How to Calculate Discounts, Markdowns and Sale Prices
Whether you're shopping during Black Friday, calculating end-of-season clearance bargains, or pricing products for your e-commerce store, EasyToolz Discount Calculator eliminates the guesswork and reveals your true bottom line in seconds.
- Enter the regular price: Type the sticker or list price into the original price field.
- Select discount percentage: Use the quick-preset buttons (10%, 20%, 30%, 50%) or drag the slider to match the sale tag.
- Review your savings: Instantly view the final checkout cost, the exact dollars saved, and the net markdown percentage.
The Math Behind Discount Calculations
The standard formula for calculating sale prices is straightforward:
Final Price = Original Price - Savings
To reverse-calculate the regular price when you only know the discounted sale price and the discount percentage:
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Frequently Asked Questions
How do you calculate a percentage discount?
Multiply the original price by the discount percentage divided by 100 to find the savings: Savings = Original Price × (Discount % / 100). Subtract the savings from the original price to get the final sale price.
How do I find the original price if I only know the sale price?
Use our built-in reverse calculator or the formula: Original Price = Sale Price / (1 - Discount % / 100).
What is a 20% discount on $80?
20% of $80 is $16. The final price after the discount is $80 - $16 = $64.
Can I calculate stacked or double discounts?
If an item has an additional clearance discount (e.g. 20% off plus an extra 10% off), calculate the first 20% off the original price, and then apply the 10% off the reduced price.