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Sales Tax Calculator - Online

Sales Tax Calculator (Add Tax) ?This script calculates the Final Price including Tax and the Sale Tax value to be added. Input the 'Before Tax Price' (price without tax added on). Input the 'Tax Rate' (%). Please, check the value of Sales Tax in other sources to ensure that it is the correct value. We can not guarantee its accuracy. See also the Reverse Sales Tax Calculator (Remove Tax) on this page.

Inputs

Before Tax Price ($):

Tax Rate (%): type here OR

Select a State:

Include Local Tax: (optional)

Results

Final Price Including Tax ($):

Sale Tax($):

Note: all rates used in this calculator are for educational purposes only.

Reverse Sales Tax Calculator (Remove Tax) ?This script calculates the 'Before Tax Price' and the 'Tax Value' being charged. Input the 'Final Price Including Tax' (price plus tax added on). Input the 'Tax Rate (%)'. Please, check the value of 'Sales Tax' in other sources to ensure that it is the correct value. We can not guarantee its accuracy. See also the Sales Tax Calculator (Add Tax) on this page.

Inputs

Final Price Incl. Tax ($):

Tax Rate (%): type here OR

Select a State:

Include Local Tax: (optional)

Results

Before Tax Price ($): (*)

Tax ($):

Note: all rates are for educational purposes only.

How do General Sales Tax Rates Differ Across States?

Among states which have sales taxes, Colorado has the lowest rate (2.9%). All other states have a rate of at least 4.0%. Five states (California, Indiana, Mississippi, Rhode Island and Tennessee) have rates equal or above 7.0%. California is the state which has the highest tax rate (7.25%).

Alaska, Delaware, New Hampshire, Montana and Oregon do not have state general sales taxes. Of these, Montana and Alaska allow localities to charge local sales taxes.

The five states with the highest average combined (state and local) sales tax rates are Louisiana (9.98%), Tennessee (9.46%), Arkansas (9.30%), Alabama (9.01%), and Washington (8.92%).

The five states with the lowest average combined rates are Alaska (1.76%), Hawaii (4.35%), Wyoming (5.40%), Wisconsin (5.42%), and Maine (5.5%).

How to calculate sales tax?

Learn how to calculate sales tax by following these examples:

1) You buy a item on Ebay for 100 dollars and pay 7.5 % (percent) in tax. What is the tax on it and what is the total price (including tax)?

Sales tax Formula (Final Price)

Final price including tax = before tax price × (1 + tax rate (%) / 100)
or,
Final price including tax = before tax price × (1 + tax rate)
(tax expressed as a decimal)

2) You buy a product for 107.5 dollars with tax included. You know that the tax rate at your state is 7.5%. What is the tax value?

a) Before Tax Price

b)Tax Value

Sales tax Formula (Before Tax Price)

Before Tax Price ($) = Final price / (1 + tax rate(%) / 100)
or,
Before Tax Price ($) = Final price / (1 + tax rate)
(tax expressed as a decimal)

Find more examples at the bottom of this page

Sales Taxes Chart

Important Note: The table below is for information only. You should previouly know the values applied to your situation before using our calculator.

Source (among others): State and Local Sales Tax Rates, as of January 1, 2021.

StateState Tax RateAvg. Local Tax RataMax Local Tax Rate
Alabama4.005.227.50
Alaska0.001.767.50
Arizona5.602.805.60
Arkansas6.503.015125
California7.251.432.50
Colorado2.904.828.30
Connecticut6.350.000.00
Delaware0.000.000.00
D.C.6.000.000.00
Florida6.001.082.50
Georgia4.003.324.90
Hawaii4.000.440.50
Idaho6.000.033.00
Illinois6.252.579.75
Indiana7.000.000.00
Iowa6.000.941.00
Kansas6.502.194.00
Kentucky6.000.000.00
Louisiana4.455.077.00
Maine5.500.000.00
Maryland6.000.000.00
Massachusetts6.250.000.00
Michigan6.000.000.00
Minnesota6.8750.592.00
Mississippi7.000.071.00
Missouri4.2254.035.763
Montana0.000.000.00
StateState Tax RateAvg. Local Tax RataMax Local Tax Rate
Nebraska5.501.442.50
Nevada6.851.381.53
New Hampshire0.000.000.00
New Jersey6.625-0.033.313
New Mexico5.1252.714.313
New York4.004.524.875
North Carolina4.752.232.75
North Dakota5.001.963.50
Ohio5.751.482.25
Oklahoma4.504.457.00
Oregon0.000.000.00
Pennsylvania6.000.342.00
Rhode Island7.000.000.00
South Carolina6.001.463.00
South Dakota4.501.904.50
Tennessee7.002.552.75
Texas6.251.942.00
Utah6.101.092.95
Vermont6.000.241.00
Virginia5.300.430.70
Washington6.502.734.00
West Virginia6.000.501.00
Wisconsin5.000.431.75
Wyoming4.001.332.00

References:

Sample Sales Tax Calculations