Discount Percentage Calculator

Get the discount rate, discount amount, and final payable amount in one click. It is free to use, shows results instantly, and supports local number formats for easier input.

Number Format

Choose how numeric results should be displayed. The selected decimal symbol, dot or comma, is also used when parsing the input values.

Results

Click any result to copy it.

How to Use the Calculator

1

Choose a number format

Select the number format you want to use for decimal and thousands separators. This affects both how results are shown and how inputs are parsed.

2

Enter the original price

Type the original price of the product or service.

3

Enter the discounted price

Type the final price after the discount has been applied.

4

Review the results

The right panel instantly shows the discount amount and discount percentage. Click a result to copy it.

What Is a Discount Percentage?

A discount percentage is the rate by which the price of a product or service is reduced from its original amount. It shows how much a customer saves when buying the item or service.

Discount percentages are commonly used in retail and commerce to attract customers and drive sales. For example, if a store offers 10% off all items during a promotion, customers save 10% from the original price of each item.

Discount percentages vary across promotions and sales, so it is useful for shoppers to compare prices and discounts across different retailers to find the best deal.

Discount Formula

The formula for calculating a product price or cost discount using a percentage discount is:

Discount = Original Price × (Discount Percentage / 100)

  • Discount is the amount subtracted from the original price or cost.
  • Original price is the starting price or cost of the product.
  • Discount percentage is the percentage reduced from the original price.

For example, imagine a pair of shoes originally costs $50 and is now offered at a 20% discount. To calculate the discount you receive, use the formula above:

$50 × (20 / 100) = $10

So the discount on these shoes is $10. To find the final price after discount, subtract the discount from the original price:

Final Price = Original Price - Discount = [[$50 - $10 = $40]]

So the final price of the shoes after a 20% discount is $40.

How Do You Calculate an Amount from a Discount Percentage?

To calculate the amount from a discount percentage, you can use this formula:

Discount Amount = Original Price × (Discount Percentage / 100)

  • Discount amount is the amount subtracted from the original price or cost.
  • Original price is the starting price or cost of the product.
  • Discount percentage is the percentage reduced from the original price.

For example, imagine a shirt costs $30 and has a 20% discount. If you want to know the discount amount, use the formula above:

$30 × (20 / 100) = $6

So the discount on this shirt is $6. To find the final price after discount, subtract the discount amount from the original price:

Final Price = Original Price - Discount Amount = [[$30 - $6 = $24]]

So the final price of the shirt after a 20% discount is $24.

Examples

Example 1: Clothing discount

A jacket originally priced at 8,000 yen is being sold for 6,400 yen.

Calculation: Discount amount = 8,000 yen - 6,400 yen = 1,600 yen Discount percentage = (1,600 yen / 8,000 yen) × 100 = 20%

Discount amount: 1,600 yen, Discount percentage: 20%

Example 2: Electronics discount

A television originally priced at 50,000 yen is being sold for 45,000 yen.

Calculation: Discount amount = 50,000 yen - 45,000 yen = 5,000 yen Discount percentage = (5,000 yen / 50,000 yen) × 100 = 10%

Discount amount: 5,000 yen, Discount percentage: 10%

Example 3: Sale item discount

A pair of shoes originally priced at 3,000 yen is on sale for 1,800 yen.

Calculation: Discount amount = 3,000 yen - 1,800 yen = 1,200 yen Discount percentage = (1,200 yen / 3,000 yen) × 100 = 40%

Discount amount: 1,200 yen, Discount percentage: 40%

Frequently Asked Questions

Q1: Do I need to enter both the original price and the discounted price?

A: Yes. Both prices are needed to calculate the discount amount and discount percentage.

Q2: Can I use this calculator with any currency?

A: Yes. This calculator is currency-agnostic, so you can use yen, dollars, euros, or other currencies.

Q3: What does the number format setting affect?

A: It affects both how results are displayed and how input values are parsed. You can choose the decimal symbol and the thousands separator.

Q4: Can the discount percentage ever be more than 100%?

A: No. In a normal discount scenario it should not exceed 100%. If the discounted price is higher than the original price, the calculation will not behave like a valid discount.

Q5: What if a negative discount percentage would appear?

A: A negative discount percentage means the discounted price is higher than the original price. That usually indicates an input error.

Q6: Can I calculate multiple discounts?

A: This calculator handles a single discount. For multiple discounts, calculate each step separately and then combine the results.