How to Calculate a Discount
Multiply the original price by the discount percentage to find the amount saved, then subtract it from the original price. Sales tax, when entered, is applied to the discounted price.
Formula
Sale price = Original price × (1 − Discount rate)
Calculation Standards
This tool uses documented formulas and high-precision internal values. Displayed results may be rounded for readability. Review the assumptions and verify important decisions with a qualified professional.
Read our calculation methodology