Contact

One address for everything: [email protected]. A human reads it, usually within a few days.

Corrections come first

Found a wrong number, a stale source, or a calculator disagreeing with its own chart? That's the most valuable mail we get, and it jumps the queue. Include the page link and what you expected to see; our methodology page shows the sources we work from.

Good reasons to write

The one thing we can't help with

Questions about your pet's health. We're not veterinarians, and no responsible answer fits in an email from strangers. If something feels wrong with your pet, call your vet; if it feels urgent, call them now.