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Have a question about one of our calculators, spotted a mistake, or want to suggest a new tool? Send us a message below and we’ll get back to you.

We only use your email to reply to you. For pet emergencies, contact your veterinarian — we can't give medical advice.

Please note: we can’t give medical advice about individual pets. If your pet is sick or may have eaten something toxic, contact your veterinarian, an emergency animal hospital, or a pet poison hotline right away.