Calculyn

Unit Price Calculator

Compare two products by price per unit to find the better deal.

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units
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units

Results update as you type.

Item B is the better deal

14.2%cheaper per unit
Item A per unit
$0.312
Item B per unit
$0.268
Item B is the better deal14.2%

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How it works

Divide each price by its size in the same unit (ounces, grams, count). The lower price per unit is the better value.

Formula

Unit price = Price ÷ Size

Example

16 oz for $4.99 is $0.312/oz; 28 oz for $7.49 is $0.268/oz — Item B is 14.2% cheaper per ounce.

Assumptions & limitations

  • Results are rounded for display.

Frequently asked questions

Do sizes need the same unit?

Yes — convert both to ounces, grams or count first.