45
states + DC that levy a statewide sales tax (5 states = 0%)
6.6%
Average combined state + local sales tax rate in the US (2025)
9.75%
Highest combined sales tax in the US — Tennessee cities
$482B
Annual state + local sales tax revenue collected in the US
About This Sales Tax Calculator
The most comprehensive free sales tax calculator — covering all 50 states, forward and reverse tax, and bulk item calculation.
About This Sales Tax Calculator
The EmergencyFundCalculator.com Sales Tax Calculator covers three essential sales tax scenarios: Forward tax (add tax to a pre-tax price), Reverse tax (find the pre-tax price from a total amount paid), and Bulk items (calculate tax on a shopping list of multiple items at once).
State rates are updated for 2025 using combined state + average local rate data from the Tax Foundation. Because local rates vary widely within each state, you can always override with a custom rate for your specific city.
All calculations run entirely in your browser. No data transmitted or stored. 100% private.
What Is Sales Tax? A Complete Guide
Sales tax is the most visible tax most Americans pay daily — yet many people don't fully understand how it works.
Sales Tax Explained
Sales tax is a consumption tax levied on the retail sale of goods and, increasingly, services. It is collected by the seller at the point of sale and remitted to the state and/or local government. Unlike income tax (which is deducted from wages) or property tax (paid annually), sales tax is collected transaction by transaction — every time you buy a qualifying product.
In the United States, there is no federal sales tax. Sales tax is administered entirely at the state and local level, making it one of the most variable taxes in the country. Rates range from 0% (in 5 states) to combined rates exceeding 9% in some localities.
The Three Layers of US Sales Tax
State sales tax: A uniform rate set by the state legislature, applying throughout the state. California's 7.25% base rate, Texas's 6.25%, New York's 4% state-only rate. This is the floor — local taxes add on top.
County/parish sales tax: Additional percentage levied by the county or parish government. Often 0.5%–2%. In Louisiana, parishes have significant autonomy and sometimes levy rates higher than the state itself.
City/municipal sales tax: Additional percentage levied by incorporated cities. New York City adds 4.5% on top of NY state's 4% — bringing NYC's combined rate to 8.875%. Chicago adds 1.25% on top of Illinois state and Cook County rates, pushing it toward 10.25%.
Sales Tax vs. VAT (Value-Added Tax)
Most countries outside the US use a Value-Added Tax (VAT) instead of sales tax. Key differences:
| Feature | US Sales Tax | VAT (Europe, etc.) |
|---|
| When applied | Only at final retail sale | At every stage of production/distribution |
| Who pays to government | Retailer collects and remits | Each business in the chain remits |
| Price display | Usually shown separately (price + tax) | Usually included in listed price |
| Typical rate | 0%–10.25% | 10%–25% |
| US federal equivalent | None exists | N/A in the US |
How to Calculate Sales Tax — All Three Methods
Forward, reverse, and effective rate calculations — with clear formulas and worked examples.
Sales Tax Formulas with Examples
Method 1: Forward Tax (Adding Tax to Price)
Use when you know the pre-tax price and want to find the total you'll pay.
Sales Tax Amount = Pre-Tax Price × (Tax Rate ÷ 100)
Total Price = Pre-Tax Price + Sales Tax Amount
Example: $75.00 item in Texas (combined rate ~8.25%)
Tax amount = $75.00 × 0.0825 = $6.19
Total price = $75.00 + $6.19 = $81.19
Multiple items: multiply per-item subtotal first, then apply tax
Item A: $25.00
Item B: $38.50
Subtotal: $63.50
Tax (8.25%): $63.50 × 0.0825 = $5.24
Total: $68.74
Method 2: Reverse Tax (Removing Tax from Total)
Use when you paid a total amount (tax included) and want to find the original pre-tax price.
Pre-Tax Price = Total Paid ÷ (1 + Tax Rate ÷ 100)
Tax Amount = Total Paid − Pre-Tax Price
Example: Paid $108.50 total, tax rate 8.5%
Pre-tax price = $108.50 ÷ 1.085 = $100.00
Tax amount = $108.50 − $100.00 = $8.50
⚠️ Common mistake: DO NOT divide tax rate by the total price.
Wrong: $108.50 × 0.085 = $9.22 (incorrect!)
Right: $108.50 ÷ 1.085 = $100.00 pre-tax (correct)
Method 3: Finding the Tax Rate from a Receipt
Tax Rate % = (Tax Amount ÷ Pre-Tax Price) × 100
Example: Receipt shows $8.50 tax on $100.00 item
Rate = ($8.50 ÷ $100.00) × 100 = 8.5%
Sales Tax Rates — All 50 States (2025)
State rates, combined rates, and key exemptions — the complete 2025 reference table.
