Discount Calculator
The Discount Calculator shows the sale price after a discount, the amount you save, and the final price.
Discount Calculator
Currency
$
%
What the result means
The sale price is the original price minus the discount amount.
How to use this calculator
- 1Enter the original price.
- 2Enter the discount percentage.
- 3Press Calculate.
The formula
The calculation uses a standard, verifiable formula. Here it is in its simplest form.
Discount = Price × (Pct / 100)
Sale Price = Price − Discount
What each variable means
| Symbol | Name | Description |
|---|---|---|
| P | Price | Original price. |
| D | Discount | Discount percentage. |
Step-by-step example
Example: ₹1,000 at 20% off
Price:₹1,000Discount:20%
- 1Discount = 1000 × 0.20 = ₹200
- 2Sale price = 1000 − 200 = ₹800
Result
₹800
What changes the result
- Higher discounts mean lower sale prices.
- Discounts are calculated on the original price.
Edge cases to be aware of
Unusual situations handled correctly
- 100% discount means the item is free.
- 0% discount means no change.
Common mistakes
Avoid these errors
- Applying discount to the sale price instead of original.
Assumptions
- Discount is a percentage of the original price.
Limitations
- Does not include taxes or additional fees.
Frequently asked questions
How do I calculate a discount?+
Multiply the original price by the discount percentage divided by 100, then subtract from the original price.