Sales Tax Calculator by State
Calculate sales tax online from a price and US state, estimate the total with tax, or reverse a tax-included total. Use the local rate field when you need city, county, or ZIP-level precision.
State rates are built in. Local taxes vary, so the result is a planning estimate until you confirm the exact local rate.
Enter a price and state to calculate tax amount, total with tax, and the combined rate.
Choose any US state to estimate the state rate plus an average local baseline.
Use the total and rate to reverse-calculate the pre-tax amount when tax is already included.
Enter a city or ZIP label, then add the exact local rate when you need location precision.
Used to label the result; enter the exact local rate below for precision.
State average local rate: 1.6%
Sales tax = amount x (state rate + local rate). The calculator uses the statewide base rate plus an average local baseline unless you provide an override. Rates can differ by city, county, district, product, and taxability.
| State | State | Avg. local |
|---|---|---|
| Alabama | 4.00% | 5.29% |
| Alaska | 0.00% | 1.82% |
| Arizona | 5.60% | 2.80% |
| Arkansas | 6.50% | 2.95% |
| California | 7.25% | 1.60% |
| Colorado | 2.90% | 4.91% |
| Connecticut | 6.35% | 0.00% |
| Delaware | 0.00% | 0.00% |
| District of Columbia | 6.00% | 0.00% |
| Florida | 6.00% | 1.02% |
| Georgia | 4.00% | 3.39% |
| Hawaii | 4.00% | 0.50% |
| Idaho | 6.00% | 0.03% |
| Illinois | 6.25% | 2.61% |
| Indiana | 7.00% | 0.00% |
| Iowa | 6.00% | 0.94% |
| Kansas | 6.50% | 2.25% |
| Kentucky | 6.00% | 0.00% |
| Louisiana | 4.45% | 5.11% |
| Maine | 5.50% | 0.00% |
| Maryland | 6.00% | 0.00% |
| Massachusetts | 6.25% | 0.00% |
| Michigan | 6.00% | 0.00% |
| Minnesota | 6.88% | 1.06% |
| Mississippi | 7.00% | 0.06% |
| Missouri | 4.23% | 4.14% |
| Montana | 0.00% | 0.00% |
| Nebraska | 5.50% | 1.47% |
| Nevada | 6.85% | 1.39% |
| New Hampshire | 0.00% | 0.00% |
| New Jersey | 6.63% | 0.00% |
| New Mexico | 4.88% | 2.75% |
| New York | 4.00% | 4.53% |
| North Carolina | 4.75% | 2.25% |
| North Dakota | 5.00% | 2.04% |
| Ohio | 5.75% | 1.49% |
| Oklahoma | 4.50% | 4.49% |
| Oregon | 0.00% | 0.00% |
| Pennsylvania | 6.00% | 0.34% |
| Rhode Island | 7.00% | 0.00% |
| South Carolina | 6.00% | 1.50% |
| South Dakota | 4.20% | 1.91% |
| Tennessee | 7.00% | 2.55% |
| Texas | 6.25% | 1.95% |
| Utah | 6.10% | 1.15% |
| Vermont | 6.00% | 0.36% |
| Virginia | 5.30% | 0.47% |
| Washington | 6.50% | 2.88% |
| West Virginia | 6.00% | 0.57% |
| Wisconsin | 5.00% | 0.70% |
| Wyoming | 4.00% | 1.44% |
on $0.00 in California
Local rates vary by city and district. Confirm the exact rate and product taxability with the relevant state revenue department before filing.
Track tax on every invoice
Eonebill applies the right rate per client and totals it for you at quarter end.
Calculate sales tax, total price, or pre-tax amount
Sales tax equals taxable price multiplied by the applicable rate. This free online sales tax calculator adds tax to a price, removes tax from a tax-included total, and compares state-level US rates before local city, county, or district adjustments.
US state sales tax rates used by this calculator
Use the table below as a state-level sales tax rate reference. The calculator applies these rates to your amount, then shows the tax and total. Local rates may still change the final checkout or invoice amount.
