ToolPronto

Water-intake estimator

See a broad daily fluid range based on weight, activity and an optional heat allowance.

Your entries stay in this browser and are never included in analytics.

Favorites are saved only in this browser.

Water-intake estimator

See a broad daily fluid range based on weight, activity and an optional heat allowance.

Your entries stay in this browser and are never included in analytics.

Estimated range2450–3150 ml
Range in liters
2.5–3.1 L
Range in fluid ounces
82.8–106.5 fl oz
Containers
5–7
How it was calculated30–35 ml/kg + (30/30 × 350–700 ml)

The result is not a prescription for plain water. Food and other drinks count, and medical needs vary.

Water-intake estimator

See a broad daily fluid range based on weight, activity and an optional heat allowance. Your entries stay in this browser and are never included in analytics. The result is not a prescription for plain water. Food and other drinks count, and medical needs vary.

Water-intake estimator — How it was calculated

  • Estimate a broad daily starting range from body weight.
  • See a non-medical adjustment for exercise time or hot conditions.
  • Convert the estimated range into bottles or cups of a chosen size.

How it was calculated

  1. See a broad daily fluid range based on weight, activity and an optional heat allowance.
  2. Your entries stay in this browser and are never included in analytics.
  3. The result is not a prescription for plain water. Food and other drinks count, and medical needs vary.