Pet Calculators

Handy, privacy‑friendly calculators for everyday pet care. Everything runs in your browser, opens fast on mobile, and is simple to use — no accounts, no tracking, just clear results you can reference at the vet, on a walk, or at home.

Browse Pets tools

About this category

This section collects practical pet‑care math: feeding amounts, activity guidance, age and growth estimates, and other small calculations that help you make day‑to‑day decisions with confidence. The emphasis is on clarity and speed. Each calculator applies reputable formulas and sensible defaults, then formats results so they’re easy to scan on a phone. You can switch units when relevant and repeat a calculation without losing your place or reloading the page.

Treat outputs as estimates, not veterinary advice. Pets vary by breed, lifestyle, health history, and environment. Use these numbers to set a reasonable starting point, then adjust based on body condition, energy, stool quality, hydration, and behavior over several weeks. If a value looks unrealistic, sanity‑check inputs: confirm units, measure consistently, and compare against typical ranges for your pet’s size and life stage. Trends over time are more informative than any single reading.

We design for privacy and reliability. Calculations run locally in your browser and aren’t sent to a server. Pages cache efficiently so tools load quickly even on spotty connections; once opened, they continue to work offline until you refresh. Interface elements maintain large tap targets, high contrast, and keyboard support for accessibility. On mobile, compact buttons help you reach many tools with minimal scrolling, while headings and copy stay light and skimmable.

Good judgment beats perfect numbers. Combine these estimates with observation, routine, and regular check‑ins with a qualified veterinarian, trainer, or behaviorist when something feels off. When you’re ready to explore more topics, return here and pick another calculator from the list — everything remains fast, consistent, and easy to use.