KibbleMath

Dog math, done right.

Free, metric-first calculators for calories, food portions, growth, age and more — built on published veterinary formulas, with the working shown.

Why KibbleMath

Metric-first, label-friendly. Most dog calculators assume cups and pounds. Ours work in grams, kilograms and kcal per 100 g — the way food is actually labelled in Europe — with imperial units one tap away.

The working is shown. Every tool states the formula it uses and where it comes from, so you can sanity-check the result instead of trusting a black box.

No signup, no nonsense. Everything runs in your browser. Results are starting points to discuss with your vet — not a replacement for one.