Lifesum has been designed to help our users eat better. 

The app is using an algorithm for calculating the BMI on the basis of kg/m2 (body weight in kg divided by body height in meter square).

You might encounter the following messages when trying to set you current weight - please find more details below:
  • Weight not supported
  • Number is not supported. Please try a different goal.
  • Goal weight too low. Please change your goal. 
  • Goal weight too high. Please change your goal. 
  • A word of caution

If you get one of these and wish to learn more, please contact support at for further details. Thank you!