100 before tax and $8.75 of tax.
Does it handle VAT?
Yes — VAT is included in displayed prices, so use the extract mode with your VAT rate.
🔒 Processed entirely in your browser — nothing is uploaded, nothing is stored.