Type a food. Get an instant verdict. Dog ate chocolate? Calculate the danger below.
Check any food instantly
⚠️ Heads up: our 31 verdicts are researched for dogs — cats process many foods differently. If your cat ate something suspicious, skip the guesswork and call your vet.
Your dog ate chocolate. Don't panic, don't guess — calculate. Built for dogs; if your cat ate chocolate, call your vet (the dose math differs).
⚠️ Sugar-free chocolate? Check the label for xylitol (birch sugar) — it's far more dangerous to dogs than chocolate itself, crashes blood sugar within 30 minutes, and can cause liver failure. That's a separate emergency: call your vet immediately.
🍫 White chocolate note: almost no theobromine at this dose — but white chocolate's high fat and sugar can trigger pancreatitis, a painful and serious inflammation. Watch for vomiting, belly pain, and loss of appetite, and call your vet if you see them.
Dose bands follow the Merck Veterinary Manual: mild signs from ~20 mg/kg, cardiotoxic effects from ~40 mg/kg, seizures possible from ~60 mg/kg, potentially lethal approaching 100+ mg/kg. Every dog is different — smaller, older, or sick dogs are at higher risk. This calculator is not veterinary advice. If your dog ate chocolate, call your vet or the ASPCA Poison Control line at (888) 426-4435 (a ~$65 consultation fee may apply) — don't wait for symptoms.
No — chocolate is toxic to dogs. It contains theobromine and caffeine, which dogs metabolize very slowly. Dark chocolate and cocoa powder are far more dangerous than milk chocolate.
How does the calculator above work?
Enter your dog's weight, the chocolate type, and the amount eaten. It estimates the theobromine dose in mg per kg of body weight: LOW under 20, MODERATE 20–40, SEVERE at 40 and above.
My dog ate chocolate — what do I do first?
Calculate the dose above, then call your vet immediately — don't wait for symptoms. Note the time eaten, the type, and the amount so your vet can act fast.
How much chocolate is dangerous for a 20-pound dog?
It depends on the type. A 20-lb dog (about 9 kg) hits the 20 mg/kg moderate zone at roughly 3 oz of milk chocolate — but under half an ounce of baker's chocolate. Darker means more dangerous per ounce.
Is white chocolate dangerous for dogs?
Barely any theobromine — but the fat and sugar can cause pancreatitis. Watch for vomiting, belly pain, and appetite loss.
What if it was sugar-free chocolate or gum?
Check for xylitol (birch sugar): it crashes a dog's blood sugar within 30 minutes and can cause liver failure. Separate emergency — call your vet now.
Not veterinary advice. When in doubt, call your vet or ASPCA Poison Control at (888) 426-4435 (a ~$65 consultation fee may apply).
