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Calcimator

Equine Medication Calculator

Calculate drug dosages for common equine medications based on horse weight, drug type, and administration route.

Inputs

lb

Results

Dose

2,200 mg

Volume

11 mL

FrequencyEvery 12 hours
Duration5 days
Route NameOral
How to Use This Calculator
  1. Enter Horse Weight in kilograms — use a weight tape if scales are unavailable.
  2. Select the Medication from the dropdown (Bute, Banamine, Dexamethasone, or Procaine Penicillin G).
  3. Choose Administration Route (Oral or IV) — this affects the dose calculation.
  4. Review Single Dose (mg) and Volume (mL) for the selected drug and route.
  5. Always confirm the dose with a licensed veterinarian before administration.

How the result changes with Horse Weight

Horse WeightDoseVolume
210924 mg4.6 mL
4852,134 mg10.7 mL
8153,586 mg17.9 mL
1,0904,796 mg24 mL

What each input means

Horse Weight
Body weight in kilograms (1 lb = 0.45 kg).
Medication
Select the prescribed medication.
Administration Route
Route of drug administration as directed by veterinarian.

What each result means

Dose
Calculated dose per administration.
Volume
Injection/oral volume per dose.
Frequency
How often to administer.
Duration
Standard treatment duration.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    Horse Weight = 500, Medication = 1, Administration Route = 1 = 3 input(s) provided
  2. Calculate Dose
    Dose
    2200 = 2200
  3. Calculate Volume
    Volume
    11 = 11
  4. Calculate Frequency
    Frequency
    Every 12 hours = Every 12 hours
  5. Calculate Duration
    Duration
    5 days = 5 days

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