How Much Water Should a 70 lb Dog Drink a Day?

70 fl oz/day

70 lb dog · ≈ 8.8 cups · 2.07 litres per day

Daily water for a 70 lb dog

Situation	fl oz	Cups	Litres
Typical day	70	8.8	2.07
Low (wet food diet)	35	4.4	1.03
Hot day / active	105	13.1	3.10
Upper normal limit	140	17.5	4.14

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

How much water should a 70 lb dog drink?

About 70 fl oz (8.8 cups, 2.1 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 140 oz (2 oz/lb) a day can signal diabetes, kidney disease or Cushing’s – see your vet.