Dewormer Dose Calculator

Select an animal species and anthelmintic drug, enter body weight and product concentration, and get the volume to administer.

Dewormer Dose Calculator

From the product label. 1% = 10 mg/mL.

Educational use only. Reference ranges from published formularies. Clinical dosing must be confirmed by a licensed veterinarian.

Select species, drug, enter weight and concentration, then click Calculate Dose.

Summary

Select an animal species and anthelmintic drug, enter body weight and product concentration, and get the volume to administer.

How it works

  1. Select the animal species from the dropdown.
  2. Choose the anthelmintic drug (ivermectin, fenbendazole, or albendazole).
  3. Enter the animal's body weight and choose kilograms or pounds.
  4. Enter the product concentration (mg/mL or %) from the label.
  5. Click "Calculate Dose" to see the total mg dose and volume to give.
  6. Review the route and notes, then verify with your veterinarian.

Use cases

  • Quickly calculate ivermectin volume for cattle or sheep based on the product label.
  • Determine fenbendazole dose for dogs or goats before treatment.
  • Cross-check dose math when treating multiple animals of different weights.
  • Educational reference for veterinary students studying parasitology.
  • Farm record-keeping: document dose per animal before deworming day.
  • Compare mg/kg rates across anthelmintics for a given species.

Frequently Asked Questions

Last updated: 2026-07-22 · Reviewed by Nham Vu