Great Falls, Montana Sales Tax Calculator (2026)

0.00% total combined rate — includes state and local taxes.

Great Falls does not impose any sales tax on retail goods or services.

Great Falls Sales Tax Calculator

Enter a purchase amount — we’ll calculate the total with Great Falls’s tax rate.

Rate
0.00%
Tax
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Total
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The current combined rate for Great Falls is 0.00%.

Great Falls Sales Tax Breakdown

  • State Rate: 0.00%
  • City Rate: 0.00%
  • County Rate: 0.00%
  • Special Rate: 0.00%
  • Total: 0.00%

About Great Falls

Great Falls’s businesses operate under Montana’s 0% sales tax system, ensuring straightforward pricing for residents and visitors.