Unit Price Calculator
Add the products you are choosing between with their price and pack size. The calculator converts everything to a common unit and marks the best deal.
| Product | Price | Quantity | Unit | Price per unit | |
|---|---|---|---|---|---|
| — | |||||
| — |
About this tool
A bigger pack is not always cheaper, and prices per 100 g, per litre or per piece are what let you compare a 750 g box with a 1.2 kg bag. Shops must show unit prices in many countries, but they are small, sometimes in different units, and missing on discounted items. Typing the price and size here does the arithmetic and shows how much more, in percent, each alternative costs.
Weights, volumes, lengths and counts are each compared within their own group, so grams are converted to kilograms and millilitres to litres before comparison. Imperial units are converted too, so ounces and pounds can be compared with grams. The calculator is currency-agnostic: enter every price in the same currency.
Frequently asked questions
- Can I compare different units?
- Within the same kind, yes: grams with kilograms or ounces, millilitres with litres or fluid ounces. Weight cannot be compared with volume.
- How many products can I compare?
- Up to ten at a time.
- Which currency does it use?
- None in particular. Enter all prices in the same currency and the results are in that currency per unit.