Bracken

Free tool

GLP-1 water intake calculator

Estimate daily water from body weight and activity, helpful when nausea or constipation hits on semaglutide or tirzepatide.

Arithmetic only, not medical advice. Follow your prescriber and pen/vial label.

Water intake

Rough daily fluid target from body weight (~30 ml/kg). GLP-1s often increase thirst needs - increase slowly if you're not used to drinking much.

kg
Enter your weight to see a daily water target.