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Finance
Sales Tax Calculator
Add or extract sales tax from a price
Runs locally in your browser
Parameters
Results
- Sales tax
- $8.25
- Total with tax
- $108.25
US sales tax varies by state, county, and city. Enter your combined local rate.
How it works
Add sales tax to a price or extract tax from a tax-inclusive total.
Who it's for: Shoppers, small business owners, and anyone calculating US sales tax.
Add tax mode: computes tax owed and total with tax on a pre-tax amount.
Extract tax mode: backs out pre-tax price and tax from a tax-included total.
Supports common US combined rates or enter your local rate.
How to use
- Enter Amount in dollars.
- Select Tax rate — pick a preset or use your combined local rate.
- Choose Mode: Add tax or Extract tax.
- Read Sales tax and either Total with tax or Pre-tax amount.
Good to know
- US sales tax varies by state, county, and city — use your actual combined rate for accuracy.