Sales Tax Calculator

Calculate sales tax on any purchase. Find out the total price including tax or reverse-calculate the pre-tax price.

Calculate sales tax and total price on purchases.

About This Calculator

The Sales Tax Calculator is your essential tool for calculating exact costs on any purchase across all 50 U.S. states. Whether you're shopping online, comparing prices between stores in different jurisdictions, or planning a major purchase, this calculator instantly shows you the total price including tax—eliminating checkout surprises and helping you budget accurately.

Sales tax is a consumption tax charged by state and local governments on retail purchases of goods and some services. Unlike income tax which is based on earnings, sales tax is collected at the point of sale and varies dramatically by location—from 0% in tax-free states to over 11% in high-tax jurisdictions. Understanding sales tax rates by state helps you make smarter purchasing decisions and can save you hundreds of dollars annually on major purchases.

The Sales Tax Formula

Sales Tax = Purchase Price × (Tax Rate ÷ 100)
Total Price = Purchase Price + Sales Tax
Reverse Calculation: Pre-Tax Price = Total Price ÷ (1 + Tax Rate as decimal)

Example: $500 purchase at 8.25% tax = $500 × 0.0825 = $41.25 tax. Total = $541.25.

Sales Tax Rates by State: Complete Comparison (2026)

Combined state and average local rates for major U.S. states:

StateState RateAvg LocalCombined RateGroceries Taxed?
California7.25%1.57%8.82%No
Texas6.25%1.94%8.19%No
Florida6.00%1.02%7.02%No
New York4.00%4.52%8.52%No
Illinois6.25%2.57%8.82%1% (reduced)
Pennsylvania6.00%0.34%6.34%No
Washington6.50%2.79%9.29%No
Louisiana4.45%7.00%11.45%Yes (full rate)
Tennessee7.00%2.55%9.55%4% (reduced)
Oregon0%0%0%N/A (no sales tax)
Montana0%0%0%N/A (no sales tax)
Delaware0%0%0%N/A (no sales tax)
New Hampshire0%0%0%N/A (no sales tax)
Alaska0%Yes (up to 7.5%)VariesNo state tax but some local taxes

Shopping tip: If you live near a tax-free state, making major purchases (electronics, appliances, furniture) there can save you 8-10% of the purchase price.

Sales Tax Exemptions: What Items Are Tax-Free?

Common exemptions that can save you money on everyday purchases:

Item CategoryTypical Exemption StatusStates with Full Exemption
Groceries (unprepared food)Exempt in 32 statesCA, TX, NY, FL, PA, OH, MI, NJ, VA, MA, and 22 others
Prescription medicationsExempt in all 50 statesAll states
ClothingExempt in 4 statesPA, NJ, MN, NY (under $110)
Over-the-counter medicineExempt in many statesNY, PA, NJ, CT, FL, TX, and others
Medical equipmentExempt in most statesWheelchairs, prosthetics, hearing aids in 45+ states
Baby productsVaries by stateDiapers exempt in CA, NY, NJ; formula exempt in most states

How to Calculate Sales Tax: Step-by-Step Guide

  1. Find your combined tax rate: Look up your state's base rate plus any county, city, and special district taxes. Use your exact ZIP code for accuracy—rates can differ between neighboring cities.
  2. Enter the pre-tax price: Input the item's listed price before any tax. If shopping online, use the subtotal before tax is added.
  3. Enter your tax rate: Input the combined rate as a percentage (e.g., 8.25 for 8.25% tax). Include all applicable state, county, and local rates.
  4. Calculate and review: The calculator shows your tax amount and total price. For budgeting, round up to account for potential rate variations.
  5. For reverse calculations: If you have a receipt total and need the pre-tax price, use: Pre-Tax = Total ÷ (1 + rate). This helps verify charges.

Common Sales Tax Mistakes to Avoid

Mistake: Using only the state rate. Fix: Always use the combined rate (state + county + city + special districts). A 6% state rate can become 10%+ with local additions.

Mistake: Assuming all items are taxed equally. Fix: Many states exempt groceries, clothing, medicine, or have reduced rates. Check your state's exemptions before budgeting.

Mistake: Forgetting online purchase taxes. Fix: Since 2018 (South Dakota v. Wayfair), most online purchases include sales tax based on your delivery address. Factor this into price comparisons.

