Start with a formula. Trust your own trend only when the data supports it.
Maintenance calories, minus false precision
Transparent calorie tools and guidance for estimating maintenance calories, checking activity assumptions and using a stable weight-and-intake trend carefully.
Your own data · August 26, 2026
A watch sync can add a big calorie bonus or cross out a workout you logged. See which number moved, how apps avoid double counting and where duplicates sneak in.
Guide
Estimate maintenance calories, inspect the activity assumption and use your own data only when your weight trend is stable enough.
Your own data · August 26, 2026
A watch sync can add a big calorie bonus or cross out a workout you logged. See which number moved, how apps avoid double counting and where duplicates sneak in.
Your own data · August 25, 2026
One higher weigh-in does not mean your maintenance calories changed. Make your weigh-ins comparable and look for a trend before changing the estimate.
Formulas and assumptions · August 4, 2026
Two calorie calculators can differ by hundreds of calories. Check the equation, activity factor, result type and rounding before choosing a starting point.
Maintenance calories · August 4, 2026
Estimate maintenance calories with Mifflin-St Jeor, then check 14 to 28 days of weight and calorie data privately in your browser.
