Dog Medication Dosage Calculator

Enter your dog's weight and a dose rate to instantly calculate the correct medication dose, or pick from a reference table of common canine drugs.

Dose Calculator

Disclaimer: For informational use only. Always confirm doses with a licensed veterinarian before administering any medication.

Enter weight and dose rate above, or pick a drug from the reference table below.

Common Canine 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 veterinary formularies. This table is for reference only.

Summary

Enter your dog's weight and a dose rate to instantly calculate the correct medication dose, or pick from a reference table of common canine drugs.

How it works

  1. Enter your dog's body weight in kilograms or pounds.
  2. Enter the drug's dose rate in mg/kg (milligrams per kilogram of body weight).
  3. Optionally select a frequency to estimate the daily total.
  4. Click Calculate to see the single dose and daily dose in milligrams.
  5. Or click any drug in the reference table to auto-fill its typical dose rate.
  6. Always confirm the calculated dose with a licensed veterinarian before administering.

Use cases

  • Quickly verify a prescribed dose against your dog's current weight.
  • Look up standard dose rates for common canine 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 canine products for correct dosing.
  • Educational reference for veterinary students learning pharmacology.
  • Help pet owners understand the math behind their vet's prescription.

Frequently Asked Questions

Last updated: 2026-06-14 · Reviewed by Nham Vu