Dosage for Dogs — Calculator & Chart
Calculate weight-based medication dosages for your dog. Our tool covers Benadryl, Trazodone, Gabapentin, Carprofen, Zyrtec, and Meloxicam. Always confirm with your veterinarian before giving any medication.
Calculate Dosage
Enter your dog's weight and choose a medication.
⚠️ This calculator is for informational purposes only. Always consult your veterinarian before administering any medication to your dog.
Popular Medications
Detailed dosage guides, charts, and safety information.
Why Trust DosageForDogs?
Independent, source-backed dosage information for dog owners.
Source-Backed
All dosage ranges are based on publicly available veterinary references including the Merck Veterinary Manual and Plumb's.
Vet-First Approach
We always recommend confirming with your veterinarian. This site is educational, not a prescription.
Safety Focused
Clear warnings, side effects, and emergency guidance on every medication page.
How the Dosage Calculator Works
Our calculator uses weight-based dosage guidelines published in standard veterinary references. For each medication, we use a recommended dose range (for example, 1–2 mg per pound for Benadryl) and multiply it by your dog's weight.
The result shows a typical dose range in milligrams, along with how often the medication is usually given and the maximum daily dose. Different dogs may require different doses depending on their age, health conditions, and other medications they are taking.
Important: This calculator does not replace professional veterinary advice. It is designed to help you understand typical dosing ranges so you can have better-informed conversations with your vet.
Dog Health Guides
Practical, vet-informed articles for dog owners.
How Often Can I Give My Dog Benadryl?
Safe dosing schedule, maximum daily dose, and when to call your vet.
Read article →Trazodone vs Gabapentin for Dogs
Which one is right for anxiety, pain, or both? A comparison guide.
Read article →Signs of Pain in Dogs
The subtle behavioral and physical signs every owner should know.
Read article →Frequently Asked Questions
Common questions about dog medication and dosage.
How do I calculate the right dosage for my dog?▾
Dosage for dogs is calculated based on body weight and the specific medication. Enter your dog's weight in our calculator and select the medication to see a typical dose range. Always confirm the final dose with your veterinarian.
Is this dosage calculator accurate for all dog breeds?▾
The calculator uses weight-based guidelines from veterinary references. It does not factor in breed-specific sensitivities, age, medical conditions, or other medications. It is a starting point — not a prescription.
Can I use human medications for my dog?▾
Some human medications (like plain Benadryl or Zyrtec) are used in dogs, but only at specific doses. Many human medications — including ibuprofen, acetaminophen (paracetamol), and naproxen — are toxic to dogs and can be fatal. Always check with your veterinarian first.
What if I give my dog too much medication?▾
Contact your veterinarian, an emergency vet clinic, or a pet poison control hotline immediately. Do not wait for symptoms. The ASPCA Poison Control number is (888) 426-4435.
Why does the calculator ask for weight in kg or lb?▾
Some medications are dosed in mg per kg, others in mg per lb. Our calculator converts automatically so you can use whichever unit you know.
Are the dosage ranges on this site safe for puppies?▾
The ranges shown are general adult dog guidelines. Puppies, pregnant dogs, and nursing mothers often require different dosing. Always consult a veterinarian for puppies.
Disclaimer: DosageForDogs.com is an educational resource. It is not a substitute for professional veterinary advice. Always consult a licensed veterinarian before giving any medication to your dog.