$
%
Sales Tax
$6
6.03%
Effective Rate
Total Price
$106
State Tax
$6
Local Tax
$0
Summary
A $100 purchase in Idaho incurs $6 in sales tax (6.03% combined rate), for a total of $106.
Idaho's combined 6.03% average rate (6.00% state + 0.03% avg local) ranks #36 nationally.
If you buy online from out-of-state sellers, Idaho's use tax of 6.00% applies to untaxed purchases.
State Tax (6.00%): $6
Tax Calculation Breakdown
5 rows
| Step | Amount |
|---|---|
| Purchase Amount | $100 |
| + State Tax (6.00%) | $6 |
| + Local Tax (0.03%) | $0 |
| = Total Sales Tax | $6 |
| = Total Price | $106 |
Sales tax rates are based on 2025 data from the Tax Foundation. Local rates shown are statewide averages — actual rates vary by jurisdiction. Use the local rate field to enter your specific rate. Not tax advice.