# Idaho Sales Tax Calculator

> Idaho sales tax is 6% at state level, 6.03% on average with local taxes. Add or remove Idaho sales tax from any price.

URL: https://paycheck-math.com/us/sales-tax-calculator/idaho/  
Breadcrumbs: Home > United States > Sales tax calculator > Idaho  
Language: en-US  
Rates checked: 2026-10-29  

Idaho's state sales tax rate is 6%. With county and city taxes the average combined rate is 6.03%.

## Result with default inputs

Inputs: amount=100, rate=6.03, mode=add

**Price with tax: $106.03**

- Tax: $6.03

| Line | Item | Amount |
| --- | --- | --- |
| 1 | Price before tax | $100.00 |
| 2 | Tax | $6.03 |
| 3 | **Price with tax** | $106.03 |


To compute other inputs, call the JSON API: `https://paycheck-math.com/api/v1/calculate?path=%2Fus%2Fsales-tax-calculator%2Fidaho%2F&amount=100&rate=6.03&mode=add` or open the page URL with the same query parameters.

## Examples at 6.03%

| Amount | Tax added | Total with tax | Tax inside a tax-included amount |
| --- | --- | --- | --- |
| $10.00 | $0.60 | $10.60 | $0.57 |
| $50.00 | $3.02 | $53.02 | $2.84 |
| $100.00 | $6.03 | $106.03 | $5.69 |
| $250.00 | $15.08 | $265.08 | $14.22 |
| $500.00 | $30.15 | $530.15 | $28.44 |
| $1,000.00 | $60.30 | $1,060.30 | $56.87 |
| $5,000.00 | $301.50 | $5,301.50 | $284.35 |

## Rates used

|  | Rate |
| --- | --- |
| State rate | 6% |
| Average local rate | 0.03% |
| Average combined rate | 6.03% |

Official source: [Idaho revenue department](https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/). Rates checked on Oct 29, 2026.

## Questions people ask

### What is the sales tax rate in Idaho?

The state rate is 6% and local taxes bring the average combined rate to 6.03%. Your exact rate depends on the city, county and special district where you buy.

### How do I calculate sales tax?

Multiply the price by the rate: $100 at 8.25% is $8.25 of tax, $108.25 in total. To remove tax from a total, divide by 1 + the rate: $108.25 ÷ 1.0825 = $100.

### Which states have no sales tax?

Alaska, Delaware, Montana, New Hampshire and Oregon have no statewide sales tax, although some Alaska and Montana localities charge their own.

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Estimates for information only, not tax, legal or financial advice. Check with an adviser or the official tax authority.