During major shopping events like Black Friday or seasonal clearance sales, tags show discounts such as "30% Off" or "Take an Extra 20% Off." Knowing how to quickly calculate the true sale price prevents checkout surprises.
Savings ($) = Original Price × (Discount % / 100)
Final Sale Price = Original Price - Savings
A coat originally priced at $120 is on sale for 25% off:
Stores often advertise: "Already 40% off, plus an extra 20% coupon at checkout!" Beware: this is not a 60% discount. The secondary 20% applies to the already discounted price, resulting in an effective 52% discount.
Avoid math headaches at the store by using our interactive Discount Calculator.