๐พ Pets
Cat Age to Human Age Calculator
Cats mature extremely quickly: the first year is worth about fifteen human years and the second adds another nine. After that each cat year is roughly four human years, with indoor cats often living well past fifteen.
How it works
Cat age
Lifestyle
Equivalent human age
Life stage
Typical lifespan
Note
Frequently asked questions
How do I use the Cat Age to Human Age Calculator?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.