Unit Price Calculator

Enter the price and size of up to four products to see the price per unit and which is the better buy.

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Leave unused items blank.
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Per unit
Item 1
Item 2
Item 3
Item 4
Savings vs the priciest
Best buy

Saved Calculations

Items you add are saved in this browser.

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How to Compare Unit Prices

Unit price = price ÷ size

Use the same unit for every item. If one package is in pounds and another in ounces, convert first (1 lb = 16 oz; see the weight converter).

Worked Example

Tips

Bigger isn’t always cheaper, especially with sales and coupons. A lower unit price only saves money if you’ll use it before it spoils. Merged: Price per Unit (C129) is covered here.