Discount & Sale Calculator
Calculate sale prices, savings amounts, and final costs after percentage or dollar discounts. Compare multiple discount offers instantly.
Runs in your browser. No data leaves your device.
Frequently Asked Questions
How does the Discount Calculator work?
The tool computes discount amount as price * (percentage / 100), then subtracts it from the original price to get the sale price. For reverse calculations, it divides the sale price by (1 - percentage/100) to recover the original price. All results update in real time as you type.
How do I calculate a sale price from a percentage discount?
Enter the original price and the discount percentage. The tool instantly shows the sale price and how much you save. For example, 20% off a $50 item gives you a $40 sale price and $10 savings.
Can I compare multiple discounts?
Yes. You can enter different discount percentages to compare which deal saves you more money. This is useful when deciding between "30% off" vs "$15 off" on different items.
Can I calculate the original price from a sale price?
Yes. If you know the sale price and the discount percentage, the tool can reverse-calculate what the original price was before the discount.