What is 20% off $40?
Price after 20% off
$32.00
You save $8.00
How it's calculated
- Find the discount: 20% of $40 = $40 × 0.2 = $8.00
- Subtract it from the price: $40 − $8.00 = $32.00
Shortcut: with 20% off you pay 80% of the price, so multiply $40 × 0.8 = $32.00 in one step.
Sales tax, if any, is usually added after the discount and isn't included here.