How Much Water Should a 65 lb Dog Drink a Day?

65 fl oz/day

65 lb dog · ≈ 8.1 cups · 1.92 litres per day

Daily water for a 65 lb dog

Situation	fl oz	Cups	Litres
Typical day	65	8.1	1.92
Low (wet food diet)	32	4.1	0.96
Hot day / active	98	12.2	2.88
Upper normal limit	130	16.2	3.84

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

How much water should a 65 lb dog drink?

About 65 fl oz (8.1 cups, 1.9 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 130 oz (2 oz/lb) a day can signal diabetes, kidney disease or Cushing’s – see your vet.