What is 40% off $30?
Price after 40% off
$18.00
You save $12.00
How it's calculated
- Find the discount: 40% of $30 = $30 × 0.4 = $12.00
- Subtract it from the price: $30 − $12.00 = $18.00
Shortcut: with 40% off you pay 60% of the price, so multiply $30 × 0.6 = $18.00 in one step.
Sales tax, if any, is usually added after the discount and isn't included here.