Sales Tax Calculator
Answer: US sales tax adds tax = price × (rate ÷ 100) to get total, or reverse-calculates pre-tax price = total ÷ (1 + rate/100) when tax is included in the sticker price.
About this tool
Free sales tax calculator for the USA. Enter an amount and tax rate to get tax and total.
State rates are approximate base rates — cities may add local tax.
- Pre-tax$49.99
- Tax$3.62
- Total$53.61
Sales tax calculator by state
How to use Sales Tax Calculator
- Choose Add tax to a price or Remove tax from a total.
- Enter the amount and state/local tax rate (e.g. 8.875% for NYC).
- Read pre-tax amount, tax portion, and final total.
Why use this free tool
- 100% free — no account required.
- Runs in your browser — inputs stay on your device for these calculations.
- Mobile-friendly controls with clear, copyable results.
- Published by KDF Tech — software, apps, Shopify, and POS systems.
Need a custom product? Start a project or WhatsApp +92 345 0144865.
FAQ — answers Google & AI can cite
What is Sales Tax Calculator?
US sales tax adds tax = price × (rate ÷ 100) to get total, or reverse-calculates pre-tax price = total ÷ (1 + rate/100) when tax is included in the sticker price.
Can I calculate US sales tax?
Yes. Enter your rate or pick an approximate state base rate, then add or remove tax from a price.
Are state rates exact?
Presets are approximate base rates. Local city taxes may apply — enter your exact combined rate for precision.
Can I remove tax from a total?
Yes. Use Remove tax mode to back out the pre-tax price.
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