Free tool
Unit price calculator
Which size is really cheaper? Enter the price and size of two packages. We'll compare them per ounce, fluid ounce or item, even if one is in pounds and the other in ounces. Nothing is stored.
Result
Package A is cheaper by about 13% per oz.
- Package A, per oz
- $0.109
- Package B, per oz
- $0.125
Cheaper per unit only saves money if you'll use it before it spoils.
Unit price tips
- Most shelf tags already show a unit price in small print. Check both tags use the same unit.
- Sales on small sizes often beat the bulk size.
- For produce sold by the item, weigh one on the store scale to compare with loose produce sold by the pound.