What is the sales tax rate in Montana?

Montana has no statewide sales tax. A handful of items or local districts may still apply, but there is no state-level sales tax to add.

How do I add Montana sales tax to a price?

Enter the pre-tax amount and keep the Montana rate (0%) in the rate box, with the "add it" option selected. The calculator multiplies the price by the rate to get the tax and adds it to show your total.

How do I remove Montana sales tax from a total?

Choose the "amount includes tax, extract it" option and enter the gross total. The calculator divides by 1 plus the rate to recover the pre-tax price and shows the Montana tax that was included.

Does Montana sales tax include local taxes?

Montana has no statewide sales tax, but local jurisdictions can sometimes add their own. Use your local combined rate if one applies.

Montana Sales Tax Calculator 2026 (No State Sales Tax)

Work out Montana sales tax on any price. Montana has no statewide sales tax, so the rate is pre-filled at 0%, but you can enter a local rate if one applies.

Montana sales tax rate

Montana is one of the five US states with no statewide sales tax. That means most purchases in Montana have no state sales tax added at checkout. Some local districts or specific goods may still carry a tax, so check locally if you are unsure.

How to use the Montana sales tax calculator

Enter the amount. Type the price you are starting from.
Check the rate. The Montana rate is pre-filled at 0%. Change it to your local combined rate if needed.
Pick add or extract. Add tax to a pre-tax price, or extract the tax already inside a total.
Read the result. The net, tax amount and gross total update instantly.

Frequently asked questions

What is the Montana sales tax rate?

Montana has no statewide sales tax, so the base rate is 0%. Local taxes may apply in some areas.

Does this include local Montana taxes?

There is no statewide rate to include. Enter a local rate if your area charges one.

Can I remove sales tax from a Montana total?

Yes. Choose the extract option and enter the tax-inclusive total to see the pre-tax price and the Montana tax portion.

Is this official tax advice?

No. It is a quick estimate. Verify rates with the Montana Department of Revenue for filings or invoices.

More: Sales Tax / GST / VAT Calculator · VAT Calculator · Montana Paycheck Calculator · All finance calculators

Sales tax calculator by state

Pick another state to calculate its sales tax:

Rates are statewide base figures and may change; local taxes vary. Not tax advice.