Know your numbers before you change anything
Medication is one part of weight loss. Understanding what your body actually needs is the other. These six tools run instantly in your browser and store nothing on our servers.
BMI calculator
Check your BMI and see which treatments you qualify for.
Open toolCalorie calculator
Work out your daily calories for steady, sustainable loss.
Open toolFood & calorie diary
Log meals and track calories and macros against your target.
Open toolIdeal weight
See a healthy weight range for your height and frame.
Open toolBody fat estimator
Estimate body fat percentage from simple measurements.
Open toolWater intake
How much to drink daily, important on GLP-1 treatment.
Open toolWhere to start
A sensible order to use them in
If you are at the beginning, working through these in sequence gives you a complete picture in about ten minutes.
- 1
Check your BMI
Tells you whether prescription treatment is even on the table, and what a healthy weight looks like for your height.
Open - 2
Find your calorie target
How much you burn, and what to eat for a steady loss without going unsafely low.
Open - 3
Log a fortnight of food
The gap between what you think you eat and what you actually eat is usually the whole story.
Open - 4
Track composition, not just weight
Body fat and waist-to-height show progress the scales miss, especially if you are strength training.
Open