How Much Water Should a 55 lb Dog Drink a Day?

55 fl oz/day

55 lb dog · ≈ 6.9 cups · 1.63 litres per day

Daily water for a 55 lb dog

Situation	fl oz	Cups	Litres
Typical day	55	6.9	1.63
Low (wet food diet)	28	3.4	0.81
Hot day / active	82	10.3	2.44
Upper normal limit	110	13.8	3.25

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

How much water should a 55 lb dog drink?

About 55 fl oz (6.9 cups, 1.6 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 110 oz (2 oz/lb) a day can signal diabetes, kidney disease or Cushing’s – see your vet.