🐾 100% Free Dog Tools

Free Dog Calculators for Happy, Healthy Dogs

Simple, accurate tools for every dog owner. Find your dog’s age in human years, how much to feed it, its ideal weight and more — in seconds.

Our Dog Calculators

Pick a tool below to get started. No sign-up, no cost.

Convert dog years to human years based on your dog’s size.

Find daily calories and cups of food for your dog.

Estimate how big your puppy will be as an adult.

See if your dog is a healthy weight and find its target.

Get your dog’s due date and pregnancy timeline.

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Get clear answers in seconds. No confusing math or long forms.

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Our tools use formulas commonly used by veterinarians, explained in plain English.

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Use every calculator for free on your phone, tablet or computer.

Are MyDogMetrics calculators free?

Yes. Every calculator on MyDogMetrics is 100% free, with no sign-up needed.

How accurate are these dog calculators?

Our tools use common veterinary formulas and give good estimates. Every dog is different, so always check important decisions with your vet.

Do the calculators work on my phone?

Yes. All tools work on phones, tablets and computers.

Can I suggest a new dog calculator?

Absolutely! Visit our Contact page and tell us which tool you would like to see next.

Tell us which tool would help you and your dog — we read every message.