How Much Water Should a 10 lb Dog Drink a Day?

10 fl oz/day

10 lb dog · ≈ 1.2 cups · 0.30 litres per day

Daily water for a 10 lb dog

Situation	fl oz	Cups	Litres
Typical day	10	1.2	0.30
Low (wet food diet)	5	0.6	0.15
Hot day / active	15	1.9	0.44
Upper normal limit	20	2.5	0.59

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

How much water should a 10 lb dog drink?

About 10 fl oz (1.2 cups, 0.3 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 20 oz (2 oz/lb) a day can signal diabetes, kidney disease or Cushing’s – see your vet.