Which Is Cheaper?

Compare prices by unit. Simple, fast, free.

About This Tool

Quickly compare prices between different pack sizes. Works for groceries, household items, toiletries — any product where you need to find the best value.

How to Use

Weight — Grams (g) or Kilograms (kg)

Enter total weight, e.g. 500 for 500g, or 1.5 for 1.5kg

Volume — Millilitres (ml) or Litres (L)

Enter total volume, e.g. 750 for 750ml, or 2 for 2 Litres

Quantity — Packs or Individual Items

Enter how many items are in the pack, e.g. 6 for a 6-pack

1 Enter total price in £
2 Enter the weight, volume, or quantity
3 Select the unit type
4 Click Compare Prices
Important: Always compare the same units. g with g, ml with ml, pack with pack.

Product 1

Product 2