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Dog and cat age calculator
Your dog's or cat's age in human years.
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- Works on any device
About Dog and cat age calculator
Convert a dog's or cat's age to human years. The old rule of multiplying by seven is crude. Dogs age faster early on, and size matters, with large breeds aging faster later. A one-year-old cat is roughly like a 15-year-old human, and each following year adds about four.
How to use Dog and cat age calculator
- Choose dog or cat.
- Enter your pet's age and, for dogs, its size if asked.
- Read the equivalent age in human years.
Why use this tool?
- Private: everything happens in your browser. Nothing you enter is uploaded.
- Free, with no sign-up, no watermark and no limit on how often you use it.
- Works on phones, tablets and computers: Android, iPhone, Windows, Mac and Linux. Nothing to install.
- Free to embed on your own website, with a ready-made code to copy.
- Available in 10 languages.
Also known as
Frequently asked questions
Is one dog year really seven human years?
No, that is a myth. Dogs mature fast in the first two years, then age more slowly, depending on size and breed.
Why does dog size matter?
Larger dogs tend to age faster and have shorter lives than small breeds. The tool takes this into account when comparing with human years.
Is the human age exact?
No, it is a rough comparison. Health and breed vary, so use it as a fun guide and ask your vet about care for older pets.
Is Dog and cat age calculator free?
Yes. Dog and cat age calculator on Toolipedia is free to use, with no sign-up and no watermark.
Is it safe to use?
Yes. Everything is worked out in your browser, and nothing you enter is sent to our server.
Does it work on my phone?
Yes. It works in any modern browser on Android and iPhone, as well as on tablets and computers. There's nothing to install.
Do I need an account?
No. Just open the page and use the tool. There's no sign-up and no email needed.
Can I put Dog and cat age calculator on my own website?
Yes. Use the Embed on your site button under the tool to copy a short piece of code and paste it into your page. It is free, needs no account, and the tool keeps working inside your page.