How Much Water Should a 5 lb Dog Drink a Day?

5 fl oz/day

5 lb dog · ≈ 0.6 cups · 0.15 litres per day

Daily water for a 5 lb dog

Situation	fl oz	Cups	Litres
Typical day	5	0.6	0.15
Low (wet food diet)	2	0.3	0.07
Hot day / active	8	0.9	0.22
Upper normal limit	10	1.2	0.30

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

How much water should a 5 lb dog drink?

About 5 fl oz (0.6 cups, 0.1 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 10 oz (2 oz/lb) a day can signal diabetes, kidney disease or Cushing’s – see your vet.