30% off $100 is a discount of $30, so the final sale price is $70. Use the calculator below to change the numbers, or read the step-by-step math.
Formula: $100 × 0.30 = $30 discount. Then $100 − $30 = $70 sale price.
30% off $100 is a discount of $30, so the final sale price is $70.
You save exactly $30. Your out-the-door price (before tax) drops from $100 to $70.
The sale price is $70. Math check: $100 − ($100 × 30/100) = $70.