MathUpdated 2026-04-12
Discount Calculator
Enter original price, discount percentage, and tax rate to estimate the final price.
Result
Discount amount
$30.00
Sale price
$90.00
After-tax total
$97.20
Formula Explanation
Discount amount = original price x discount percentage / 100. Sale price = original price - discount amount.
How to Use
- Enter the original price.
- Enter the discount percentage.
- Add tax rate if you want an after-tax total.
Examples
Example: 25% off $120 saves $30 and gives a $90 sale price before tax.
FAQ
Can I enter zero tax?
Yes. Enter 0 if tax does not apply or if you only need the pre-tax sale price.
What is the sale price formula?
Sale price is original price minus the discount amount.