Wellness Blog

Maintenance calories are the calories you burn each day — eat that amount and your weight stays put. Here's how to calculate yours in two steps, then verify it with real data.

Your food label says kcal, your app says calories, and a chocolate bar abroad says kJ. Here's why they're all the same number — and what actually matters when you track.

Your app just handed back 400 calories for that spin class. Eating them feels like undoing the work. Here's when to eat them, when to skip them, and why "half" is usually the right answer.

Your watch nails your heart rate but can miss your calorie burn by 27-93%. Here's what the research shows, and how to use the number anyway.

Your watch shows two calorie numbers and they never match. Here's what active and total calories actually mean, and which one your weight loss math needs.