75% of adults are living with chronic mild dehydration. This can affect your energy level, health and overall mood. Use the calculator below to find your suggested daily intake.

Use code HYDRATE20 for 20% off your first purchase of ZULU bottles to help you stay hydrated.

Disclaimer: This calculator is meant to give a general indication of fluid intake. It should not take the place of specific individual needs, medical advice or common sense. If the conditions of your activity change, you should reassess your hydration strategy accordingly.