Discount Price Calculator
Calculate the discounted price and dollar savings from a list price and percent off. Useful for retail tags and online carts.
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Result
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Formula
The discount percentage is applied to the original price. Savings equals original minus final price.
Worked Example
Understanding Retail Discount Pricing
- Final price formula: multiply the original price by (1 minus the discount rate). A 30% discount on $200 gives $200 times 0.70 = $140
- Reverse calculation: to find what percentage off a sale price represents, divide the savings by the original price and multiply by 100
- Finding original price: if you know the sale price and discount, divide the sale price by (1 minus the discount rate). A $70 item at 30% off had an original price of $100
- Clearance math: successive markdowns compound. A 20% off followed by an additional 30% off is not 50% off total, it is 44% off the original price
Use this calculator to verify retail price tags, compare clearance deals, and plan your shopping budget before heading to the checkout.
You can also calculate changes using our Shopping Discount Calculator or Coupon Calculator.
Frequently Asked Questions
How do I calculate the original price from a sale price?
Divide the sale price by (1 minus the discount percentage as a decimal). For example, if an item is $70 after a 30% discount: $70 divided by 0.70 equals $100 original price.
Are two successive discounts the same as adding them together?
No. A 20% discount followed by another 30% off is not 50% total. The second discount applies to the already-reduced price. 20% off $100 is $80, then 30% off $80 is $56, which equals a 44% total discount.
Can the discount percentage be more than 100%?
In standard retail, no. A discount above 100% would mean the store pays you, which does not happen in normal transactions. This calculator assumes standard percent-off logic.
How do I compare price-per-unit across different discount deals?
Calculate the final discounted price for each item, then divide by the quantity or unit size. The lowest price per unit represents the best value regardless of the discount percentage shown.
Why does the online cart show a different price than this calculator?
Online carts may apply taxes, shipping fees, membership discounts, or coupon stacking rules that change the final total. This calculator shows the pure math of a single percent-off discount on the listed price.
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I can help you understand the discount price calculator formula, interpret your results, and answer follow-up questions.
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