Mistake: Missing tax-free shopping periods. Fix: Many states offer tax-free weekends (back-to-school in August, hurricane prep, Energy Star appliances). Plan major purchases around these dates to save hundreds.

Mistake: Not claiming exemptions for business purchases. Fix: If buying for resale, get a resale certificate from your state to avoid paying tax on inventory you'll collect tax on later.

Tax Impact Comparison: How Location Affects Your Purchase

Item PriceOregon (0%)Florida (7%)California (8.8%)Louisiana (9.5%)
$100$100.00$107.00$108.80$109.50
$500$500.00$535.00$544.00$547.50
$1,000$1,000.00$1,070.00$1,088.00$1,095.00
$5,000$5,000.00$5,350.00$5,440.00$5,475.00

On a $5,000 purchase, you save $475 shopping in Oregon vs. Louisiana—enough to justify a shopping trip for major purchases.

Related Calculators

  • Tip Calculator — Calculate restaurant tips on pre-tax subtotals; includes bill splitting for groups
  • Income Tax Calculator — Estimate your annual federal and state income taxes; different from point-of-sale sales tax
  • Budget Calculator — Plan your monthly spending using the 50/30/20 rule; includes shopping budget allocation
  • Sales Tax Calculator — Calculate sale prices first, then add this sales tax calculator for the final total

Sources & Methodology: State and local tax rates compiled from Tax Foundation, state revenue department data, and sales tax compliance databases. Rates reflect January 2026 data. Local rates shown are statewide averages; your specific location may vary. Grocery tax information reflects general categories—some prepared foods may still be taxed in exempt states. For exact rates and exemptions, consult your state's department of revenue or a qualified tax professional. Calculator updated January 2026.

Frequently Asked Questions

What are the current sales tax rates by state and how do they compare in 2026?

U.S. sales tax rates vary dramatically by state and locality. The highest combined state + local rates are: Louisiana (11.45%), Tennessee (9.55%), Arkansas (9.46%), Washington (9.29%), and Alabama (9.25%). California has the highest base state rate at 7.25%, while Colorado has the lowest at 2.9%. Texas charges 6.25% state plus up to 2% local (8.25% max), Florida is 6% state plus up to 1.5% local, and New York is 4% state but NYC adds 4.5% for 8.5% total. Key comparison: On a $1,000 purchase, you pay $114.50 tax in Louisiana versus $70 in Florida—a $44.50 difference. State rates typically range from 4-7%, with local taxes adding 0-5% more. Always use your exact ZIP code for accurate calculations since neighboring cities can have different rates.

Which states have no sales tax and how can I shop tax-free in 2026?

Five states have permanently no sales tax: Oregon, Montana, New Hampshire, Delaware, and Alaska (though Alaska allows local municipalities to charge up to 7.5%). Shopping strategies for tax-free purchases: (1) If you live within driving distance of a no-tax state, consider making major purchases there—buying a $2,000 laptop in Oregon vs. California saves $176. (2) Many states offer tax-free weekends, typically in August for back-to-school items (clothing, school supplies, computers) and before hurricane season for emergency supplies. (3) Online purchases shipped to tax-free states avoid sales tax. (4) Some states exempt specific categories entirely—Montana has no sales tax but has a 4% lodging tax. Note: Use tax may still apply when bringing purchases back to your home state for expensive items over $400-$1,000 depending on your state's threshold.

What items and purchases are exempt from sales tax in most states?

Common sales tax exemptions vary by state but typically include: GROCERIES—exempt in 32 states including California, Texas, and New York (prepared foods usually still taxed). PRESCRIPTION MEDICATIONS—exempt in all 50 states. CLOTHING—fully exempt in Pennsylvania, New Jersey, Minnesota, and New York (for items under $110). MEDICAL EQUIPMENT—wheelchairs, prosthetics, and durable medical equipment exempt in most states. Over-the-counter medications exempt in many states. BUSINESS EXEMPTIONS—purchases for resale with valid resale certificate, manufacturing equipment and raw materials, agricultural supplies and farm equipment. TAX-FREE PERIODS—back-to-school weekends (clothing, supplies, computers), hurricane preparedness (batteries, generators, water), Energy Star appliances in some states. To claim exemptions, you typically need to present an exemption certificate at purchase or file for a refund. Check your state's department of revenue for the complete exemption list and documentation requirements.