Free Sales Tax Calculator

Calculate sales tax for any US state in seconds, plus Canadian GST, HST and QST for cross-border work. Enter a subtotal to see the full breakdown.

Mode
Subtotal → Total Total → Subtotal

By clicking Calculate, you agree to InvoiceCast's Terms of Service and Privacy Policy. Tax calculations are approximate and for informational purposes only.

Results
Subtotal
Grand Total

Sales Tax Examples by State

Each example starts from a $100.00 subtotal and shows the tax and total for every US state.

Alaska (AK — No State Sales Tax)

Subtotal 100.00 + tax 0.00 = total 100.00.

Alabama (AL — Sales Tax 4%)

Subtotal 100.00 + tax 4.00 = total 104.00.

Arkansas (AR — Sales Tax 6.5%)

Subtotal 100.00 + tax 6.50 = total 106.50.

Arizona (AZ — Sales Tax 5.6%)

Subtotal 100.00 + tax 5.60 = total 105.60.

California (CA — Sales Tax 7.25%)

Subtotal 100.00 + tax 7.25 = total 107.25.

Colorado (CO — Sales Tax 2.9%)

Subtotal 100.00 + tax 2.90 = total 102.90.

Connecticut (CT — Sales Tax 6.35%)

Subtotal 100.00 + tax 6.35 = total 106.35.

District of Columbia (DC — Sales Tax 6%)

Subtotal 100.00 + tax 6.00 = total 106.00.

Delaware (DE — No State Sales Tax)

Subtotal 100.00 + tax 0.00 = total 100.00.

Florida (FL — Sales Tax 6%)

Subtotal 100.00 + tax 6.00 = total 106.00.

Georgia (GA — Sales Tax 4%)

Subtotal 100.00 + tax 4.00 = total 104.00.

Hawaii (HI — Sales Tax 4%)

Subtotal 100.00 + tax 4.00 = total 104.00.

Iowa (IA — Sales Tax 6%)

Subtotal 100.00 + tax 6.00 = total 106.00.

Idaho (ID — Sales Tax 6%)

Subtotal 100.00 + tax 6.00 = total 106.00.

Illinois (IL — Sales Tax 6.25%)

Subtotal 100.00 + tax 6.25 = total 106.25.

Indiana (IN — Sales Tax 7%)

Subtotal 100.00 + tax 7.00 = total 107.00.

Kansas (KS — Sales Tax 6.5%)

Subtotal 100.00 + tax 6.50 = total 106.50.

Kentucky (KY — Sales Tax 6%)

Subtotal 100.00 + tax 6.00 = total 106.00.

Louisiana (LA — Sales Tax 4.45%)

Subtotal 100.00 + tax 4.45 = total 104.45.

Massachusetts (MA — Sales Tax 6.25%)

Subtotal 100.00 + tax 6.25 = total 106.25.

Maryland (MD — Sales Tax 6%)

Subtotal 100.00 + tax 6.00 = total 106.00.

Maine (ME — Sales Tax 5.5%)

Subtotal 100.00 + tax 5.50 = total 105.50.

Michigan (MI — Sales Tax 6%)

Subtotal 100.00 + tax 6.00 = total 106.00.

Minnesota (MN — Sales Tax 6.875%)

Subtotal 100.00 + tax 6.88 = total 106.88.

Missouri (MO — Sales Tax 4.225%)

Subtotal 100.00 + tax 4.23 = total 104.23.

Mississippi (MS — Sales Tax 7%)

Subtotal 100.00 + tax 7.00 = total 107.00.

Montana (MT — No State Sales Tax)

Subtotal 100.00 + tax 0.00 = total 100.00.

North Carolina (NC — Sales Tax 4.75%)

Subtotal 100.00 + tax 4.75 = total 104.75.

North Dakota (ND — Sales Tax 5%)

Subtotal 100.00 + tax 5.00 = total 105.00.

Nebraska (NE — Sales Tax 5.5%)

Subtotal 100.00 + tax 5.50 = total 105.50.

New Hampshire (NH — No State Sales Tax)

Subtotal 100.00 + tax 0.00 = total 100.00.

New Jersey (NJ — Sales Tax 6.625%)

Subtotal 100.00 + tax 6.63 = total 106.63.

New Mexico (NM — Sales Tax 5%)

Subtotal 100.00 + tax 5.00 = total 105.00.

Nevada (NV — Sales Tax 6.85%)

Subtotal 100.00 + tax 6.85 = total 106.85.

New York (NY — Sales Tax 4%)

Subtotal 100.00 + tax 4.00 = total 104.00.

Ohio (OH — Sales Tax 5.75%)

Subtotal 100.00 + tax 5.75 = total 105.75.

Oklahoma (OK — Sales Tax 4.5%)

Subtotal 100.00 + tax 4.50 = total 104.50.

Oregon (OR — No State Sales Tax)

Subtotal 100.00 + tax 0.00 = total 100.00.

Pennsylvania (PA — Sales Tax 6%)

Subtotal 100.00 + tax 6.00 = total 106.00.

Rhode Island (RI — Sales Tax 7%)

Subtotal 100.00 + tax 7.00 = total 107.00.

South Carolina (SC — Sales Tax 6%)

Subtotal 100.00 + tax 6.00 = total 106.00.

South Dakota (SD — Sales Tax 4.5%)

Subtotal 100.00 + tax 4.50 = total 104.50.

Tennessee (TN — Sales Tax 7%)

Subtotal 100.00 + tax 7.00 = total 107.00.

Texas (TX — Sales Tax 6.25%)

Subtotal 100.00 + tax 6.25 = total 106.25.

Utah (UT — Sales Tax 6.1%)

Subtotal 100.00 + tax 6.10 = total 106.10.

Virginia (VA — Sales Tax 5.3%)

Subtotal 100.00 + tax 5.30 = total 105.30.

Vermont (VT — Sales Tax 6%)

Subtotal 100.00 + tax 6.00 = total 106.00.

Washington (WA — Sales Tax 6.5%)

Subtotal 100.00 + tax 6.50 = total 106.50.

Wisconsin (WI — Sales Tax 5%)

Subtotal 100.00 + tax 5.00 = total 105.00.

West Virginia (WV — Sales Tax 6%)

Subtotal 100.00 + tax 6.00 = total 106.00.

Wyoming (WY — Sales Tax 4%)

Subtotal 100.00 + tax 4.00 = total 104.00.

Common Tax Questions

How do I calculate sales tax in the US? ▾

Select your state from the formula list, enter the subtotal, and the calculator shows the exact tax amount and grand total. Rates vary by state from 0% (Alaska, Delaware, Montana, New Hampshire, Oregon) to over 9%.

Which US states have no sales tax? ▾

Five US states have no statewide sales tax: Alaska, Delaware, Montana, New Hampshire, and Oregon. Enter a subtotal with one of these formulas and the tax amount will be $0.00.

How do I calculate QST in Quebec? ▾

In Quebec, you pay both GST (5%) and QST (9.975%). Use the calculator above and select the Quebec QST formula — it will calculate both taxes on your subtotal and show the full breakdown.

I only know the total — how do I find the subtotal? ▾

Use the reverse sales tax calculator instead. It works backwards from a total that already includes tax to show the original subtotal and the exact tax amount.

Related: Free invoice generator What is sales-tax nexus?