Understanding US Sales Tax: A Freelancer's Guide
Sales tax is a consumption tax imposed on the sale of goods and services. Unlike income tax, it's paid by consumers at the point of purchase and collected by businesses on behalf of states.
State vs. Local Tax: This calculator uses state-level rates only. Most states allow cities, counties, and special districts to add their own taxes on top of the state rate. For example, Chicago has a combined rate of 10.25% while the California state rate is 7.25% but can exceed 10% in some cities.
Tax Nexus: If your business has a "nexus" (physical presence, employees, or significant sales) in a state, you may be required to collect sales tax there. The 2018 Wayfair decision expanded nexus rules to include economic activity, meaning many online sellers now owe taxes in states where they have significant sales even without a physical presence.
Exemptions: Many states exempt necessities like groceries, prescription medicine, and clothing from sales tax. Some states also have exemption certificates for resellers who purchase goods for resale rather than personal use.
Use Tax: If you purchase goods from an out-of-state seller who doesn't collect tax, you may owe "use tax" to your state. This is essentially the same as sales tax but paid by the buyer directly to the state.
Frequently Asked Questions
How is sales tax calculated in the US?
Sales tax is calculated by multiplying the pre-tax price by the applicable tax rate. For example, a $100 purchase in California (7.25% state rate) would have $7.25 in sales tax, totaling $107.25. Note that actual rates may be higher due to local/city/county taxes.
How do I calculate sales tax on a calculator?
Convert the sales tax rate to a decimal, multiply it by the pre-tax price, then add the result to the original price. For example, rate as decimal times price equals tax amount, and price plus tax amount equals total.
Is this sales tax calculator free?
Yes. This is a free sales tax calculator. Enter an amount, choose a state, and calculate the state-level tax amount and total without signup.
What is the formula for a sales tax calculator?
For tax-exclusive pricing, sales tax equals the pre-tax price multiplied by the tax rate. Total price equals pre-tax price plus sales tax. For tax-included pricing, divide the total by 1 plus the tax rate to find the pre-tax amount.
Is this a state sales tax calculator?
Yes. This tool calculates state-level sales tax for all 50 US states plus the District of Columbia. Local city, county, and district taxes may still apply, so use the result as a state-rate baseline.
Is this a US sales tax calculator?
Yes. The calculator covers state-level sales tax rates for all 50 US states and the District of Columbia. It is designed for US sales tax estimates, invoices, receipts, and checkout totals.
Can I use this as an online sales tax rate calculator?
Yes. Select a state, enter the amount, and the calculator returns the state tax rate, tax amount, and total. It can also reverse-calculate the pre-tax amount from a tax-included total.
Can this calculator find sales tax by ZIP code or address?
No. This calculator uses state-level rates only. ZIP-code and address-level sales tax can include county, city, and special district rates, so verify the exact local rate with the state revenue department or a sales tax automation provider.
Which US states have no sales tax?
Five states have no state-level sales tax: Delaware, Montana, New Hampshire, Oregon, and Alaska (though Alaska allows local taxes). These states rely on other forms of taxation like income or property taxes.
What is the difference between gross and net sales tax?
Gross sales tax is the total tax collected. Net sales tax is what you keep after subtracting the tax you paid on items purchased for resale (tax paid to suppliers). Businesses that resell goods can often claim a tax exemption or credit for taxes paid on inventory.
Do I need to collect sales tax as a freelancer or small business?
It depends on your state and your sales volume. Most states require collection once you exceed a certain threshold (often $100,000 in sales or 200 transactions). Some states also tax specific services. Always check your state's nexus requirements and consult a tax professional.
What is tax-included vs. tax-excluded pricing?
Tax-included pricing means the advertised price already contains the tax (common in some countries). Tax-excluded pricing (more common in the US) means tax is added at checkout. This calculator supports both directions: add tax to a base price, or reverse-calculate the pre-tax amount from a total.
