Rates verified January 2026 · Source: Wyoming Dept. of Revenue

Wyoming Sales Tax Calculator 2026

Cheyenne 6% · Casper 6% · Laramie 6% · WY base 4% + county 2%

Wyoming has a 4% state sales tax. Each county adds 2%, making the standard combined rate 6% across most of Wyoming. Some counties have additional specific taxes. Groceries are exempt from Wyoming sales tax.

State guide Shipping rules Grocery tax Reverse formula

Quick answer

Use 6% as the starting Wyoming sales tax rate.

The calculator below lets you add tax to a price or remove tax from a receipt total. Pick a city when available, or type the exact local rate from the official source.

State base rate

Average combined

5.44%

Cheyenne rate

6% combined

Calculator

City (optional — fills rate)

Sales tax rate — type any % (editable)

Change this anytime — no extra click. Verify final rates with your state or country tax authority.

Amount before tax

Quick amounts

Enter an amount to see the result.

Educational tool only — not tax advice. Confirm rates before filing or pricing for customers.

Wyoming combined rates by city — 2026 reference

Cheyenne
Laramie County · State 4% + County 2%
6%
Casper
Natrona County · State 4% + County 2%
6%
Laramie
Albany County · State 4% + County 2%
6%
Gillette
Campbell County · State 4% + County 2%
6%
Rock Springs
Sweetwater County · State 4% + County 2%
6%
Sheridan
Sheridan County · State 4% + County 2%
6%

ZIP and district rules can differ. Verify on Wyoming Dept. of Revenue.

Formula

How to calculate Wyoming sales tax

Multiply the taxable price by the combined state and local rate. Then add the tax amount to the original price to get the final checkout total.

Sales tax formula

Sales tax = item price x (rate / 100)

Final total = item price + sales tax

Enter the item price before tax.
Use the city rate above or type the exact local rate from the official source.
Calculate the sales tax amount and final total instantly.

Example	Formula	Tax	Total
$100 purchase in Cheyenne	$100.00 x 6%	$6.00	$106.00
$250 purchase in Casper	$250.00 x 6%	$15.00	$265.00
Reverse tax from $106 in Cheyenne	$106 ÷ 1.06000 ≈ $100.00 pre-tax; about $6.00 was sales tax.	$100.00 before tax	$100.00 before tax

Wyoming sales tax examples

Common receipt calculations using high-search city rates.

$100 purchase in Cheyenne

$106 total

$100.00 × 6% = $6.00 sales tax in Cheyenne, Wyoming.

$250 purchase in Casper

$265 total

$250.00 × 6% = $15.00 sales tax in Casper, Wyoming.

Reverse tax from $106 in Cheyenne

$100.00 before tax

$106 ÷ 1.06000 ≈ $100.00 pre-tax; about $6.00 was sales tax.

State rate: 4%

Avg combined: 5.44%

Economic nexus: $100,000 in sales OR 200 transactions in Wyoming

Filing: Monthly or Quarterly

Wyoming Sales Tax

Wyoming has a clean 4% state rate plus a uniform 2% county addition, making the combined rate 6% across most of the state. Groceries are exempt. Wyoming is one of the lower-tax states for sales tax.

Wyoming combined rates by city

Combined rates vary across Wyoming. Reference cities on this page include: Cheyenne (6%), Casper (6%), Laramie (6%), Gillette (6%), Rock Springs (6%), Sheridan (6%). ZIP codes and special districts can differ — use the official lookup linked above for address-level filing.

Common exemptions in Wyoming

Common exemptions include: Groceries; Prescription drugs; Medical equipment; Agricultural items. Restaurant meals, prepared food, and many services are often taxable even when groceries are exempt.

Online sellers and economic nexus

Out-of-state sellers that exceed $100,000 in sales OR 200 transactions in Wyoming in Wyoming generally must register and collect tax on taxable sales delivered into the state. Marketplace facilitators often remit tax on behalf of third-party sellers.

How to use this calculator

Pick a city from the list or type the combined percentage from your WY tax lookup. Enter a pre-tax amount to add sales tax, or use reverse mode to split tax from a receipt total. Businesses should validate address-level rates in certified tax software before filing returns.

Often taxable in Wyoming

General merchandise
Electronics
Clothing
Restaurant meals

Common exemptions

Groceries
Prescription drugs
Medical equipment
Agricultural items

Common mistakes to avoid

Using only the state rate

Wyoming's 4% state rate is only the starting point. Cheyenne is 6% combined.

Subtracting tax from a gross total

To reverse sales tax, divide by 1 + (rate ÷ 100). Do not subtract the percentage from the tax-inclusive price.

Treating groceries and clothing the same

Exemptions differ by item. Review Wyoming rules for food, apparel, medicine, and digital goods before invoicing.

Quoting the average rate for every address

The 5.44% average is useful for estimates; use address-level rates for compliance and customer quotes.

Official Wyoming sales tax source

Rates and rules on this page were last reviewed in January 2026 against Wyoming Dept. of Revenue. Use the linked authority for filing, registrations, or address-specific compliance.

Rates on this page were compared to Wyoming official Department of Revenue publications as of January 2026.
Cheyenne is listed at 6% combined (State 4% + County 2%). Confirm ZIP-level rates before filing.
Destination-based rules usually apply to shipped orders — use the delivery address rate, not the seller's warehouse rate, unless official guidance says otherwise.

Wyoming sales tax — frequently asked questions

What is the Wyoming sales tax rate in 2026?

Wyoming state rate is 4%. Most counties add 2% for a combined 6% rate across most of Wyoming.

Are groceries taxed in Wyoming?

No. Groceries are exempt from Wyoming sales tax.

What is the sales tax rate in Cheyenne, WY?

Cheyenne uses about 6% combined sales tax (State 4% + County 2%). Always verify the current rate for your exact address.

Is clothing taxable in Wyoming?

Clothing and footwear are generally taxable in Wyoming at the combined state and local rate unless a specific exemption applies.

Does Wyoming charge sales tax on online purchases?

Remote sellers and marketplaces that exceed Wyoming's economic nexus threshold ($100,000 in sales OR 200 transactions in Wyoming) generally must collect Wyoming sales tax based on the delivery address.

How do I reverse Wyoming sales tax from a receipt total?

Divide the tax-inclusive total by 1 plus the combined rate as a decimal. At 5.44% combined: $108 ÷ 1.08 ≈ $100 before tax.

Is shipping taxable in Wyoming?

Rules differ by state. See our shipping tax calculator and Wyoming Department of Revenue guidance to learn whether delivery, freight, and handling are taxable on your order.

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Use the correct Wyoming sales tax rate

Use this page for quick Wyoming sales tax estimates, receipt checks, and reverse tax calculations. For the most accurate result, choose the closest city rate or verify the exact address-level rate with the official source, then enter that percentage in the calculator.

Open all-state calculator

Disclaimer: Rates are for informational and educational purposes and may be incomplete or outdated. Always verify with the official Wyoming revenue authority or a qualified professional before filing or making business decisions.