Free tool

BMI Calculator

Calculate your Body Mass Index (BMI) to see if you may be eligible for weight loss injection treatment.

Choose measurement units

Medical disclaimer: BMI is a screening tool only and does not diagnose health conditions. Eligibility for treatment is determined by a licensed Irish GP during your consultation. This calculator is for informational purposes only.

Understanding Your BMI

BMI under 18.5

Underweight — weight loss injections not appropriate

BMI 18.5–24.9

Normal weight — treatment not typically indicated

BMI 25–29.9 (Overweight)

May be eligible with a weight-related health condition

BMI 30+ (Obese)

Likely eligible for Wegovy or Mounjaro treatment

BMI thresholds are based on current NICE guidelines for GLP-1 weight loss medications. Final eligibility is determined by a licensed Irish GP during your online consultation.

Weight Loss Injections

Ready to Start?

Once you know your BMI, book your online consultation with a licensed Irish GP — fast, private, and just €50.