Input your weight below to calculate how much fluid you should be drinking during demanding activities, according to the Galpin Equation.
Note that this isn’t a guideline for for general hydration.
Amount to drink:
Further Reading:
- The Galpin Equation – how to calculate it and why it’s important for sports hydration
- Andy Galpin Supplements – supplements he uses with his athletes for optimal sports performance and recovery
Disclaimer: The above information is for research and educational purposes only and not a substitute for professional medical advice. See full medical disclaimer.
Note: We have no affiliation with Andy Galpin - this article is based on publicly shared information.
