BMI calculator
Add a BMI calculator to your website
Height and weight in, body mass index and the standard adult category out, with the healthy weight range for that height. For gyms, clinics, coaches and health blogs.
The sentence to start from
“A BMI calculator: height in cm and weight in kg. Show the BMI with one decimal, the adult category (underweight below 18.5, healthy to 24.9, overweight to 29.9, obesity from 30) and the healthy weight range for that height, then a 'Book a free consultation' button with name and email.”
BMI calculator
For adults. Enter your height and weight.
- Healthy weight from (kg)
- 56.7
- Healthy weight up to (kg)
- 76.3
In the healthy range for your height.
BMI is a screening number for adults, not a diagnosis.
01
The categories people expect
The standard adult bands, with a short message for each, and a note that BMI is a screening number, not a diagnosis.
02
A next step, not a dead end
Offer a consultation or a programme under the result, and get the request with the numbers attached.
03
Metric or imperial
Ask for feet, inches and pounds, or a switch between both.
What's in it
Want something different? Say so, in words, and review the change before it goes live.
- Height
- Weight
- BMI
- Category with a message
- Healthy weight range
- Name and email for a consultation
Questions
Before you ask
- Which categories does it use?
- The adult categories most health bodies publish: under 18.5 underweight, 18.5 to 24.9 healthy, 25 to 29.9 overweight, 30 and over obesity. You can change the wording of each message.
- Is it suitable for children?
- No. Children's BMI is read against age and sex charts. The example says it is for adults.
- Can I use pounds and inches?
- Yes. Describe the units you want and the formula follows.
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