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Sales Tax Calculator (USA)
Calculate sales tax for any US state quickly and accurately. Sales tax rates vary by state, county, and city, so our calculator lets you enter a custom rate. Whether you are pricing products, preparing invoices, or verifying receipts, this free tool gives you instant results showing subtotal, tax amount, and final total.
What is Sales Tax?
Sales tax is a consumption tax in the United States charged when customers purchase goods or certain services. Businesses collect the tax and send it to the state government.
The USA does not have a national sales tax. Each state sets its own rates and rules.
When Does Sales Tax Apply?
- Selling physical products
- Operating an online store
- Having business nexus in a state
- High sales volume in a state
Typical State Tax Rates
| State | Typical Rate |
|---|---|
| California | ~7.25%+ |
| Texas | ~6.25% |
| New York | ~4% + local |
| Florida | ~6% |
State vs Local Tax
Sales tax includes state tax and local city/county tax.
Example:
Texas: 6.25%
City: 2%
Total: 8.25%
Real Invoice Example
Product price: $100
Tax (8%): $8
Total: $108
Who Must Collect Sales Tax?
- Shopify sellers
- Amazon/Etsy sellers
- Businesses with US inventory
- Businesses with economic nexus
Late Filing Penalties
- Fines
- Interest
- License suspension
Filing Returns
Businesses must register for a sales tax permit, collect tax, and file monthly or quarterly returns for each state.
Sales Tax Rules for SaaS & Freelancers
- Physical goods → taxable
- Services → state dependent
- SaaS → taxable in many states (NY, TX, WA, PA)
Common Mistakes
- Ignoring nexus
- Wrong tax rate
- Not filing returns
How to Use This Sales Tax Calculator
- Enter the amount (subtotal or total).
- Select whether to Add Tax or Remove Tax.
- Enter your state or local sales tax rate.
- View the subtotal, tax amount, and total instantly.
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Frequently Asked Questions
What is sales tax?
Sales tax is a consumption tax imposed by state and local governments on the sale of goods and services. Rates vary by location in the United States.
Which US states have no sales tax?
Five states have no statewide sales tax: Alaska, Delaware, Montana, New Hampshire, and Oregon. However, some localities in Alaska do charge sales tax.
Does USA have national sales tax?
No, the United States does not have a national sales tax. Sales tax is determined and collected at the state and local levels.
How do I calculate sales tax?
Multiply the purchase price by the sales tax rate (as a decimal). For example, $100 × 0.0725 = $7.25 tax for a 7.25% rate.
Are services taxable?
It depends on the state. Some states tax certain services while others do not.
Are digital products taxable?
Yes, in many states digital products such as software, downloads, and subscriptions are taxable.
How often do I need to file sales tax?
Sales tax returns are typically filed monthly or quarterly depending on your state and sales volume.
What happens if I don’t collect sales tax?
You may still be required to pay the tax yourself along with penalties and interest.
Do I need a sales tax permit?
Yes, you must obtain a sales tax permit from the state before collecting sales tax.
Is sales tax the same as VAT?
No, sales tax is collected only at the final sale, while VAT is collected at multiple stages of production and distribution.
Can marketplaces collect sales tax for me?
Sometimes. Under marketplace facilitator laws, platforms like Amazon or Etsy may collect and remit tax on your behalf in certain states.
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