Pet Medication Dose Calculator
Enter your pet's weight and the dosing rate (mg/kg) to calculate the correct medication dose, or pick a common drug from the reference table.
Use the Pet Medication Dose Calculator
Dose Calculator
As prescribed by your veterinarian. Or select a drug below to pre-fill.
Total Dose Per Administration
Always verify with your veterinarian before administering.
Common Drug Reference
Click a row to pre-fill the dosing rate. Ranges shown are typical — always follow your vet's specific prescription.
| Drug | Species | Typical Range (mg/kg) | Frequency |
|---|
Summary
This calculator determines the correct medication dose for dogs and cats based on body weight and a prescribed dosing rate in mg/kg. Enter your pet's weight in pounds or kilograms, enter the dosing rate your vet provided, and get the total milligrams needed per dose. A built-in reference table lists typical dosing ranges for common veterinary medications so you can cross-check or quickly pre-fill the calculator — always confirm with your veterinarian before administering any medication.
How it works
- Select your pet's species (dog or cat) and enter their weight.
- Choose pounds or kilograms as the weight unit.
- Enter the dosing rate in mg/kg as prescribed by your veterinarian.
- Click "Calculate Dose" to see the total milligrams per dose.
- Optionally select a common drug from the reference table to auto-fill the typical dosing rate.
- Always verify the result with your veterinarian before administering any medication.
Use cases
- Calculate the correct antibiotic dose for a dog or cat based on body weight.
- Verify that a prescribed dose falls within the typical mg/kg range for a drug.
- Quickly look up typical dosing rates for common veterinary medications.
- Convert between pound-based and kilogram-based dosing instructions.
- Help pet owners double-check prescription labels before giving medication.
- Support veterinary students learning weight-based drug dosing.