Discount calculator

The Discount Calculator provides a quick and convenient way to assess the impact of discounts on prices.

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Discount Calculator Explanation:

A discount calculator is a tool used to determine the reduced price of a product or service after applying a discount percentage to its original price. This is commonly used in retail, online shopping, and various industries to help consumers and businesses understand the final cost of an item after a discount has been applied.


The basic formula for calculating the discounted price is:

\[ \text{Discounted Price} = \text{Original Price} - (\text{Original Price}

 \times \text{Discount Percentage}) \]

Components of the Formula:

Original Price: This is the initial cost of the product or service before any discounts are applied.

Discount Percentage: This is the percentage by which the original price is reduced. For example, if the discount is 10%, the discount percentage would be 0.10 in decimal form.

Discounted Price: This is the final cost of the item after the discount has been subtracted from the original price.


Let's say you want to buy a shirt that costs $50, and there's a 20% discount.

\[ \text{Original Price} = $50 \]
\[ \text{Discount Percentage} = 0.20 \]

Using the formula:

\[ \text{Discounted Price} = $50 - ($50 \times 0.20) \]
\[ \text{Discounted Price} = $50 - $10 \]
\[ \text{Discounted Price} = $40 \]

So, the discounted price of the shirt, after a 20% discount, would be $40.

Practical Use:

1. Online Shopping: Customers use discount calculators to understand the final price of products after applying discounts during online shopping.

2. Retail Stores: Retailers use discount calculators to tag discounted prices on products or calculate final bills during sales.

3. Business Transactions: Businesses use discount calculations in B2B transactions, bulk purchases, and negotiations.


A discount calculator simplifies the process of determining the final cost of an item after a discount, making it easier for both consumers and businesses to make informed purchasing decisions. It's a practical tool in various financial and commercial contexts.

Frequently Asked Questions FAQ

How do you calculate %discount?
To calculate the percentage discount on a product or service, you can use the following formula: \[ \text{Percentage Discount} = \left( \frac{\text{Discount Amount}}{\text{Original Price}} \right) \times 100 \] Here's a step-by-step breakdown: 1. **Find the Discount Amount:** Subtract the final discounted price from the original price to find the discount amount. \[ \text{Discount Amount} = \text{Original Price} - \text{Discounted Price} \] 2. **Calculate Percentage Discount:** Divide the discount amount by the original price and multiply by 100 to express the result as a percentage. \[ \text{Percentage Discount} = \left( \frac{\text{Discount Amount}}{\text{Original Price}} \right) \times 100 \] Let's go through an example: Suppose the original price of a product is $100, and the discounted price is $80. \[ \text{Discount Amount} = $100 - $80 = $20 \] \[ \text{Percentage Discount} = \left( \frac{$20}{$100} \right) \times 100 = 20\% \] So, in this example, the percentage discount is 20%.
How do you calculate 20% discount?
To calculate a 20% discount on a given amount, you can use the following formula: Discounted Amount = Original Amount - (Original Amount * Discount Percentage) Let's say the original amount is $100 and you want to calculate a 20% discount: Discounted Amount = $100 - ($100 * 0.20) = $100 - $20 = $80 So, the discounted amount after a 20% discount on $100 would be $80.

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