Utah sales tax calculator
The Utah state sales tax rate is 6.1%. City, county and special-district taxes stack on top, so set the combined rate if you know it.
%
Total with tax
106.10
- Tax added
- 6.10
- Total for the quantity
- 106.10
- Price before tax, working backwards
- 101.08
- Tax inside a tax-inclusive price
- 6.17
- Tax as a share of the total
- 5.7493 %
- Multiply the net price by this
- 1.061 000
Show the working
- Price before tax = 100
- Sales tax rate = 6.1
- Or a price that already includes tax = 107.25
- Quantity = 1
- Tax added = 100 * 6.1 / 100 = 6.1
- Total with tax = 100 + 6.1 = 106.1
- Total for the quantity = 106.1 * 1 = 106.1
- Price before tax, working backwards = 107.25 / (1 + 6.1/100) = 101.084
- Tax inside a tax-inclusive price = 107.25 - 101.084 = 6.166 12
- Tax as a share of the total = 106.1 > 0 ? 6.1 / 106.1 * 100 : 0 = 5.749 29
- Multiply the net price by this = 1 + 6.1/100 = 1.061
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 Utah?
The state base rate is 6.1%, 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 6.1% that means dividing by 1.0610.
Where the numbers come from
- State base rates as published by state revenue departments; local additions are not included.