Casper, Wyoming Sales Tax Calculator (2026)
5.50% total combined rate — includes state and local taxes.
Casper applies a total combined rate of 5.5%, including Wyoming’s 4% and a 1.5% local option tax.
Casper Sales Tax Calculator
Enter a purchase amount — we’ll calculate the total with Casper’s tax rate.
Rate
5.50%
Tax
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Total
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The current combined rate for Casper is 5.50%.
Casper Sales Tax Breakdown
- State Rate: 4.00%
- City Rate: 1.50%
- County Rate: 0.00%
- Special Rate: 0.00%
- Total: 5.50%
About Casper
Casper’s sales tax revenue supports infrastructure, education, and community services across Natrona County.
Example Calculation
A $1,000 purchase in Casper adds $55 in sales tax, totaling $1,055.