Discount Calculator
Calculate discounts on products or services. Find the sale price, amount saved, and percentage off with this easy-to-use tool.
How it works: Enter the original price and either the discount percentage, discount amount, or final price. Our calculator will automatically determine all the values for you.
How to Use the Discount Calculator
Step 1: Enter the Original Price
Start by entering the full original price of the item before any discounts.
Step 2: Enter ONE of the Following
- Discount Percentage - The percentage amount off the original price (e.g., 25%)
- Discount Amount - The dollar amount that's being deducted (e.g., $25.00)
- Final Price - The price after the discount has been applied
Step 3: Optional Information
- Quantity - The number of items you're purchasing (default is 1)
- Tax Rate - The applicable sales tax percentage for your location
Step 4: Calculate
Click the "Calculate Discount" button to see your results with detailed breakdown.
Common Discount Calculations
Calculating Sale Price from Discount Percentage
To calculate the sale price when you know the discount percentage:
- Multiply the original price by the discount percentage
- Divide by 100 to get the discount amount
- Subtract the discount amount from the original price
Formula: Sale Price = Original Price - (Original Price × Discount Percentage ÷ 100)
Finding the Discount Percentage
To calculate the discount percentage when you know the original and sale prices:
- Subtract the sale price from the original price to get the discount amount
- Divide the discount amount by the original price
- Multiply by 100 to get the percentage
Formula: Discount Percentage = ((Original Price - Sale Price) ÷ Original Price) × 100