Calculating the discount percentage on an item’s list price allows you to check your math while offering coupons and promotions. Our discount calculator also makes it easy to see how much a customer will save if they choose to purchase your product or service on sale.

Additionally, you may decide to calculate a discount while comparing offers from vendors, suppliers, or other merchants. For example, you may decide to purchase supplies in bulk to take advantage of bulk sales price.

There are several benefits to calculating a percentage discount: 

• Find the discount amount: If you’re debating whether a sale price is a good bargain, the discount percentage can help you quantify your total savings.
• Calculate the final price: When you know the discount rate off an item’s original price, you can quickly figure out the discounted price.
• Calculate the original price: If a price tag has the discounted price and discount rate, it’s easy to calculate the original price.
• Compare different prices: Calculating the discount amount on various items makes it easier to choose the items with the best value.
• Negotiating price reductions: When you’re fully informed about potential deals on the market, you can confidently negotiate a better price discount from suppliers and vendors. 

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How to Calculate Discounted Price

If the discount is a fixed price, use the following formula:

Discounted price = original price – discount in dollars

If the original price is $500 and the discount is $30, then the formula would look like this:

Discounted price = $500 – $30 
Discounted price = $470

If the discount is a percentage instead of a fixed price, you’ll need to use this discount formula instead:

Discounted price = original price – [(original price × discount percentage) / 100]

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How to Calculate Discounted Price

To calculate a discount as a percentage, use this formula: 

Discount percentage = [(original price – sale price) / list price] × 100 

If the original price is $200 and the sale price is $140, here’s how to calculate discount percentage:

Discount percentage = [($200 – $140) / $200] × 100
Discount percentage = 30%

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Calculate Fixed Discount and Sale Price

If you don’t want to use a discount calculator, you can quickly find the sale price of an item in five simple steps: 

1. Locate the original price. 
2. Find the percent discount.
3. Calculate the discount in dollars.
4. Find the final price.

For example: 

1. Original price = $100 
2. Percentage discount = 20%
3. ($100 × 20%) / 100 = $20
4. $100 – $20 = $80

In this case, the sale price is $80 once you subtract the $20 discount from the original price.

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Discount Percentage FAQ

Being able to calculate a discount is one of the most useful math skills for everyday life. Whether you’re using an online discount calculator or manually calculating discounts, these are a few questions you may have about the process.

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What are the various types of discounts?

Discounts appear in many different forms. They won’t always be as obvious as seeing a sale price on an advertisement. You may also find discounts in these formats: 

• Coupons
• Flash sales
• Store credit
• Free shipping
• Free item offers
• Loyalty discounts
• Loyalty points
• Referral discounts
• Bulk discounts for multiple items

These discounts won’t always fit neatly into a discount calculator or discount formula.

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What are discount terms and conditions?

Whether it’s a percentage discount or a fixed amount off the list price, many discounts come with terms and conditions. For example, many businesses offer free shipping if a customer spends a certain minimum amount. While this isn’t the same as a discount off the list price of an item, it still reduces the final cost of placing an order.

Additionally, it encourages customers to spend more on each order to meet the threshold for the discount.

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Do customers prefer a fixed dollar amount or a percentage off?

Statistically, customers that purchase high-end products prefer to have a fixed dollar amount off instead of a percentage discount. For everyday items, however, customers prefer a percentage discount instead of a fixed dollar amount.

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How to calculate a 10% discount

If you want to calculate the sale price with a discount of 10%, use the following formula:

Discounted price = original price – [(original price × discount percentage) / 100]

With a simple percentage like 10%, you can also use basic division:

Discount in dollars = list price / 10

For example, if an item is $100 and you want to know how much a discount of 10% off is worth in dollars, the discount formula would look like this:

Discount in dollars = $100 / 10

As you can see, the discount would be $10 in that scenario. From there, you can calculate the final price by subtracting $10 from the original price of $100.

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How to calculate a 20% off discount

The following table shows the discount value and sale price for a discount of 20%:

	Discount	Total
20% off $10	$2	$8
20% off $15	$3	$12
20% off $16	$3.2	$12.8
20% off $20	$4	$16
20% off $22	$4.4	$17.6
20% off $25	$5	$20
20% off $30	$6	$24
20% off $35	$7	$28
20% of $40	$8	$32
20% off $45	$9	$36
20% off $50	$10	$40
20% of $55	$11	$44
20% off $60	$12	$48
20% off $70	$14	$56
20% off $80	$16	$64
20% off $100	$20	$80
20% off $110	$22	$88
20% off $140	$28	$112
20% off $150	$30	$120
20% off $250	$50	$200
20% off $300	$60	$240

If you routinely use our discount calculator for the same calculation, it can be helpful to create your own table. This way, you’ll have a quick reference instead of having to type the same price details into the discount calculator multiple times.

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How to calculate a 30% off discount

The following table shows the discount value and sale price for a discount of 30% off:

	Discount	Total
30% off $4.99	$1.49	$3.5
30% off $20	$6	$14
30% off $40	$12	$28
30% off $45	$13.5	$31.5
30% off $50	$15	$35
30% off $55	$16.5	$38.5
30% off $70	$21	$49
30% off $200	$60	$140