Sales Tax Calculator
Add or extract sales tax (US states + custom)
About this tool
Formula
How to use
- 1 Pick a mode: add tax to a price, or extract tax from a total.
- 2 Enter the amount.
- 3 Pick a state preset (or type a custom rate).
- 4 Pre-tax, tax, and total all update instantly.
Examples
| $100 + CA (7.25%) | $7.25 tax → $107.25 total |
| $200 + NY base (4.0%) | $8.00 tax → $208.00 total |
| Extract tax from $107.25 at 7.25% | $7.25 tax, $100.00 pre-tax |
| $50 + no-tax state | $0.00 tax → $50.00 total |
Frequently asked questions
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Sales Tax Calculator
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