Dog feeding by weight

Last updated: November 3, 2026

A quick reference of estimated daily calories for common adult dog weights. The low end assumes a less active or weight-loss-prone dog (×1.2 RER); the high end assumes an active dog (×2 RER). Most typical adults fall somewhere in between.

Body weightEstimated daily calories
10 lb (4.5 kg)261–435 kcal/day
20 lb (9.1 kg)439–732 kcal/day
50 lb (22.7 kg)873–1,455 kcal/day
80 lb (36.3 kg)1,242–2,070 kcal/day

These are estimates only. Individual needs can vary by 20–30% or more, and this table does not cover puppies, kittens, seniors, or pets with medical conditions. It is educational information, not veterinary advice.

For a personalised estimate — including cups per day for your food — use the full dog food calculator. See the methodology for how these figures are produced.