Complete 2025 State Sales Tax Reference
| State | State Rate | Avg Local | Combined Avg | Max Combined |
|---|
| Alaska | 0% | 1.76% | 1.76% | 7.5% |
| Alabama | 4% | 5.22% | 9.22% | 11% |
| Arizona | 5.6% | 2.8% | 8.4% | 11.1% |
| Arkansas | 6.5% | 2.95% | 9.45% | 11.5% |
| California | 7.25% (highest state rate) | 1.57% | 8.82% | 10.75% |
| Colorado | 2.9% | 4.87% | 7.77% | 11.2% |
| Connecticut | 6.35% | 0% | 6.35% | 6.35% |
| Delaware | 0% | 0% | 0% | 0% |
| Florida | 6% | 1.06% | 7.06% | 7.5% |
| Georgia | 4% | 3.35% | 7.35% | 8% |
| Hawaii | 4% | 0.44% | 4.44% | 4.5% |
| Idaho | 6% | 0.03% | 6.03% | 8.5% |
| Illinois | 6.25% | 2.49% | 8.74% | 10.25% |
| Indiana | 7% | 0% | 7% | 7% |
| Iowa | 6% | 0.99% | 6.99% | 7% |
| Kansas | 6.5% | 2.17% | 8.67% | 10.6% |
| Kentucky | 6% | 0% | 6% | 6% |
| Louisiana | 4.45% | 5.11% | 9.56% | 11.45% |
| Maine | 5.5% | 0% | 5.5% | 5.5% |
| Maryland | 6% | 0% | 6% | 6% |
| Massachusetts | 6.25% | 0% | 6.25% | 6.25% |
| Michigan | 6% | 0% | 6% | 6% |
| Minnesota | 6.875% | 0.59% | 7.47% | 8.88% |
| Mississippi | 7% | 0.07% | 7.07% | 8% |
| Montana | 0% | 0% | 0% | 0% |
| Nebraska | 5.5% | 1.44% | 6.94% | 7.5% |
| Nevada | 6.85% | 1.38% | 8.23% | 8.375% |
| New Hampshire | 0% | 0% | 0% | 0% |
| New Jersey | 6.625% | -0.03% | 6.60% | 6.625% |
| New Mexico | 4.875% | 2.68% | 7.55% | 9.0625% |
| New York | 4% | 4.52% | 8.52% | 8.875% (NYC) |
| North Carolina | 4.75% | 2.22% | 6.97% | 7.5% |
| North Dakota | 5% | 1.96% | 6.96% | 8.5% |
| Ohio | 5.75% | 1.48% | 7.23% | 8% |
| Oklahoma | 4.5% | 4.48% | 8.98% | 11% |
| Oregon | 0% | 0% | 0% | 0% |
| Pennsylvania | 6% | 0.34% | 6.34% | 8% |
| Rhode Island | 7% | 0% | 7% | 7% |
| South Carolina | 6% | 1.43% | 7.43% | 9% |
| South Dakota | 4.5% | 1.9% | 6.4% | 7.5% |
| Tennessee | 7% | 2.55% | 9.55% | 9.75% |
| Texas | 6.25% | 1.94% | 8.19% | 8.25% |
| Utah | 4.85% | 2.34% | 7.19% | 9.05% |
| Vermont | 6% | 0.22% | 6.22% | 7% |
| Virginia | 4.3% | 1% | 5.3% | 7% |
| Washington | 6.5% | 2.74% | 9.24% | 10.4% |
| West Virginia | 6% | 0.39% | 6.39% | 7% |
| Wisconsin | 5% | 0.44% | 5.44% | 5.6% |
| Wyoming | 4% | 1.34% | 5.34% | 6% |
Source: Tax Foundation, 2025. Combined rates reflect state + weighted average local rates. Actual rate at your location may differ. Use our calculator's custom rate field to enter your exact city/county rate.
Reverse Sales Tax Calculator — Find the Pre-Tax Price
When you paid the total amount already and need to find the original price — with a clear explanation of why the math is not what most people intuitively think.
Reverse Sales Tax: The Formula Explained
Reverse sales tax answers the question: "I paid $X total including tax — what was the original price before tax?" This comes up constantly when analyzing receipts, reconciling expense reports, or determining a vendor's base price.
The key insight most people miss: you cannot find the pre-tax price by multiplying the total by the tax rate. The tax was applied to the pre-tax price — not to the total. The correct formula divides the total by (1 + rate):
Pre-Tax Price = Total Paid ÷ (1 + Tax Rate as decimal)
✅ Correct: $108.50 ÷ (1 + 0.085) = $108.50 ÷ 1.085 = $100.00
❌ Wrong: $108.50 × 0.085 = $9.22 (this is NOT the tax — it's wrong!)
