Pick your pet's weight. Every number is calculated from the same published energy formula (RER = 70 × kg0.75 times the life-stage factor), so a 20 lb dog and a 9 kg dog agree. For an exact answer with your own food, use the Dog Food Calculator or the Cat Food Calculator.
Dogs by pounds
- 5 lb dog5 lb (2.3 kg)
- 8 lb dog8 lb (3.6 kg)
- 10 lb dog10 lb (4.5 kg)
- 12 lb dog12 lb (5.4 kg)
- 15 lb dog15 lb (6.8 kg)
- 18 lb dog18 lb (8.2 kg)
- 20 lb dog20 lb (9.1 kg)
- 25 lb dog25 lb (11.3 kg)
- 30 lb dog30 lb (13.6 kg)
- 35 lb dog35 lb (15.9 kg)
- 40 lb dog40 lb (18.1 kg)
- 45 lb dog45 lb (20.4 kg)
- 50 lb dog50 lb (22.7 kg)
- 55 lb dog55 lb (24.9 kg)
- 60 lb dog60 lb (27.2 kg)
- 65 lb dog65 lb (29.5 kg)
- 70 lb dog70 lb (31.8 kg)
- 75 lb dog75 lb (34.0 kg)
- 80 lb dog80 lb (36.3 kg)
- 90 lb dog90 lb (40.8 kg)
- 100 lb dog100 lb (45.4 kg)
Dogs by kilograms
- 3 kg dog3 kg (6.6 lb)
- 4 kg dog4 kg (8.8 lb)
- 5 kg dog5 kg (11.0 lb)
- 6 kg dog6 kg (13.2 lb)
- 7 kg dog7 kg (15.4 lb)
- 8 kg dog8 kg (17.6 lb)
- 9 kg dog9 kg (19.8 lb)
- 10 kg dog10 kg (22.0 lb)
- 12 kg dog12 kg (26.5 lb)
- 15 kg dog15 kg (33.1 lb)
- 18 kg dog18 kg (39.7 lb)
- 20 kg dog20 kg (44.1 lb)
- 22 kg dog22 kg (48.5 lb)
- 25 kg dog25 kg (55.1 lb)
- 28 kg dog28 kg (61.7 lb)
- 30 kg dog30 kg (66.1 lb)
- 35 kg dog35 kg (77.2 lb)
- 40 kg dog40 kg (88.2 lb)
- 45 kg dog45 kg (99.2 lb)
- 50 kg dog50 kg (110.2 lb)
Cats by pounds
- 5 lb cat5 lb (2.3 kg)
- 6 lb cat6 lb (2.7 kg)
- 7 lb cat7 lb (3.2 kg)
- 8 lb cat8 lb (3.6 kg)
- 9 lb cat9 lb (4.1 kg)
- 10 lb cat10 lb (4.5 kg)
- 11 lb cat11 lb (5.0 kg)
- 12 lb cat12 lb (5.4 kg)
- 13 lb cat13 lb (5.9 kg)
- 14 lb cat14 lb (6.4 kg)
- 15 lb cat15 lb (6.8 kg)
- 16 lb cat16 lb (7.3 kg)
- 18 lb cat18 lb (8.2 kg)