Switching the energy unit in Samsung Health from calories to kilojoules is a reasonable concern, especially if you're accustomed to using kilojoules, as many Australians are. As of my last update in January 2022, Samsung Health didn't have an explicit option to change the energy unit from calories to kilojoules within its settings.
However, there might be a workaround that could help you track your data in kilojoules on a Samsung Galaxy Watch. Some third-party apps might offer this functionality or conversion feature. It's worth exploring the Galaxy Store or other app marketplaces that offer health or fitness apps compatible with Samsung devices. Look for apps that specialize in fitness tracking and energy expenditure, as they might provide the option to display data in kilojoules.
Alternatively, you can manually convert the calories to kilojoules using a conversion factor. One calorie is approximately equal to 4.184 kilojoules. So, if you're comfortable doing the math, you could manually calculate your energy expenditure in kilojoules based on the data shown in Samsung Health.
While I can't guarantee the availability of a specific app or feature for this purpose, I recommend checking the Galaxy Store or reaching out to Samsung support for the most current information regarding energy unit customization in Samsung Health for the Galaxy Watch.
