Add or remove sales tax from any amount — US state presets, custom rates, and instant totals. This Sales Tax Calculator is part of our free productivity tools collection on freetoolstouse. It runs entirely in your browser, so your files and inputs stay on your device unless the tool explicitly performs a network check (for example DNS or SSL lookups). There is no signup, no watermark, and no usage cap. Use it whenever you need a fast, accurate result without installing software.
Add or remove sales tax from any amount — US state presets, custom rates, and instant totals.
US state presets show approximate base rates only. Actual sales tax can include local surcharges — confirm the rate for your location before filing or checkout.
