Dog BMI Calculator
Calculate the Body Mass Index (BMI) of your dog to evaluate general body condition.
Input Parameters
Enter details for calculation.
Canine BMI
* Note: Body types vary by breed. Normal values range between 8 and 18 for most breeds.
Expert Tip
BMI is an approximation. Always combine BMI results with visual inspection and palpation of ribs (Body Condition Score) to identify obesity.
Calculation Methodology & Details
Formula
Calculated identically to human BMI. Height is measured at the shoulder (withers) of the dog. Formula: Weight in kg divided by height in meters squared.
Important Disclaimer
All veterinary dosage guidelines and calculations are for educational purposes only. Always consult a licensed veterinarian before administering any medication or making major changes to your dog's diet.
How to Calculate Canine BMI: Step-by-Step
Compute body mass indexes for dogs using these guidelines:
Convert Weight to Kilograms
Obtain dog weight in kg. If in lbs, divide weight by 2.205.
Convert Height to Meters
Measure height from floor to shoulder. If in cm, divide by 100. If in inches, multiply by 0.0254.
Divide Weight by Squared Height
Square the height value in meters, then divide the weight by this result.