Dog Chocolate Toxicity Calculator
Check if the chocolate your dog ate is dangerous.
Instant results🚨 Emergency — call your vet✓ Source-backed
Ate it in the last few hours? Don't wait for symptoms — call your vet or a poison hotline now. Don't induce vomiting unless told to.
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How this is calculated
Uses combined theobromine + caffeine (methylxanthine) content per gram from the Merck Veterinary Manual. Mild signs (vomiting, diarrhea, thirst) appear at ~20 mg/kg, heart effects at 40–50 mg/kg and seizures at ≥60 mg/kg. Individual sensitivity varies — treat any ingestion of dark or baking chocolate seriously.
Source-based educational tool; not independently reviewed by a veterinarian. Cited guidance does not imply endorsement by its authors.
Formula
Dose (mg/kg) = grams eaten × methylxanthine mg/g ÷ weight kg mg/g: white 0.04 · milk 2.3 · dark 5.3–5.6 · baking 15.5 · cocoa 28.5
Assumptions
- •Average theobromine + caffeine content; products vary
- •Thresholds: 20 mild · 40 cardiac · 60 seizures (mg/kg)
- •Not a substitute for emergency care