Everyday money
Sales Tax Calculator
A $100 purchase in California picks up about $9 in sales tax, so you pay $109 at the register. Rates vary a lot by state, and five states add nothing at all.
These are average combined state and local rates. Your exact rate depends on your city and county, so treat this as close, not exact.
$109
total on a $100 purchase in California
Price$100
Sales tax (8.85%)+$9
Total$109
2025 average rates
Highest combined rates
| State | Average combined rate |
|---|---|
| Louisiana | 9.56% |
| Tennessee | 9.55% |
| Arkansas | 9.45% |
| Washington | 9.38% |
| Alabama | 9.29% |
No statewide sales tax: Alaska, Delaware, Montana, New Hampshire, Oregon. Rates shown are average combined state and local, so your city may differ. Not tax advice.
Common questions
Which states have no sales tax?
Alaska, Delaware, Montana, New Hampshire and Oregon charge no statewide sales tax. Alaska lets towns add their own, so a few places there still charge a bit.
How do I add sales tax to a price?
Multiply the price by the rate to get the tax, then add it on. At 8.85%, a $100 item costs $8.85 in tax and $108.85 in total.