What is economic nexus and how does it affect online sellers?
Economic nexus is the obligation to collect sales tax in a state where you have no physical presence but exceed a sales threshold. After the 2018 Supreme Court ruling in South Dakota v. Wayfair, every state with a sales tax now imposes economic nexus. The most common threshold is 100,000 dollars in annual sales or 200 transactions into that state, though limits vary by state. Online sellers should monitor sales by destination state and register once they cross a threshold.
Are services subject to sales tax?
It depends on the state and the service category. Most states tax tangible personal property by default but exempt most services, while states like Hawaii, New Mexico, and South Dakota tax most services. Common taxable services across many states include landscaping, dry cleaning, parking, hotel stays, and digital services. Always check the specific state revenue department guidance for your service category before deciding whether to collect tax.
How often do I need to file sales tax returns?
Filing frequency is set by each state based on your tax volume. New registrants typically start at quarterly filings; high-volume sellers are reassigned to monthly; very small sellers may qualify for annual filings. Late filings trigger penalties and interest even when no tax is owed, so put each due date on your calendar and consider an automated solution if you sell into multiple states.
What Is Sales Tax?
Sales tax is a consumption tax that the seller collects from the buyer at the point of sale and remits to the state and local government. In the United States, 45 states plus the District of Columbia impose a statewide sales tax, ranging from 2.9 percent in Colorado to 7.25 percent in California. Five states — Alaska, Delaware, Montana, New Hampshire, and Oregon — have no statewide sales tax, though Alaska allows local jurisdictions to charge their own.
On top of the state rate, most states allow counties, cities, and special districts to add local sales tax. In Tennessee, for example, the combined state-plus-local rate can exceed 9.75 percent, while in some Alaskan boroughs the effective rate is zero. The total rate you charge a customer depends on the destination of the sale (for shipping) or the origin of the sale (for in-person), depending on which sourcing rule your state uses. Failure to collect the correct rate is one of the most common audit triggers for small e-commerce sellers.
How to Calculate Sales Tax
The basic formula is straightforward, but the application gets complex once nexus, exemptions, and origin-vs-destination sourcing enter the picture. Use this five-step process:
- Identify the taxable amount. Start with the pre-tax sale price. Exclude items the state exempts — most commonly unprepared groceries, prescription drugs, and most professional services.
- Determine the applicable rate. Use the destination address for shipped goods in destination-based states (the majority), or the seller location for origin-based states (Texas, Pennsylvania, Virginia, and a few others). The total rate is state plus county plus city plus special district combined.
- Multiply. Tax owed equals taxable amount times the combined rate. A 100 dollar sale at a 7.25 percent rate creates 7.25 dollars in sales tax; the total invoice is 107.25 dollars. Round to the nearest cent using the rounding rule your state requires.
- Apply resale exemptions. If your customer provides a valid resale certificate, collect no sales tax — they will collect it from the final consumer. Keep a signed copy of the certificate on file for at least four years for audit purposes.
- Track economic nexus and file on schedule. Monitor sales into every state and register when you cross a nexus threshold. Most states require monthly or quarterly filings; the largest sellers file monthly. Late filings trigger penalties even when no tax is owed.
The calculator above gives you the state-level rate only. For an exact figure including local jurisdictions, look up the destination ZIP code on your state department of revenue website or use a dedicated sales tax automation platform.
Important Notice — Not Tax Advice
This sales tax calculation tool is provided for informational and educational purposes only and does not constitute legal, tax, financial, or professional advice. Results are estimates based on the inputs you provide and current published rates, which may change without notice.
Tax laws vary by federal, state, and local jurisdiction and may not reflect your individual situation. Eonebill makes no warranty as to the accuracy, completeness, or applicability of any output and is not responsible for any decisions made based on this tool.
Before filing any tax form, claiming a deduction, or making a financial decision, consult a qualified tax professional, CPA, or licensed attorney. For official guidance, visit IRS.gov or your state's department of revenue.
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