What is 10% off $30?
Price after 10% off
$27.00
You save $3.00
How it's calculated
- Find the discount: 10% of $30 = $30 × 0.1 = $3.00
- Subtract it from the price: $30 − $3.00 = $27.00
Shortcut: with 10% off you pay 90% of the price, so multiply $30 × 0.9 = $27.00 in one step.
Sales tax, if any, is usually added after the discount and isn't included here.