What Is the Price per Ounce Calculator?
The Price per Ounce Calculator works out the unit cost of a product based on its total price and total weight in ounces. Unit pricing is the single best way to compare products that come in different package sizes — a bigger box isn't always the better deal. By reducing every option to a cost per ounce, you can spot the true value at a glance.
How to Use It
Enter the total price you pay for the item and the total number of ounces it contains. The calculator instantly divides the price by the weight to give you the price per ounce, and also shows the equivalent price per pound (16 ounces) for convenience.
The Formula Explained
The math is simple division: $$\text{Price per Ounce} = \frac{\text{Total Price (\$)}}{\text{Total Ounces (oz)}}$$ For example, if a bag of coffee costs $12.99 and contains 32 ounces, the price per ounce is \(12.99 \div 32 = \$0.4059\). To get price per pound, multiply by 16: \(0.4059 \times 16 = \$6.49\).
Worked Example
Suppose two cereal boxes: Box A is $5.99 for 16 oz, Box B is $8.49 for 24 oz. Box A \(= 5.99 \div 16 = \$0.374/\text{oz}\). Box B \(= 8.49 \div 24 = \$0.354/\text{oz}\). Box B is the better value despite the higher sticker price.
FAQ
Why use price per ounce instead of total price? Because packages come in different sizes. Unit price lets you compare apples to apples regardless of quantity.
How do I convert price per ounce to price per pound? Multiply by 16, since one pound equals 16 ounces.
Does this work for fluid ounces too? Yes — as long as your "total ounces" measures the quantity consistently, the calculation gives a valid per-unit price for liquids as well.