Sales Tax Calculator – Before & After Tax Price Calculator

Calculate sales tax quickly. Find before-tax price, after-tax price, or tax rate. Enter any two values to calculate the third instantly.

Sales Tax Calculator

The Sales Tax Calculator can compute any one of the following, given inputs for the remaining two: before-tax price, sale tax rate, and final, or after-tax price.

💡 Tip: Enter any two values (before-tax price, tax rate, or after-tax price) and the calculator will instantly compute the missing value.

Sales Tax Calculator

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Result

Before Tax Price:
$100.00
Sale Tax:
6.50% or $6.50
After Tax Price:
$106.50
Description Amount
Before Tax Price $100.00
Tax Rate 6.50%
Tax Amount $6.50
After Tax Price (Total) $106.50

Your Input

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Frequently Asked Questions

How is sales tax calculated?

Sales tax is calculated by multiplying the before-tax price by the tax rate:

Tax Amount = Before-Tax Price × Tax Rate After-Tax Price = Before-Tax Price + Tax Amount

Example: $100 item with 6.5% tax:

Tax Amount = $100 × 0.065 = $6.50
After-Tax Price = $100 + $6.50 = $106.50
What is sales tax?

Sales tax is a consumption tax imposed by state and local governments on the sale of goods and services at the point of purchase.

Key characteristics:

  • Added at the time of sale/checkout
  • Paid by the consumer, collected by the seller
  • Varies by state, county, and city
  • Different for different product categories
  • Used for local government funding
Does sales tax apply to all items?

No. Many items are exempt from sales tax depending on your state and country:

Commonly exempt items:

  • Groceries and food items
  • Prescription medications
  • Medical equipment
  • Clothing (in some states)
  • Newspapers and magazines
  • Services (varies by state)
  • Agricultural items

Note: Restaurant meals, snacks, and prepared foods usually ARE taxed.

What is the average sales tax rate?

The average U.S. sales tax rate is approximately 7-8%, but rates vary significantly:

U.S. Sales Tax Statistics (2024):

  • Highest: California (7.25% - can reach 10%+ with local)
  • Average combined rate: ~8.63%
  • No state sales tax: Delaware, Montana, New Hampshire, Oregon
  • Lower rates: Colorado (4.63%), Georgia (4%), Hawaii (4.17%)
Remember: Local and county taxes can be added to state tax, significantly increasing the total rate.
Can I calculate the price without tax?

Yes! This calculator works with any two known values:

If you know After-Tax Price and Tax Rate: Before-Tax Price = After-Tax Price / (1 + Tax Rate)

Example: You paid $106.50 total with 6.5% tax:

Before-Tax Price = $106.50 / 1.065 = $100.00
Tax Amount = $106.50 - $100.00 = $6.50
Why does sales tax matter?

Sales tax is important for several reasons:

  • Budgeting: The final price is higher than advertised
  • Business Planning: Must account for tax in profit calculations
  • Pricing: Retailers must decide if price includes tax
  • Comparisons: Makes comparison shopping more complex
  • Travel: Different rates in different locations
  • Online Shopping: May or may not include local taxes
Is sales tax included in the displayed price?

In the United States: Generally NO. The displayed price is before tax.

  • You see $100, but pay $106.50 (with 6.5% tax)
  • Tax is added at checkout
  • Exception: Some states require tax-inclusive pricing for some items

In other countries: Often YES. Many countries display prices including tax.

  • EU countries: Prices include VAT
  • Canada: Some provinces include GST/HST
  • Australia: Prices include GST
How to find the sales tax rate in my area?

Methods to find your local sales tax rate:

  • State Tax Department: Visit your state's revenue or tax department website
  • City/County Website: Local government sites list local tax rates
  • Receipt: Check a recent receipt to see the tax rate applied
  • Online Tools: Use ZIP code lookup tools for combined rates
  • Ask Store: Retailers know the exact rate for their location
Important: Sales tax rates can vary by ZIP code or even individual addresses due to local taxes. Always verify for your specific location.