October 9, 2026 · Daniel Ali
CALIFORNIA TAX TOOL
California Reverse Sales Tax Calculator
Find the price before tax when you know the final amount. Choose a California city or county, or enter the rate shown on your receipt.
YOUR ESTIMATED BREAKDOWNReady when you are
Price before tax—Estimated pre-tax amount
- Final price
- —
- Sales tax included
- —
- Applied tax rate
- —
- Location
- Not selected
- Rate source
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Formula: pre-tax price = final price ÷ (1 + tax rate ÷ 100).
Estimate only. A receipt may include nontaxable items, discounts, fees, mixed tax treatment, or a different applied rate.
Official reference: CDTFA city and county sales tax rates. The site administrator has not imported a rate dataset yet; location-based rates will become available after import.