Montana Sales Tax Calculator
Calculate sales tax in Montana — add Montana’s 0% (no statewide) sales tax to a price, or reverse it from a tax-included total. Enter any amount for the tax and total.
Estimate using each state’s base statewide rate. Local county and city sales taxes usually add more on top, and some items are taxed differently or exempt. Check your local combined rate for an exact figure.
Sales tax in Montana
Montana has no statewide sales tax, so the base rate is 0%. That means most purchases in Montana have no sales tax added at the state level.
On a $100 purchase, the state sales tax in Montana is $0. Enter any amount above, and if a local tax applies where you are, set that rate to see the total.
This uses Montana’s base statewide rate; local rates and item exemptions vary, so confirm your exact combined rate for a precise figure.
Sales tax calculator by state
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Frequently asked questions
What is the sales tax rate in Montana?
Montana has no statewide sales tax (0%). Any sales tax you see would come from local rules, not the state.
How much is sales tax on $100 in Montana?
At the state level it is $0 in Montana, since there is no statewide sales tax. Local taxes, where they apply, would add to that.
What is the sales tax rate in my state?
Statewide base rates range from 0% (in five states) to over 7%, and most places add local county and city taxes on top. Pick your state on the by-state pages to load its base rate, then adjust for your local rate if you know it.
Which states have no sales tax?
Five states have no statewide sales tax: Delaware, Montana, New Hampshire and Oregon, plus Alaska (which has no state tax but allows local sales taxes). In those states, choosing the state sets the rate to 0%.