Verify: $100.00 × 1.085 = $108.50 ✓
More examples:
$54.25 total at 8.5%: $54.25 ÷ 1.085 = $50.00
$322.81 total at 7.25%: $322.81 ÷ 1.0725 = $301.00
$1,069.25 at 9.75%: $1,069.25 ÷ 1.0975 = $974.23
When You Need Reverse Sales Tax
Expense reports: Your company reimburses the pre-tax amount and you pay tax separately — you need the base price on each receipt.
Bookkeeping: Separating sales tax collected from gross sales revenue for accounting and tax filing purposes.
Price comparison: A total price from one state vs. another — removing tax to compare the actual base price.
Negotiation: A quoted "all-in" price — you want to know the pre-tax negotiating figure.
Rebate calculations: Rebates are often calculated on the pre-tax purchase price, not the total paid.
What Is and Isn't Taxed? Sales Tax Exemptions by Category
Exemptions vary dramatically by state — and can save you significant money if you know what to look for.
Common Sales Tax Exemption Categories
| Category | Generally Exempt | Generally Taxed | Varies by State |
|---|
| Groceries / Food | AK, DE, MT, NH, OR (0% overall); NJ, TX (most groceries) | AL, MS, SD, TN, WV | Most states partially exempt — often "prepared food" is taxed |
| Prescription Drugs | Exempt in almost all states | IL (1%), NJ (partial) | Generally very widely exempt nationwide |
| Clothing | MN, NJ, NY (under $110), PA, VT | Most states | Some states exempt below a price threshold |
| Digital Products | Several states haven't updated laws yet | Growing — ~29 states now tax digital downloads | Fastest-changing area; check your state |
| Services | Most services in most states | HI, NM, SD (broad service taxation) | Hair, auto repair, cleaning — state-specific |
| Agricultural Supplies | Most states exempt seeds, feed, fertilizer | Varies on specific items | Farming equipment often exempt |
Sales tax holidays: Many states hold annual "sales tax holidays" — short periods (usually 3 days to 1 week) when certain items (back-to-school supplies, disaster preparedness items, clothing, ENERGY STAR appliances) are temporarily exempt. Florida, Texas, Tennessee, South Carolina, Maryland, Virginia, and many other states run these annually. Check your state's revenue department website each summer.
Sales Tax Calculator FAQ
Frequently Asked Questions
How do I calculate sales tax?
Sales Tax = Price × (Rate ÷ 100). Total = Price + Tax. Example: $50 at 8.5% = $50 × 0.085 = $4.25 tax. Total = $54.25. This calculator does it instantly — just select your state or enter a custom rate.
Which states have no sales tax?
Five states have no statewide sales tax: Alaska, Delaware, Montana, New Hampshire, and Oregon. Alaska allows local municipalities to charge sales tax (up to 7.5%), so some Alaska locations do have local taxes. Delaware, Montana, New Hampshire, and Oregon have zero sales tax at state and local level — select them in the calculator to see $0 tax.
How do I find the price before tax (reverse sales tax)?
Pre-Tax Price = Total Paid ÷ (1 + Tax Rate). Example: Paid $108.50 total at 8.5%: $108.50 ÷ 1.085 = $100.00. Use the Remove Tax tab in this calculator for instant reverse calculation. Important: do NOT multiply the total by the tax rate — that gives the wrong answer.
What is the highest sales tax in the US?
The highest combined state + local sales tax rates are in Tennessee (up to 9.75%), Louisiana (up to 11.45% in some parishes), Alabama (up to 11%), and Arkansas (up to 11.5%). California has the highest statewide base rate at 7.25%, but combined rates in LA County reach 10.25%. Illinois cities like Chicago can reach 10.25% total.
Is there a federal sales tax in the US?
No. There is no federal sales tax in the United States. Sales tax is entirely administered by state and local governments. Each state sets its own rate and rules. This is why rates vary so dramatically from 0% (in 5 states) to 10%+ in some high-tax localities.
Are groceries taxed?
It depends on your state. Most states exempt most grocery food from sales tax. However, Alabama, Mississippi, South Dakota, and a few others fully tax groceries. "Prepared food" (restaurant meals, hot deli items) is taxed in most states even if packaged groceries are exempt. The line between "grocery" and "prepared food" varies by state law. Use the custom rate field if your purchase has a different applicable rate than the state average.
Why is the combined rate different from the state rate?
Most states allow cities, counties, and special districts to add their own local sales tax on top of the state rate. For example, Texas has a 6.25% state rate — but Houston, Dallas, and San Antonio each add up to 2%, bringing the combined rate to 8.25%. This calculator uses the combined state + weighted average local rate, which varies by location within the state. Use the custom rate field to enter your exact combined local rate for maximum accuracy.
Official Sources & Further Reading
Trusted Resources
State rates based on Tax Foundation 2025 data. For exact rates at your specific address, contact your state's revenue department. Rates subject to change.
Partnerships
Features & collaborations welcome.