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How much should a male Syrian hamster weigh? Is being overweight dangerous?

Updated on September 23rd, 2025

Pet's info: Small Animal | Unknown - Small Animal | Male | unneutered | 2 months and 30 days old

Hi, I was wondering how much male Syrian hamsters are supposed to weigh. I’ve noticed Almond is getting really fat and he’s already bigger than any of the other Syrian hamsters I’ve had in the past. He’s close to double the size my other adult male was already. I don’t have a gram scale currently. Is it dangerous for them to be overweight? He has a wheel and a ball.

1 Answer

Most Helpful Answer

Answered By Dr. Massimo Orioles, DVM, Cert AVP, MRCVS

Veterinarian

Published on July 31st, 2018

Yes obesity can be quite dangerous as can predispose to diabetes, joint and mobility problems, respiratory problems and hypertension.
Most commonly adult Syrian hamsters weight in between 140 and 180 grams.
I would recommend to try to avoid as much as possible fatty seeds like sunflower ones.
Typically a Syrian only requires about a tablespoon of food per day, plus a supplement or fruits and vegetables.

Hope this answer was helpful, but please do not hesitate to contact us again on the forum or by requesting a consultation if you have any more questions or to discuss it any further.

1Pet Parents found this answer helpful

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