Cat Medication Dosage Calculator
Enter your cat's weight and a dose rate to instantly calculate the correct medication dose, or pick from a reference table of common feline medications.
Dose Calculator
Disclaimer: For informational use only. Always confirm doses with a licensed veterinarian before administering any medication to your cat.
Enter weight and dose rate above, or pick a drug from the reference table below.
Calculated Dose
Drugs Toxic to Cats — Never Administer
Acetaminophen (Tylenol), aspirin, ibuprofen, naproxen, tea tree oil, and many human NSAIDs are toxic or fatal to cats. Cats lack the liver enzymes to safely process these compounds. Always verify that any medication is labeled safe for feline use.
Common Feline Medication Reference
Click any row to auto-fill the dose rate above. Ranges shown are typical starting doses — always confirm with your veterinarian.
| Drug Name | Common Use | Dose Rate (mg/kg) | Frequency |
|---|
Sources: Plumb's Veterinary Drug Handbook & standard feline veterinary formularies. This table is for reference only.
Summary
Enter your cat's weight and a dose rate to instantly calculate the correct medication dose, or pick from a reference table of common feline medications.
How it works
- Enter your cat's body weight in kilograms or pounds.
- Enter the drug's dose rate in mg/kg (milligrams per kilogram of body weight).
- Select the administration frequency to estimate the daily total.
- Click Calculate to see the single dose and daily dose in milligrams.
- Or click any drug in the reference table to auto-fill its typical dose rate.
- Always confirm the calculated dose with a licensed veterinarian before administering.
Use cases
- Quickly verify a prescribed dose against your cat's current weight.
- Look up standard dose rates for common feline medications.
- Calculate doses when switching between kg and lb weight measurements.
- Estimate total daily drug intake for medications given multiple times per day.
- Cross-check over-the-counter feline products for correct dosing.
- Educational reference for veterinary students learning feline pharmacology.
- Help cat owners understand the math behind their vet's prescription.
- Double-check dosing before administering liquid medications.