Dog Feeding Calculator

How to Tell If You're Feeding the Right Amount

The calculator gives you a starting point. Your dog's actual body condition is the only reliable feedback loop. Check weekly:

Why Bag Guidelines Are Just a Starting Point

The feeding guidelines on kibble bags are based on average unspayed/unneutered adult dogs at moderate activity. The actual energy needs of any given dog can vary by 50% or more from the bag recommendation due to:

• Neuter status: Spayed and neutered dogs have ~25–30% lower caloric needs than intact dogs of the same weight — this is a well-established metabolic effect.
• Individual metabolic rate: Just like humans, some dogs burn calories faster than others. Husky-type breeds often need far less than their size would suggest when kept as pets rather than sled dogs.
• Age: Senior dogs typically need 20–30% fewer calories than they did at peak adult activity, but also need higher-quality protein to maintain muscle mass.
• Health conditions: Hypothyroidism (very common in breeds like Golden Retrievers, Labrador Retrievers, and Dobermans) can reduce caloric needs by 10–20%.

The formula this calculator uses is based on the Resting Energy Requirement (RER) — a standard veterinary calculation using the formula: RER = 70 × (body weight in kg)^0.75. This is then multiplied by a life stage and activity factor to estimate Daily Energy Requirement (DER).