How Much Water Should a 125 lb Dog Drink a Day?

125 fl oz/day

125 lb dog · ≈ 15.6 cups · 3.70 litres per day

Daily water for a 125 lb dog

Situation	fl oz	Cups	Litres
Typical day	125	15.6	3.70
Low (wet food diet)	62	7.8	1.85
Hot day / active	188	23.4	5.54
Upper normal limit	250	31.2	7.39

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

How much water should a 125 lb dog drink?

About 125 fl oz (15.6 cups, 3.7 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 250 oz (2 oz/lb) a day can signal diabetes, kidney disease or Cushing’s – see your vet.