Tools
Biohacking tools and calculators
Simple tools that give you numbers on your fitness and health, calculated with formulas from published research, and a breathing guide you just follow with your eyes. Everything runs in your browser, and nothing is stored.
Breathing exercise
Follow an animated guide for box breathing or 4-7-8 breathing. It counts for you, so you can just breathe.
Open the tool →Heart rate zone calculator
Your max heart rate from the Norwegian HUNT study, training zones, Norwegian 4x4 targets and your resting heart rate.
Open the tool →BMR and calorie calculator
Your basal metabolic rate and daily calories with the Henry equations, the ones EFSA uses in Europe.
Open the tool →Waist-to-height ratio
Measure your waist and see your waist-to-height ratio and waist size against the guidelines.
Open the tool →