Sales Tax Calculator
Calculate sales tax on purchases. Find your state rate and see the total cost including tax.
Calculate Sales Tax
$
Combined state + local rate
State Sales Tax Rates
State sales tax rates (base rates, not including local taxes):
| State | Rate | State | Rate |
|---|---|---|---|
| California | 7.25% | Texas | 6.25% |
| New York | 4% | Florida | 6% |
| Illinois | 6.25% | Pennsylvania | 6% |
| Washington | 6.5% | Arizona | 5.6% |
| Colorado | 2.9% | Oregon | 0% |
No sales tax: Alaska*, Delaware, Montana,
New Hampshire, Oregon
*Alaska allows local sales taxes
How It Works
Formula
Sales Tax = Purchase Amount × Tax Rate Total = Purchase Amount + Sales Tax
Local Taxes
Many cities and counties add local sales taxes on top of the state rate. The combined rate can be significantly higher than the state base rate. For example, in some California cities, the combined rate exceeds 10%.
What this calculator does
This page turns the visible tax inputs into a planning estimate that can be checked against official forms and records. It is designed for quick comparison, not as a substitute for professional tax advice.
How to use this calculator
- Enter the filing status, income, deduction, credit, withholding, and other fields that apply to your situation.
- Run the calculator and review the tax estimate, rate, deduction, or planning result shown on the page.
- Compare the result with IRS forms, state rules, and your own records before making payment or filing decisions.
Frequently Asked Questions
Sales tax calculator by state and city?
Start with the key tax inputs and keep each number easy to verify. For the Sales Tax Calculator, start with purchase price, state and local sales tax rate, city or ZIP location, taxable items, and whether the price already includes tax. Then use: sales tax = purchase price x rate; total price = purchase price x (1 + rate). At an 8.25% rate, a $600 purchase has $49.50 of sales tax and a $649.50 total. Read the result as sales tax amount, total price, or pre-tax price from a receipt. The IRS sales tax deduction calculator is for federal itemized deduction support, not for setting local retail rates.
How much sales tax on a purchase?
Use the Sales Tax Calculator with purchase price, state and local sales tax rate, city or ZIP location, taxable items. The working formula is sales tax = purchase price x rate; total price = purchase price x (1 + rate). At an 8.25% rate, a $600 purchase has $49.50 of sales tax and a $649.50 total. Check sales tax amount, total price. The IRS sales tax deduction calculator is for federal itemized deduction support, not for setting local retail rates.
Sales tax calculator total price?
Use the Sales Tax Calculator with purchase price, state and local sales tax rate, city or ZIP location, taxable items. The working formula is sales tax = purchase price x rate; total price = purchase price x (1 + rate). At an 8.25% rate, a $600 purchase has $49.50 of sales tax and a $649.50 total. Check sales tax amount, total price. The IRS sales tax deduction calculator is for federal itemized deduction support, not for setting local retail rates.
How to calculate sales tax backwards from receipt?
Use the receipt total and the local rate, then divide instead of multiply. The formula is pre-tax price = total price / (1 + sales tax rate). For example, if the receipt total is $108.25 and the rate is 8.25%, the pre-tax price is $100 and the tax is $8.25. This is helpful when the receipt shows only the final total. Confirm the rate by location because sales tax is state and local.
Sales tax rate calculator by zip code?
The threshold or rate is only one part of the calculation. The Sales Tax Calculator works best when you enter purchase price, state and local sales tax rate, city or ZIP location, taxable items, and whether the price already includes tax. The planning formula is sales tax = purchase price x rate; total price = purchase price x (1 + rate). At an 8.25% rate, a $600 purchase has $49.50 of sales tax and a $649.50 total. Use the final number for sales tax amount, total price, or pre-tax price from a receipt. The IRS sales tax deduction calculator is for federal itemized deduction support, not for setting local retail rates.
Sales tax on car purchase calculator?
For a car purchase, start with the taxable purchase price after any state-specific trade-in or rebate rules, then apply the state and local rate. Formula: sales tax = taxable vehicle price x rate. If a $30,000 taxable amount is taxed at 7%, the tax is $2,100. Registration fees, documentation fees, and local add-ons may be separate. For federal itemizing, sales tax may matter only if you choose the sales tax deduction instead of state income tax.
Add sales tax to price calculator?
Separate each tax component so the estimate stays readable and easier to check. For the Sales Tax Calculator, start with purchase price, state and local sales tax rate, city or ZIP location, taxable items, and whether the price already includes tax. Then use: sales tax = purchase price x rate; total price = purchase price x (1 + rate). At an 8.25% rate, a $600 purchase has $49.50 of sales tax and a $649.50 total. Read the result as sales tax amount, total price, or pre-tax price from a receipt. The IRS sales tax deduction calculator is for federal itemized deduction support, not for setting local retail rates.
Use Cases
- Calculating total purchase price including state and local sales tax
- Comparing combined sales tax rates across different states and cities
- Estimating annual sales tax paid for the SALT deduction on Schedule A
- Planning large purchases in lower-tax jurisdictions to save on sales tax
- Understanding which states have no sales tax for shopping decisions
Assumptions & Limitations
- Uses a single combined tax rate; actual rates vary by exact location (city, county, district)
- Does not account for item-specific exemptions (groceries, clothing, prescriptions vary by state)
- The SALT deduction for sales tax is capped at $10,000 combined with other state/local taxes
- Does not calculate use tax owed on out-of-state or online purchases
- Rates shown are base state rates; local taxes can add 1-5% or more in many jurisdictions
Sources & References
- IRS Schedule A Instructions — SALT deduction for state and local sales tax
- IRS Sales Tax Deduction Calculator — Estimate your allowable sales tax deduction
- IRS Schedule A (Form 1040) — Itemized Deductions instructions
- IRS Topic No. 503 — Deductible Taxes
- State department of revenue websites — For current state and local sales tax rates
Disclaimer: This calculator provides estimates for educational purposes only. It does not constitute tax advice. Consult a qualified tax professional for advice specific to your situation.