Idaho Reverse Sales Tax: Price Before Tax (2026)
Idaho has a state sales tax rate of 6%. Use the calculator below to find the original price.
* Pre-filled with Idaho state tax rate. You can adjust this if local taxes apply.
State Sales Tax
6.00%
Avg. Local Tax
0.03%
Combined Rate
6.03%
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Ritu Sharma
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View StandardsUnderstanding Idaho Sales Tax
The only exception of note is a Resort City Tax that certain tourism-dependent municipalities like Sun Valley and Ketchum are authorized to levy - up to 3% - on top of the state rate, potentially bringing combined rates to 9% in those specific destinations. Outside of designated resort cities, Idaho's sales tax is elegantly uniform.
The Idaho Reverse Sales Tax Calculator is a straightforward tool for Gem State residents and businesses. With a known 6.00% rate applying to nearly all taxable transactions, reverse-calculating the pre-tax price from any receipt is fast and reliable. Whether you're an accountant, a small business owner, or a consumer tracking your spending, this tool delivers the exact pre-tax breakdown in seconds.
Why Reverse Calculation Matters in Idaho
For businesses selling online, Idaho's economic nexus rules mean that remote sellers exceeding Idaho's threshold must collect and remit the state 6.00% rate. Because there is essentially no local rate to worry about (outside resort cities), multi-state sellers find Idaho simpler to manage than states like Colorado or Louisiana. Reverse calculations for Idaho are clean and consistent: one rate, statewide precision.
Sales Tax Rates in Major Idaho Cities (Quick Look)
| City | Total Rate |
|---|---|
| Boise | 6.00% |
| Idaho Falls | 6.00% |
General Taxability Guidelines
Detailed Tax Rates in Major Idaho Cities
Detailed Taxability Rules & Exemptions in Idaho
- Groceries (food for home consumption) - exempt from Idaho sales tax
- Prescription drugs - fully exempt
- Agricultural equipment used directly in farming operations
- Irrigation equipment and supplies used in crop production
- Utilities (electricity, natural gas) used in manufacturing
- Sales to qualifying nonprofit and religious organizations
Real-World Reverse Calculation Example
You purchased a new dishwasher in Boise, Idaho for a total of $742.00, inclusive of the 6.00% sales tax.
- Convert rate: 6.00% ÷ 100 = 0.06
- Add 1: 1 + 0.06 = 1.06
- Divide: $742.00 ÷ 1.06 = $700.00 (pre-tax price)
- Tax: $742.00 − $700.00 = $42.00
- ✓ Original price before tax: $700.00 | Idaho sales tax: $42.00
Idaho Sales Tax Compliance & Filing
Official Citations & Sources
- Tax data sourced from the Idaho State Tax Commission (ISTC), Sales Tax division — Idaho has a flat statewide rate with very limited local add-ons.
- Rate verified against ISTC's 2026 Idaho Sales and Use Tax Guide.
- Official Link: Idaho State Tax Commission - Official Website
Frequently Asked Questions - Idaho Sales Tax
📚 Related Tax Guides
Does Nevada Have Sales Tax? Rates, Exemptions, and Local Rules (2026)
Yes — Nevada has sales tax, starting at a state base rate of 6.85%. But what you actually pay depends on where in Nevada you are. Las Vegas (Clark County) adds local levies that push the total to 8.375%. Reno (Washoe County) reaches 8.265%. Rural counties can be as low as 6.85%. Groceries sold for home consumption are exempt. Clothing is taxable. Prescription drugs are exempt. Prepared food and restaurant meals are taxed at the full rate. If you're a tourist, a resident, or a business selling into Nevada, this guide answers every Nevada sales tax question with 2026 rates and worked examples.
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Sales Tax on Clothing by State (2026)
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Legal Disclaimer: While we strive to maintain accurate and up-to-date tax rate information from reliable sources, tax rates can change frequently. Always verify current rates with your local tax authority or a qualified tax professional for official tax matters. This calculator is for informational purposes only and does not constitute professional tax, legal, or financial advice.