Unit price and deals calculator

Work out the price per kilo, litre or unit and what you really save with each deal.

How it works

The price per kilo or per litre is the only way to compare packs of different sizes. And deals can mislead: 3 for 2 is a 33% discount, and second item half price only 25%.

Frequently asked questions

What is a bad-value multipack?

A multipack that costs more per kilo than buying the items separately. The calculator warns you.

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