Verified April 2026
How to Calculate Sales Tax in Cascade, Montana
2026 Step-by-Step Guide for Businesses & Consumers
Current Cascade Sales Tax Rate
| Jurisdiction | Rate |
|---|---|
| Montana State Sales Tax | 0.000% |
| Total Combined Rate | 0.000% |
How to Calculate Sales Tax in Cascade
-
1
Find the combined rate
The combined sales tax rate in Cascade is 0.000%. This equals: Montana state rate of 0.000% + County 0.000%.
-
2
Convert the percentage to a decimal
0.000 ÷ 100 = 0.0000
-
3
Multiply by your purchase amount
Example: $100.00 × 0.0000 = $0.00 in sales tax
-
4
Add tax to the original price
$100.00 + $0.00 = $100.00 total cost
What's Taxable in Montana?
Most tangible personal property is taxable in Montana. Check with the
Montana Department of Revenue for specific exemption categories.
Do You Have Nexus in Montana?
Economic Nexus Threshold
If your business has over $0 in annual
Montana sales or 0 transactions,
you are required to collect and remit Montana sales tax. This applies to out-of-state remote sellers too.
Expert Sales Tax Tips for Cascade
Out-of-State Sellers
Selling into Montana from out of state? Register before you cross the $100,000 threshold to avoid back taxes and penalties.
Frequently Asked Questions
Sales Tax Calculator
Using 0.000% rate for Cascade
$
Tax Amount
$0.00
Total with Tax
$100.00
Rate applied: 0.000% combined