Cycling Hydration Calculator
Estimate fluid needs and bottle logistics for training and racing. Refine the plan with your measured sweat rate for higher precision.
Units
Fluid target
26fl oz/h
(0.78 L/h · 659–891 ml/h)
Total fluids
79 fl oz
Bottles needed
4
Bottle plan
Carrying 2 × 25 fl oz covers 51 fl oz. Plan 2 refills.
This tool provides a practical estimate for educational purposes. Individual needs vary with health status, environment, training, tolerance, medications and event conditions. Test your strategy during training and seek qualified medical or sports-nutrition guidance when appropriate.