How Much Water Should a 140 lb Dog Drink a Day?

140 fl oz/day

140 lb dog · ≈ 17.5 cups · 4.14 litres per day

Daily water for a 140 lb dog

Situation	fl oz	Cups	Litres
Typical day	140	17.5	4.14
Low (wet food diet)	70	8.8	2.07
Hot day / active	210	26.2	6.21
Upper normal limit	280	35.0	8.28

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

How much water should a 140 lb dog drink?

About 140 fl oz (17.5 cups, 4.1 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 280 oz (2 oz/lb) a day can signal diabetes, kidney disease or Cushing’s – see your vet.