Sales Tax Calculator

Calculate sales tax amounts, totals, and reverse sales tax. Essential tool for shopping, budgeting, and financial planning.

Sales Tax Calculator

Calculate sales tax amounts, totals, and reverse sales tax

Forward Tax

Price → Total

Reverse Tax

Total → Price

Multiple Items

Calculate for multiple items

Tax Rate

Calculate Total Price with Tax

Practical Examples

Example 1: Shopping

A $49.99 item with 8.5% sales tax.

Example 2: Restaurant Bill

A $87.50 bill with 9.25% sales tax.

Forward Calculation

Calculate total price with tax from item price

Reverse Calculation

Calculate original price from total with tax

Multiple Items

Calculate tax for shopping lists with multiple items

Detailed Breakdown

Get complete price and tax breakdown

How to Use the Sales Tax Calculator

  1. Select the type of calculation you need (forward, reverse, or multiple items)
  2. Enter the tax rate as a percentage or a fixed amount
  3. Enter the price or total amount
  4. Click the calculate button to see your results
  5. View the detailed breakdown of the calculation

Sales Tax Formulas

  • Forward Calculation: Total = Price + (Price × Tax Rate/100)
  • Reverse Calculation: Price = Total / (1 + Tax Rate/100)
  • Fixed Amount: Total = Price + Tax Amount