Science-based fitness calculators for BMI, BMR, TDEE, body fat, macros, and hydration. Fast, accurate, and built by a developer who values precision and clean design.



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Science-based fitness calculators for BMI, BMR, TDEE, body fat, macros, and hydration. Fast, accurate, and built by a developer who values precision and clean design.




Happy Scale smooths out your daily scale weights so you can get insightful predictions about your weight loss rate, when you'll hit your goals.



Libra lets you monitor your weight with a trend line, share charts and sync your progress with the cloud.






BMI calculator is free app that allows you to calculate Body Mass Index and percentage of fat in your body.




