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Free BMI calculator

Calculate your body mass index

BMI compares your height and weight against general population ranges. It is a starting point for a conversation, not a diagnosis.

Height
Feet
Inches
Centimetres
Weight
Pounds
Kilograms
—Your BMI
  • Underweight< 18.5
  • Healthy18.5 – 24.9
  • Overweight25 – 29.9
  • Obesity≥ 30

Your BMI is in a range where extra support may be helpful. A personalized weight loss medication plan could help you feel better, move more easily, and regain confidence.

Check your options

Your BMI falls within the healthy range. If you’re looking to maintain your results, optimize energy, or feel more in control of your health, explore weight management options that can support a long-term plan.

Check your options

This calculator is for general information only and is not a substitute for professional medical advice. BMI does not account for muscle mass, bone density, age, sex or ethnicity, and does not diagnose any condition or determine eligibility for treatment. A licensed Canadian healthcare provider reviews your full health history before any Phoenix treatment plan is recommended.

Weight Loss

Weight management care from a licensed Canadian provider

We have changed how you receive care, combining secure technology with a human first approach.

Weight is more than willpower

Sleep, stress, medical history, medications you already take and genetics all shape body weight. A licensed healthcare provider can look at your full health history and talk through what may be appropriate for you.

Illustrative weight progress over 12 weeks A line graph trending downward from week zero to week twelve, paired with a 20-pound change. ↓ 0246810121416171819 20 lbs in 12 weeks

Illustrative example. Individual results vary.

Care that continues after the first visit

Your licensed healthcare provider stays available through your Phoenix account. You can ask questions, share how you are doing, and update your plan when things change.

Last check inMar 4
Next check inMar 18

“Weight is complex, and it looks different for every person. Our job is to understand your full health history and talk you through what fits your life, without judgment.”

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Dr. Mark BroussenkoMedical Director at Phoenix
How Phoenix Works

The most convenient way to get the care you deserve.

STEP 1

Complete an online health assessment

Skip the doctor’s office and answer a short, confidential health questionnaire.

Online health assessment
STEP 2

Receive your treatment plan

A licensed Canadian practitioner will recommend a treatment plan.

Treatment plan
STEP 3

Your treatment is delivered

Your treatment is shipped for free, directly to you in discreet packaging.

Treatment delivery
STEP 4

Ongoing provider support

Your healthcare provider will follow up as part of your monthly consult.

Ongoing check-ins
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BMI questions

FAQs

Learn more
What is BMI?

Body Mass Index, or BMI, is a simple calculation based on your height and weight. It helps estimate whether your weight falls within a general range for your height. Healthcare providers may use it as a starting point when discussing your health, but it is not a diagnosis on its own.

What are the standard BMI ranges?

For adults, the standard BMI ranges are: Underweight: Below 18.5. Healthy range: 18.5 to 24.9. Overweight: 25 to 29.9. Obesity: 30 or higher. These ranges are based on commonly used Health Canada and World Health Organization reference standards.

What does my BMI result mean?

A BMI outside the healthy range does not automatically mean something is wrong. It may simply be a sign that your weight and overall health are worth discussing with a healthcare provider. Other factors, such as your activity level, family history, and general health, also matter.

How is BMI calculated?

BMI is calculated by dividing your weight in kilograms by your height in metres squared. For pounds and inches, multiply your weight by 703, then divide that number by your height in inches squared.

What factors can affect BMI?

BMI does not account for everything. Muscle mass, bone density, age, sex, ethnicity, and overall body composition can all influence what a healthy result looks like for each person. That is why BMI is best viewed as one part of a broader health picture.

How can Phoenix help?

If your BMI and health history suggest that weight management support may be appropriate, a licensed Canadian healthcare provider can review your information and discuss your options. If treatment is clinically appropriate, they may recommend a personalized care plan.