What does BMI Prime do that other Health pages on this site do not?

BMI Prime equals BMI divided by 25; tip says below / at / above 25. Short version: BMI ÷ 25 with relative tip.

Does BMI Prime upload my file or text to Tool-You servers?

No. BMI Prime runs in this browser tab. Files stay on the device. Limit note: Not medical advice. Positive BMI only.

Should I use BMI Calculator instead of BMI Prime?

Use BMI Prime when you need BMI ÷ 25 with relative tip. Use BMI Calculator when you need Body mass index in metric or imperial units. They share a category (Health) but not the same job.

What are the limits of BMI Prime?

Not medical advice. Positive BMI only. Also: BMI Prime equals BMI divided by 25; tip says below / at / above 25.

BMI Prime

BMI ÷ 25 with relative tip.

BMI Prime equals BMI divided by 25; tip says below / at / above 25.

What BMI Prime does

BMI Prime equals BMI divided by 25; tip says below / at / above 25.

BMI Prime sits in the Health group on purpose. It is not BMI Calculator (Body mass index in metric or imperial units.) and not BMI Category (WHO BMI category with range tip.). Choose this page when you need BMI ÷ 25 with relative tip. If you stretch BMI Prime into a neighbor’s job, the result will look wrong even though the site chrome looks the same.

How to use BMI Prime

Confirm you need BMI Prime, not BMI Calculator (Body mass index in metric or imperial units.). Address: /health/bmi-prime.
Enter the numbers or dates BMI Prime uses. BMI ÷ 25 with relative tip.
Read the result as BMI Prime defines it — not as BMI Category (WHO BMI category with range tip.). BMI Prime equals BMI divided by 25; tip says below / at / above 25.
BMI Prime is an estimate in the browser, not professional advice. Not medical advice. Positive BMI only.
Need a different formula? Try BMI Category (WHO BMI category with range tip.) instead of stretching BMI Prime.

When not to use BMI Prime

Skip BMI Prime when a neighbor tool matches better — start with BMI Calculator or BMI Category — or when the description already warns the job will fail. In the tool’s own words: BMI Prime equals BMI divided by 25; tip says below / at / above 25.

Questions about BMI Prime

What does BMI Prime do that other Health pages on this site do not?: BMI Prime equals BMI divided by 25; tip says below / at / above 25. Short version: BMI ÷ 25 with relative tip.
Does BMI Prime upload my file or text to Tool-You servers?: No. BMI Prime runs in this browser tab. Files stay on the device. Limit note: Not medical advice. Positive BMI only.
Should I use BMI Calculator instead of BMI Prime?: Use BMI Prime when you need BMI ÷ 25 with relative tip. Use BMI Calculator when you need Body mass index in metric or imperial units. They share a category (Health) but not the same job.
What are the limits of BMI Prime?: Not medical advice. Positive BMI only. Also: BMI Prime equals BMI divided by 25; tip says below / at / above 25.