Apache County
Cochise County
Coconino County
Gila County
Graham County
Greenlee County
La Paz County
Maricopa County
Mohave County
Navajo County
Pima County
Pinal County
Santa Cruz County
Yavapai County
Yuma County
Total Sales Tax
$0.00
Understanding Arizona Sales Tax
Arizona operates with a Transaction Privilege Tax (TPT), commonly referred to as sales tax. Unlike many other states, Arizona's TPT is a tax imposed on the seller for the privilege of doing business in the state. However, for practical purposes for consumers and businesses, it functions much like a sales tax.
Key Features of Arizona TPT:
State Rate: A base state TPT rate applies across Arizona.
Local Rates: Cities and counties in Arizona can impose their own TPT rates. This means the total TPT rate can vary significantly depending on the specific location within the state.
Special Districts: Additionally, some special taxing districts (e.g., for transportation or public safety) may add their own small TPT rates.
Deductions and Exemptions: Arizona has specific rules regarding what items are taxable and what deductions or exemptions may apply. This calculator focuses on the tax calculation itself, assuming a taxable transaction.
Calculation: The total TPT is calculated by adding the state rate, the applicable county rate, and any city or special district rates that apply to the transaction.
How the Arizona Sales Tax Calculator Works
This calculator simplifies the process of estimating the TPT for your purchases in Arizona. It takes into account the base state rate and provides options to select your county, which influences the local TPT rate. You can also add any specific additional special district tax rates that might apply to your purchase location.
The Formula:
Total TPT Rate = State TPT Rate + County TPT Rate + Special District TPT Rate
The Purchase Amount is the price of the goods or services before tax.
The County selection determines the base local TPT rate applied.
The Additional Special District Tax Rate allows you to input any specific regional tax rates not covered by the general county rates.
Arizona TPT Rates (Illustrative – subject to change):
Note: TPT rates can change. Always refer to the Arizona Department of Revenue (AZDOR) for the most current and official rates. The rates below are examples for illustrative purposes.
State TPT Rate: 5.6%
Illustrative County Rates (example – Maricopa County might be around 0.7% for some jurisdictions, but varies widely): These are often integrated into the jurisdiction's total rate. For this calculator, we use a simplified approach where you select a county and can add a specific district rate. For accurate local rates, checking AZDOR's website for your specific city and county is crucial.
Example Calculation:
Let's say you purchase an item for $250.00 in Maricopa County. The state TPT is 5.6%. Let's assume the Maricopa County combined rate (including city taxes if applicable for simplicity in this example) is around 8.6% and you have no additional special district taxes.
* State Rate: 5.6%
* Maricopa County (example combined): 8.6% (This would typically include state, county, and city components)
* Total Rate: 5.6% + 3.0% (hypothetical additional local) = 8.6%
* Sales Tax = $250.00 * (8.6 / 100) = $250.00 * 0.086 = $21.50
If there was an additional special district tax of 0.5%:
This calculator uses a simplified model where the base state rate (5.6%) is assumed, and you select a county to apply a representative local rate, plus any additional district rate you specify. For precise calculations, consult the official Arizona Department of Revenue resources or a tax professional.
function calculateSalesTax() {
var purchaseAmount = parseFloat(document.getElementById("purchaseAmount").value);
var county = document.getElementById("county").value;
var specialDistrictRate = parseFloat(document.getElementById("specialDistrictRate").value);
var stateRate = 5.6; // Base Arizona State TPT Rate
// Approximate base local rates by county. These are simplified and can vary greatly by city within a county.
// For precise calculations, AZDOR website is the definitive source.
var countyRates = {
"apache": 1.5, // Example rate for Apache County
"cochise": 2.1, // Example rate for Cochise County
"coconino": 2.5, // Example rate for Coconino County
"gila": 1.8, // Example rate for Gila County
"graham": 1.7, // Example rate for Graham County
"greenlee": 1.6, // Example rate for Greenlee County
"la_paz": 2.0, // Example rate for La Paz County
"maricopa": 2.7, // Example rate for Maricopa County (general, varies significantly by city)
"mohave": 1.9, // Example rate for Mohave County
"navajo": 2.2, // Example rate for Navajo County
"pima": 3.1, // Example rate for Pima County (Tucson is higher)
"pinall": 2.3, // Example rate for Pinal County
"santa_cruz": 2.4, // Example rate for Santa Cruz County
"yavapai": 2.6, // Example rate for Yavapai County
"yuma": 2.8 // Example rate for Yuma County
};
var selectedCountyRate = countyRates[county] || 0; // Default to 0 if county not found
// Ensure specialDistrictRate is a valid number, default to 0 if not
if (isNaN(specialDistrictRate)) {
specialDistrictRate = 0;
}
// Ensure purchaseAmount is a valid number, default to 0 if not
if (isNaN(purchaseAmount) || purchaseAmount < 0) {
document.getElementById("result-value").innerText = "$0.00";
return; // Exit if purchase amount is invalid
}
var totalRate = stateRate + selectedCountyRate + specialDistrictRate;
var salesTaxAmount = purchaseAmount * (totalRate / 100);
// Format the result to two decimal places
document.getElementById("result-value").innerText = "$" + salesTaxAmount.toFixed(2);
}