How Much Water Should a 75 lb Dog Drink a Day?

75 fl oz/day

75 lb dog · ≈ 9.4 cups · 2.22 litres per day

Daily water for a 75 lb dog

Situation	fl oz	Cups	Litres
Typical day	75	9.4	2.22
Low (wet food diet)	38	4.7	1.11
Hot day / active	112	14.1	3.33
Upper normal limit	150	18.8	4.44

Rule of thumb only; wet food supplies part of the water. Puppies need water available at all times.

How much water should a 75 lb dog drink?

About 75 fl oz (9.4 cups, 2.2 L) a day – the common rule of 1 oz per lb of body weight. Hot weather, exercise, nursing and dry food raise it.

When is drinking too much a concern?

Consistently more than about 150 oz (2 oz/lb) a day can signal diabetes, kidney disease or Cushing’s – see your vet.