Pet Weight Converter
Convert pet weight between kilograms and pounds with breed reference ranges for dogs and cats.
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Cats: Siamese 6-10 lbs | Persian 7-12 lbs | Maine Coon 10-25 lbs
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Pet weight conversion is simple arithmetic between kilograms and pounds, but it comes up constantly for a practical reason: vets, food labels, and medication doses don’t all use the same unit.
The conversion:
- 1 kg = 2.2046 lbs
- 1 lb = 0.4536 kg
Dog breed ranges:
- Chihuahua: 2-6 lbs (1-3 kg)
- Beagle: 20-30 lbs (9-14 kg)
- Labrador Retriever: 55-80 lbs (25-36 kg)
- German Shepherd: 50-90 lbs (23-41 kg)
- Great Dane: 110-175 lbs (50-80 kg)
Cat breed ranges:
- Siamese: 6-10 lbs (2.7-4.5 kg)
- Maine Coon: 10-25 lbs (4.5-11 kg)
- Average domestic cat: 8-11 lbs (3.6-5 kg)
The reason this conversion matters is dosing. Most veterinary medications, including flea and worming treatments, are dosed by body weight in kilograms, while many owners picture their pet in pounds. Get the conversion wrong and you risk under-dosing (no effect) or over-dosing, which is a genuine danger in small animals, so it’s worth double-checking.
Treat the breed ranges as guides, not targets. A healthy weight depends on the individual animal’s frame, and the better test is body condition: you should be able to feel the ribs easily without seeing them. When in doubt, a vet’s assessment beats any chart.
How we build and check this converter
This converter runs entirely in your browser, so the numbers you enter stay on your device. The math behind it is written by hand and tested against worked examples and standard references before the page goes live.
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