728 × 90 Leaderboard

320 × 100 Mobile Banner

Sales Tax Calculator

Calculate sales tax and total price for any purchase.

Last updated: June 13, 2026

Calculator

Item Price

Sales Tax Rate

Results

Total Price$108.24

Tax Amount$8.25

Pre-Tax Price$99.99

Tax Rate8.25%

How to Use This Calculator

1Enter the item price before tax.
2Enter your local sales tax rate.
3View tax amount and total price.

Formula Explanation

Sales tax is calculated as a percentage of the pre-tax price and added to get the total.

Tax = Price × Tax Rate ÷ 100 Total = Price + Tax

Variables:

PricePre-tax item price

Tax RateLocal sales tax percentage

Worked Examples

$99.99 item, 8.25% tax

1. Tax = $99.99 × 0.0825 = $8.25
2. Total = $99.99 + $8.25 = $108.24

Result: $108.24 total

Why Use This Calculator

Calculate exact total before buying.
Compare prices across states.
Budget for large purchases.
Verify receipt accuracy.

336 × 280 Large Rectangle

300 × 250 Medium Rectangle

Tips & Best Practices

Sales tax varies from 0% (Oregon, Montana) to 10%+ (Tennessee, Louisiana).
Some states exempt groceries and clothing from sales tax.
Online purchases usually include sales tax based on your shipping address.
Use tax is owed on out-of-state purchases where no sales tax was collected.

Common Mistakes to Avoid

❌ Forgetting about local/county taxes.

✅ Many areas add city/county taxes on top of state rates. Check your total rate, not just the state rate.

❌ Assuming online purchases are tax-free.

✅ Since 2018 (South Dakota v. Wayfair), most online retailers must collect sales tax based on the buyer's location.

Frequently Asked Questions

What state has the highest sales tax?

Tennessee and Louisiana have the highest combined state + local rates, often exceeding 9.5%. Five states have no sales tax: Oregon, Montana, Delaware, New Hampshire, and Alaska.

Are groceries taxed?

It varies by state. Most states exempt unprepared groceries but tax prepared food. Check your state's specific rules.

336 × 280 Large Rectangle

300 × 250 Medium Rectangle

Embed This Calculator

Add the Sales Tax Calculator to your website for free. Copy the code below and paste it into your HTML.

Width

Height

<iframe src="https://redicalc.com/embed/finance/sales-tax-calculator" width="100%" height="600" style="border:none;border-radius:12px;box-shadow:0 1px 3px rgba(0,0,0,0.1);" title="Sales Tax Calculator — RediCalc.com" loading="lazy" allowtransparency="true"></iframe>

Preview embedFree to use · Attribution link included

Disclaimer: This calculator is provided for informational and educational purposes only. Results are estimates and should not be used as a substitute for professional advice. RediCalc.com makes no guarantees regarding the accuracy, completeness, or suitability of any calculations. Always consult a qualified professional before making financial, health, construction, or other important decisions.

160 × 600Skyscraper