Pet Medication Dosage Calculator

Enter weight and drug strength — get exact dose in mg or ml.

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Pet Medication Dosage Calculator

Pet Medication Dosage Calculator: Safe Dosing for Dogs & Cats

Never guess medication amounts. Our veterinary-approved calculator gives you exact mg and ml doses based on weight and drug strength.

How It Works

Total Dose (mg) = Weight (kg) × Dose (mg/kg)
Volume (ml) = Total Dose ÷ Concentration (mg/ml)

Example

15 lb cat, 2 mg/kg amoxicillin (50 mg/ml suspension):
13.6 mg → 0.27 ml per dose

Common Dosages

DrugDog (mg/kg)Cat (mg/kg)
Amoxicillin10–2010–15
Metronidazole10–2510–15
Carprofen2–4
Prednisolone0.5–10.5–1

Pro Tips

  • Always confirm dose with your vet
  • Use a syringe for accuracy
  • Round to nearest 0.05 ml for small pets
  • Try our food calculator

FAQs

Can I split tablets? Only if scored and vet-approved.

Liquid expired? Discard after 14 days if reconstituted.

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Pet Health Tips

Get dosage guides and vet-approved tools.