AI Calorie Counters: How Photo Estimates Work and What to Check
A calorie counter AI turns a photo into calories, with 24% to 36% average error in tests. See how it works, what it misses and how to cut the error.
Daniel Reyes · · 10 min readThe Calsa blog
Calorie counting, with the math shown, page 23
Daniel Reyes · · 10 min readRestaurant Menu Calorie Counter: How to Count Calories Eating Out
A restaurant menu calorie counter should use published numbers first, then gram estimates. Size gaps and unlisted extras, like 119 kcal of oil, are the misses.
Claire Donovan · · 11 min readCalories to Joules: How to Read an Australian Label
Calories to joules: 1 food Calorie is 4,184 joules, or 4.184 kJ. See how to convert kJ to calories and read an Australian nutrition panel.
Daniel Reyes · · 9 min readHow Many Calories Do I Burn a Day?
How many calories do I burn a day? About 2,437 kcal on average. See the 2023 table for women and men by activity level, plus an equation to try.
Daniel Reyes · · 10 min readHow to Track Calories: A Method That Survives a Busy Week
How to track calories: weigh the few foods that carry most of them. 10 g of olive oil is 88 kcal and 10 g of cooked rice is 13 kcal, so start with oil.
Claire Donovan · · 10 min readHow Accurate Is Apple Watch Calorie Burn?
How accurate is Apple Watch calories? Lab tests find 14.7–24.9% variation on the Apple Watch 6 and error above 20% on every wrist device tested.
Daniel Reyes · · 9 min read
