Main Calculator
US Sales Tax Calculator
Direct Answer
This US sales tax calculator is the primary tool page. Enter an amount and ZIP code to estimate state tax, local tax, total tax, and final amount without reloading the page.
Instant Calculator
Calculate Sales Tax
Beverly Hills, California combined rate
9.5%
Example ZIP-level estimate for Beverly Hills, California.
- State tax
- $7.25
- Local tax
- $2.25
- Total tax
- $9.50
- Final amount
- $109.50
Calculation Method
The calculator validates a five-digit ZIP code, finds the matching rate record, then computes state tax and local tax separately. Total tax is the sum of those two values. Final amount is the taxable subtotal plus total tax. Local tax can include city sales tax, county sales tax, or district layers. If the location is unclear, review how sales tax by ZIP code differs from address-level tax lookup.
Input And Output Checklist
- Inputs
- Taxable amount and five-digit US ZIP code.
- Outputs
- State tax, local tax, total tax, and final amount.
Where To Go After Calculation
If the number is the only thing you need, the calculator is enough. If you need to know why the ZIP code matters, whether an online seller should collect sales tax, or which sales tax rule changes the result, use the related topics below.
FAQ
Sales Tax Questions
How do I calculate sales tax in the USA?+
Enter the taxable amount and ZIP code. The calculator applies the matching state and local rate, then shows total tax and final amount.
Does ZIP code determine sales tax?+
ZIP code is a practical way to estimate local sales tax, but exact tax filing should use authoritative jurisdiction data.
What is the difference between state tax and local tax?+
State tax is set at the state level. Local tax can be added by cities, counties, transit districts, or special districts.
What amount should I enter in the sales tax calculator?+
Enter the taxable subtotal before sales tax. Do not include shipping, discounts, fees, or exempt items unless they are taxable for the state and transaction.
Is sales tax added before or after discounts?+
Sales tax is usually calculated after eligible discounts reduce the taxable price, but coupon and rebate treatment can vary by state.
Can I calculate sales tax backwards from a final price?+
Yes. Use the reverse sales tax calculator when you know the final tax-included price and need to estimate the pre-tax amount and embedded tax.
Why is my local sales tax different from the state rate?+
Local jurisdictions can add city, county, transit, district, or special-purpose taxes on top of the statewide rate.
Does the calculator include exemptions?+
No. It estimates rate-based tax. Exemptions for products, buyers, resale, nonprofits, or tax holidays should be checked separately.
Can businesses use this calculator for invoices?+
Businesses can use it for estimates and quote planning, but invoice tax should be verified with official rate data before collection or filing.
Related Tools
Use these pages to verify rate logic, ZIP accuracy, ecommerce obligations, and state-level data before relying on an estimate.