About This Calculator

Unit price is the cost per standard unit of measure (per ounce, per liter, etc.). It's the most reliable way to compare products of different sizes — the product with the lowest unit price gives you the most for your money.

Shopping tips

Bigger isn't always cheaper per unit — always check the unit price.
Store brands often have a 20–40% lower unit price than name brands for identical products.
Club store bulk packs are usually 15–30% cheaper per unit than supermarkets.
Sale prices can make a smaller package cheaper per unit than a bulk one — always compare.