SuperCalc

20% Off $100

$100 with 20% off = $80. You save $20 on the original price.

Sale Price
$80$100

You save $20 (20% off)

Discount Calculator

Calculate the sale price, savings, and optional tax.

0%50%100%
Original Price$100.00
Discount (20%)−$20.00
Final Price$80.00
You save$20.00
Quick Discounts

How to calculate 20% off $100

Step 1: Calculate the discount amount. Multiply $100 by 20 and divide by 100: $100 × 20 ÷ 100 = $20.

Step 2: Subtract the discount from the original price: $100 − $20 = $80.

Shortcut: Multiply $100 by 0.8 (which is 1 − 0.2). You get $80 directly.

FAQ

What is 20% off $100?
20% off $100 is a $20 discount. The sale price is $80. Formula: $100 × 20 ÷ 100 = $20 off.
How much do I save with 20% off $100?
You save $20. The original price is $100 and the discounted price is $80.
What is $100 minus 20%?
$100 minus 20% equals $80. This is the same as multiplying $100 by 0.8 (which is 1 − 0.2).
How do I calculate 20% off any price?
Multiply the price by 0.2, then subtract from the original. Or multiply by 0.8 directly to get the sale price.