Why a Sphynx needs a slightly different setup
Without a coat, a Sphynx shows weight change on his body sooner than a furred cat — ribs and belly are right there to see — yet getting him to stand still for a number is its own problem. Bare skin slides on a smooth scale platform, he feels the cold of bathroom tiles through his feet, and this is an active, people-focused breed that would rather climb you than pose. A setup that solves the slipping and the chill solves most of the fidgeting too, and gives you readings you can trust from one month to the next.
The towel-lined carrier method
Put the bathroom scale on the hardest, flattest floor you have. Line his carrier with a towel or fleece — ideally one that smells of his usual sleeping spot — and weigh the carrier with the towel inside once he has walked in and settled. Then weigh the same carrier and towel empty, and subtract. The lining gives his skin grip, keeps him warm, and makes the carrier feel like a bed rather than a trap. Read the display as soon as it settles; a Sphynx who starts kneading or turning will bounce the number, so if it never steadies, let him out and repeat rather than recording a guess.
Timing the weigh-in around baths and meals
Sphynx cats are bathed regularly to manage skin oils, and a freshly bathed, still-damp cat weighs a little more and tolerates handling a little less, so weigh on an ordinary dry day instead. Weigh before a meal rather than after one, and pick a consistent time of day so meals, litter visits, and activity do not add random variation. Because this breed runs a fast metabolism to hold body heat, genuine change can show up fairly quickly — which is exactly why consistent conditions matter, so you can tell real change from noise.
Reading the body as well as the number
Pair every weigh-in with a hands-on check that suits a hairless cat: run your palms over his ribs — you should feel them under a slight covering, not see their outline sharply or hunt for them under padding — and look at his belly profile from the side. Note skin condition while you are there, since you are already handling him. Record the number and a one-line note together; a stable weight with a greedy appetite means something different from the same weight alongside food left in the bowl.
When to involve your vet
Book a visit if the trend falls steadily while he eats as usual, if weight drops alongside loose stools, extra thirst, or a dull, greasier skin change, or if he stops eating — a Sphynx who refuses food for a day should be discussed with the clinic promptly. Steady gain paired with a widening belly and less play also earns a check, because with so little fur there is nowhere for change to hide in either direction.
A written series is what turns those home numbers into clinical evidence, and KinsLe's Pet Passport stores a Sphynx's weigh-ins alongside his skin-care notes and visit records in one packet that is ready whenever the clinic asks.