Example: $100 at 6% is $6.00 of tax, $106.00 in total. Take the tax back out of $106.00 and you get $100.00.
About Iowa sales tax
Add Iowa sales tax to a price, or take it back out of a total, at the 6% state rate or the 6.94% average with local taxes.
How to use this tool
Check the rate: tap the state rate or the average with local tax, or type your exact rate.
Enter the price before tax, or tick the box if the amount already includes tax.
Read the tax and the total.
Frequently asked questions
What is the sales tax rate in Iowa?
Iowa’s statewide rate is 6%. Cities and counties add their own, averaging 0.94%, for an average combined rate of 6.94%. The highest local rate is 1%, so the most you can pay anywhere in the state is 7%. Rates as of July 1, 2026.
How do I calculate Iowa sales tax?
Multiply the price by the rate. At 6%, $100 × 0.06 = $6.00 of tax, $106.00 in total. Use your city’s combined rate for the exact amount; the 6.94% average is a good estimate.
How do I take Iowa sales tax out of a total?
Divide the total by 1 plus the rate. $106.00 ÷ 1.06 = $100.00 before tax.
How does Iowa compare with other states?
Iowa’s average combined rate is the 29th highest of the 50 states.
Where do these rates come from?
The Tax Foundation’s State and Local Sales Tax Rates, July 1, 2026, compiled from each state’s revenue department. Local averages are weighted by population. Check your exact rate, and which items are exempt, with the state revenue department.