Purina ONE feeding guide
Every Purina ONE product carries its own feeding guidelines on the back of the pack, set out by your cat's weight and life stage, and that pack is always the accurate source for how much to feed — this page explains how to use those guidelines properly rather than replacing them with a general figure.
Using the guidelines on the pack
The feeding table on a Purina ONE bag or pouch gives an amount based on your cat's current weight, adjusted for whether they are a kitten, an adult, a senior, or need a lighter formula for weight management. Weigh your cat periodically rather than guessing, since even a small miscalculation in daily amount adds up over weeks.
If you are feeding a mix of wet and dry Purina ONE products, adjust the dry portion down to account for the wet food's calories rather than feeding both at their full individual guideline amounts, which would overfeed most cats.
When to check with your vet instead
A pack's feeding guide is a sensible starting point for a healthy cat at a normal weight, but a cat who is under- or overweight, has a medical condition, or is not maintaining a stable weight on the guideline amount needs an individually tailored plan from a vet rather than sticking rigidly to the pack figure.
A cat that is neutered, largely indoor, or naturally less active than average often needs less than the standard guideline suggests, and your vet can help set a more accurate target if the general figure does not seem to be keeping your cat at a healthy weight.
Feeding across life stages
Purina ONE's kitten formulas are designed for faster growth and higher energy needs, and the feeding table reflects that with more generous amounts relative to body weight than an adult formula carries. Moving a cat onto the adult range at the right age, following the brand's own guidance on when to switch, keeps the calorie intake matched to what a fully grown cat actually needs.
Senior formulas within the range are generally adjusted for a lower activity level and different nutritional priorities in an older cat, so it is worth transitioning at the age the pack suggests rather than keeping an ageing cat on adult food by habit.
From this brand
Everything below is in stock with us, priced with delivery worked out, and packed and posted by hand in the UK.
Purina One Kitten Chicken
Chicken kitten food with added DHA, and a feeding guide from 6 weeks to a year
From£6.65
Purina One Sensitive Cat Turkey
A complete dry food for cats with sensitive digestion, built around turkey
£19.29
Purina One Senior 7+ Bifensis Chicken
Senior cat dry food (7+) with added Bifensis probiotic and a weight-based feeding guide
£46.45
Purina One Bifensis Chicken
Complete dry cat food with chicken and a gut-health probiotic blend
£44.25
Purina One Adult Cat Urinary Health Chicken
Purina ONE's urinary health recipe for adult cats, chicken-based, 750g bag
£6.65
Purina One Adult Cat Chicken
Complete dry chicken food for adult cats, with 34% protein and a chicory prebiotic
£3.99
Purina One High Protein Salmon Dry Cat Food
A 40% protein dry cat food led by salmon, though it still contains chicken protein
£6.19
Purina One High Protein Chicken Dry Cat Food
A 40% protein dry cat food, chicken-based, with a separate feeding guide for neutered cats
£6.19
Purina One 7+ Senior Cat Salmon
A complete dry food for cats aged 7 and over, built around salmon
£17.37
Purina One Senior 7+ Chicken 2.8kg
Senior cat dry food (7+), chicken recipe, in a smaller 2.8kg bag
£19.29
Purina One Mini Fillets Mixed Selection in Gravy 40pk
Wet cat food in gravy, four flavours in mini fillets, 40 pouches
£18.15
Purina One Pouches 7+ Senior Cat Mini Fillets in Gravy 40pk
A 40-pouch box of complete wet food for senior cats, mini fillets in gravy, mixed flavours
£18.15
Common questions
- Does Purina ONE make food for kittens?
- Yes, the range includes dedicated kitten formulas alongside adult and senior lines, each with its own feeding guidelines suited to a kitten's faster growth and higher energy needs.
- How do I switch my cat onto a new Purina ONE recipe?
- Introduce it gradually over about a week, mixing increasing amounts of the new food with the old, rather than switching in one go, which reduces the chance of an upset stomach during the change.
- Should I feed the full amount shown on the pack?
- The pack amount is a guideline based on an average cat at that weight, so treat it as a starting point and adjust based on your own cat's body condition and activity level, checking with your vet if their weight is not stable.
- When should I move my cat from kitten to adult Purina ONE food?
- This varies by individual cat, but most kittens transition to an adult formula somewhere around twelve months old. Check the specific product's guidance and ask your vet if you are unsure when your cat is ready for the switch.
Related
Written by Matt Garnett, who runs Giddy Pets and is a lifelong pet owner — not a vet. This is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your animal. How we write these guides.