For life with animals.

Calculate My Pet turns everyday animal questions into numbers you can inspect: age comparisons, food-label portions, measurements, hay orders, and breeding calendars.

Who is behind the site

Calculate My Pet is operated by Jonas Lindemann. Jonas Lindemann is responsible for editorial content. View the operator details, or send a correction.

A useful estimate includes its assumptions

Every tool shows what you entered, what method it uses, a worked example, and the reference behind it. When the evidence supports only a broad comparison, the page says so. Missing breed facts remain missing.

Our current review status

No veterinarian has reviewed these calculators. The check dates describe source and calculation checks, not veterinary approval. Medication dosing and toxicity results are unavailable. Those proposed pages stay out of search until an actual qualified reviewer has evaluated the implementation.

Other estimates are educational planning tools. They do not diagnose an animal, replace individual care, prescribe a diet, or confirm pregnancy.

Simple by choice

No account is needed. The saved-pet feature keeps a single record on your own browser. We have not added advertising, affiliate links, analytics, or a newsletter form. Read how your data is handled.

Start with the calculator directory, or read how we calculate before using an estimate.