10% off $20 is a discount of $2, so the final sale price is $18. Use the calculator below to change the numbers, or read the step-by-step math.
Formula: $20 × 0.10 = $2 discount. Then $20 − $2 = $18 sale price.
10% off $20 is a discount of $2, so the final sale price is $18.
You save exactly $2. Your out-the-door price (before tax) drops from $20 to $18.
The sale price is $18. Math check: $20 − ($20 × 10/100) = $18.