Feline Renal Diet Calculator

Dietary recommendations for cats with chronic kidney disease (CKD) based on IRIS staging.

Enter the cat's current body weight in kilograms. Average adult cat: 3.5-5.5 kg.
kg
International Renal Interest Society staging: Stage 1 = non-azotemic, Stage 2 = mild azotemia (creatinine 1.6-2.8), Stage 3 = moderate (2.9-5.0), Stage 4 = severe (>5.0).
Serum phosphorus level in mg/dL. Normal feline range: 3.1-6.8 mg/dL. Hyperphosphatemia accelerates CKD progression.
mg/dL
Blood urea nitrogen in mg/dL. Normal feline range: 16-36 mg/dL. Elevated BUN indicates impaired renal function.
mg/dL

Dietary Recommendations

Daily Calorie Target:-kcal/day
Calorie Range:-
Protein Recommendation:-
Phosphorus Target:-
Phosphorus Binder:-
Wet Food (approx):-cans/day (5.5 oz)
Dry Food (approx):-cups/day
References: IRIS Staging Guidelines; ISFM Consensus Guidelines on CKD (2016); Veterinary Clinics of North America: Feline Practice.
Disclaimer: Dietary changes should be made gradually under veterinary supervision. Individual patient needs may vary.