Plain-English guides to kilojoules, Calories, energy factors, daily intake references and reading food labels.
Why fat has 37 kJ per gram but protein and carbohydrate only 17, how food energy factors work, where they come from, and how to use them to check any label.
Read more → about Kilojoules Per Gram: Protein, Fat, Carbs, Fibre & AlcoholA practical walk-through of the energy line on nutrition labels, per serve vs per 100 g, % daily intake, dual kJ/kcal labels and US-style panels, with worked examples.
Read more → about How To Read kJ On A Nutrition Label (Step By Step)Kilojoules, Calories, kcal and cal all measure energy, but they're not all the same size. Here's exactly how they relate, why food labels differ between countries, and how to switch between them.
Read more → about KJ Vs Calories Vs kcal: What’s The Difference?Australians count kilojoules, Americans count Calories and Europeans get both. Here's how that happened, and what it means when you shop, travel or use apps.
Read more → about Why Do Some Countries Use Kilojoules Instead Of Calories?These guides explain the building blocks of food energy. Learn the difference between kJ, kcal and Calories, why some countries label food in kilojoules, what the 8,700 kJ "average adult" figure means, and how many kilojoules each gram of protein, fat, carbohydrate, fibre and alcohol provides.
Once the basics click, the food label calculator and macros to kJ calculator put them into practice.