Table 5.

Water requirements expressed in relation to energy recommendations

Sex	Age	Kcals/d Estimated Energy Requirement	Al for fluid intake (ml/d)	Ratio AI ml/d: EER Kcal/d
Child	2–3	1000–1400	1300	0.93
Female	4–8	1400–1600	1700	1.06
	9–13	1600–2000	2100	1.05
	14–18	2000	2300	1.15
	19–30	2000–2200	2700	1.23
	31–50	2000	2700	1.35
	50+	1800	2700	1.5
Male	4–8	1400–1600	1700	1.06
	9–13	1800–2000	2400	1.20
	14–18	2400–2800	3300	1.18
	19–30	2600–2800	3700	1.32
	31–50	2400–2600	3700	1.42
	50+	2200–2400	3700	1.54

AI for total fluids derived from dietary reference intakes for water, potassium, sodium, chloride, and sulfate

Ratios for water intake based on the AI for water in liters/day calculated using EER for each range of physical activity. EER adapted from the Institute of Medicine Dietary Reference Intakes Macronutrients Report, 2002.