New Jersey sales tax calculator
The New Jersey state sales tax rate is 6.625%. City, county and special-district taxes stack on top, so set the combined rate if you know it.
%
Total with tax
106.63
- Tax added
- 6.63
- Total for the quantity
- 106.63
- Price before tax, working backwards
- 100.59
- Tax inside a tax-inclusive price
- 6.66
- Tax as a share of the total
- 6.2134 %
- Multiply the net price by this
- 1.066 250
Show the working
- Price before tax = 100
- Sales tax rate = 6.625
- Or a price that already includes tax = 107.25
- Quantity = 1
- Tax added = 100 * 6.625 / 100 = 6.625
- Total with tax = 100 + 6.625 = 106.625
- Total for the quantity = 106.625 * 1 = 106.625
- Price before tax, working backwards = 107.25 / (1 + 6.625/100) = 100.586
- Tax inside a tax-inclusive price = 107.25 - 100.586 = 6.663 83
- Tax as a share of the total = 106.625 > 0 ? 6.625 / 106.625 * 100 : 0 = 6.213 36
- Multiply the net price by this = 1 + 6.625/100 = 1.066 25
Values are shown to six significant figures here; the arithmetic itself runs on exact fractions and is only rounded where a number is printed.
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The formula
- tax = price x rate
- total = price x (1 + rate)
- to remove tax: net = gross / (1 + rate), never gross x (1 - rate)
Removing a tax is division, not subtraction. Taking 7.25% off a tax-inclusive price undercharges you every time.
Rates change and local additions vary by address. Treat the prefilled rate as a starting point and check the current combined rate for the exact jurisdiction.
Frequently asked
What is the sales tax rate in New Jersey?
The state base rate is 6.625%, before any city, county or district additions.
How do I work out the price before tax?
Divide the tax-inclusive price by 1 plus the rate. At 6.625% that means dividing by 1.0662.
Where the numbers come from
- State base rates as published by state revenue departments; local additions are not included.