Pocket Cal/kJ

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Facts, icons and captures for Pocket Cal/kJ.

Fact sheet

What it is
An app that converts between Calories and kilojoules and puts the number in context.
Conversion
1 Calorie (kcal) = 4.184 kJ
Platforms
iOS and Android
Price
Free with ads. Pro is a one-off purchase, not a subscription.
First released
2011
Rating
4.6 from 668 ratings on the Australian App Store, as at November 2026
Foods
153 everyday foods in the comparison set (version 4.0.1 source)
Pro exercises
29 more exercises than the free set
Languages
12
Themes
Ocean Baths, Pink Salt, Last Light, Fern Gully, Apricot Hour
Main markets
Australia, New Zealand, the UK and the EU, where food labels use kilojoules
In development
A nutrition label scanner (Label Lens) and a watch app. Neither is available yet.
Store pages
App Store, Google Play

App icons

One icon for each theme. Square PNG, 1024 px.

Captures

Captured from version 4.0 builds on iOS, November 2026.