What is a discount calculator?
A discount calculator helps you quickly determine the final price of an item after applying a percentage discount. Enter the original price and the discount percentage to instantly see how much you will pay and how much you will save.
How to calculate a discount?
The discount amount is calculated using the formula: Discount = Price × (Discount percentage / 100). The final price: Final price = Price − Discount. For example, if an item costs €50 and there is a 20% discount: discount = 50 × 0.2 = €10, final price = 50 − 10 = €40.
What is the discount formula?
The key formulas are:
- Discount amount = Original price × Discount percentage ÷ 100 × Quantity
- Price per unit = Original price × (1 − Discount percentage ÷ 100)
- Final price = Price per unit × Quantity
Discount calculation examples
Example 1: An item costs €120 with a 25% discount. Discount = 120 × 0.25 = €30. Final price = 120 − 30 = €90.
Example 2: You buy 3 units at €45 each with a 10% discount. Price per unit after discount = 45 × 0.9 = €40.50. Final price = 40.50 × 3 = €121.50. Total savings = 4.50 × 3 = €13.50.
When to use a discount calculator?
A discount calculator is useful during sales, comparing prices between stores, planning purchases with coupons, or calculating wholesale savings. It helps you make better buying decisions when items are on sale.
How to compare discounts?
To compare different discounts, calculate the final price for each discount separately. Sometimes a smaller percentage discount on a higher original price can mean greater savings than a bigger discount on a cheaper item.