# kJ 2 Cal — Convert KJ to calories

> Converts kilojoules to calories and calories to kilojoules. (iPhone/iPad app by George Howes.)

- Source: https://appshunter.io/ios/app/kj-2-cal/id1497499043 (this page in markdown: same URL + `.md`)
- Developer: [George Howes](https://appshunter.io/developer/918744714)
- Category: Health & Fitness, Utilities
- Price: $0.99
- Age rating: 4+
- Requires: iOS 10.0 · 83 MB
- Languages: American English
- Released: 2020-02-06
- Data updated: 2026-08-24
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/kj-2-cal/id1497499043/reviews.md

## What is kJ 2 Cal?

Need to know how many calories are in your food when only KJs are listed on the packet? Well, this is the app for you.

KJ 2 Cal lets you easily convert kilojoules into calories in a single tap, and vice versa. It even comes with some default settings for super quick conversions.

## Key features

- Kilojoule to calorie conversion
- Calorie to kilojoule conversion
- Quick conversion with default settings
- Simple, single-tap interface

## Recent user reviews (6 of 6)

All indexed reviews: https://appshunter.io/ios/app/kj-2-cal/id1497499043/reviews.md

### 5/5 — Great UI and the converter works well!

*2021-01-06*

This app has a great user interface and the converter works well. Worth the purchase!

### 5/5 — Just what I need!

*2020-12-25*

Perfect little app for quick conversions of calories and kilojoules!

### 2/5 — Number cut in half iPhone X

*2020-08-05*

Same problem as iPhone 6 user. Makes it difficult to read conversion.

**Developer response:** Hi there, thanks for reporting this bug! We've fixed it in the latest version. Please update your app to resolve the issue.

### 3/5 — Not great on an IPhone 6

*2020-05-04*

Not sure if it’s my model of phone that this app is not compatible with but I have an iPhone 6s and some of the digits on the app are chopped in half.

**Developer response:** Hi there, thanks for reporting this bug! We've fixed it in the latest version. Please update your app to resolve the issue.

### 1/5 — iPhone X doesn’t like this app

*2020-04-01*

The converted figure is half obscured by the unit name in the converted field. How annoying. Can you fix in an update

**Developer response:** Hi there, thanks for reporting this bug! We've fixed it in the latest version. Please update the app to resolve the issue.

### 5/5 — Simple and straight forward

*2020-02-29*

Typo, says “brun” rate.

**Developer response:** Hi there, thanks for reporting this typo! we've fixed it in our latest version.

## Frequently asked questions about kJ 2 Cal

### What is kJ 2 Cal?

kJ 2 Cal is a mobile application designed to convert kilojoules (kJ) to calories (kcal) and vice versa. It helps users understand the energy content of food when labels only display kilojoule values.

### How does kJ 2 Cal work?

The app allows for easy conversion between kilojoules and calories with a single tap. It also includes default settings for faster, more frequent conversions.

### Is kJ 2 Cal free?

No, kJ 2 Cal is a paid application. It is available for purchase at $0.99.

### What devices does kJ 2 Cal support?

kJ 2 Cal is compatible with iPhones and iPods. It is suitable for users who own Apple devices within this range.

### When was kJ 2 Cal last updated?

The latest version of kJ 2 Cal, 1.0.1, was released on December 20, 2020. This indicates the app has been stable since its initial release in February 2020.

### What is the age rating for kJ 2 Cal?

kJ 2 Cal has an age rating of 4+. This means it is suitable for users of all ages, with no mature content.

### Does kJ 2 Cal have ads?

No, kJ 2 Cal does not contain advertisements. As a paid app, it offers an ad-free experience for its users.

## Version history (last 2 releases)

### 1.0.1 — 2020-12-20

- We've fixed an issue that was causing the converted result to be cut off on some devices.
- Small spelling error fix, no longer brun rate.

### 1.0 — 2020-02-06

No release notes.

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## More apps by George Howes

- [Tap Time](https://appshunter.io/ios/app/tap-time/id1571256577)
- [Dice App](https://appshunter.io/ios/app/dice-app/id1579141657)

All apps by George Howes: https://appshunter.io/developer/918744714

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-24.*