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Free Tool · Student Services

Free BMI Calculator for School Students

Enter a student's age, height, and weight to instantly calculate theirBody Mass Index (BMI), see their weight category on a colour-coded gauge, and download a printable health report — all in your browser.

Runs entirely in your browser · No login · No data uploaded

Student Details

Fill in the student details on the left and click
Calculate BMI to see the result here.

How to Calculate Student BMI in 3 Steps

Follow these steps to get results in under a minute

01
Enter student details
Type the student's name, age, gender, height, and weight. Switch freely between metric (cm / kg) and imperial (ft·in / lbs) units.
02
Calculate and view BMI
Click Calculate BMI to see the score, weight category badge, and colour-coded gauge showing exactly where the student sits on the BMI scale.
03
Download the health report
Click Download Health Report PDF to open a print-ready document with the student's details, BMI result, and category summary.
Common Questions

Free BMI Calculator for Students — FAQ

What is a BMI calculator for students?
A BMI calculator for students computes Body Mass Index from height and weight, giving school health staff a quick numerical indicator of a student's weight status relative to their size.
How do I use the free BMI calculator for students?
Enter the student's name, age, gender, height, and weight then click Calculate BMI. The tool displays the score, weight category, and a colour-coded gauge instantly.
Is this BMI calculator for students free?
Yes — completely free with no account or login required. All calculations happen in your browser; no student data is uploaded or stored anywhere.
Who should use this BMI calculator for students?
School nurses, PE teachers, health coordinators, and sports coaches who need a fast BMI screening tool for student wellness checks, annual reviews, or sports-clearance assessments.
How do I export the BMI result?
Click the Download Health Report PDF button to open a formatted, print-ready health summary with the student's name, measurements, BMI score, and weight category.

How UniCloud360 BMI Calculator Compares

vs spreadsheets, manual processes, and paid platforms

FeatureUniCloud360UniCloud360 BMI CalculatorCDC BMI CalculatorNHS BMI CalculatorMyFitnessPal
Student name & ID fieldsYesName, ID, age, gender fieldsNoNo name or ID fieldNoNo name or ID fieldNoAccount profile only
Metric and imperial unitsYescm/kg and ft·in/lbs toggleWarnMetric (cm/kg) onlyYesBoth units supportedWarnImperial default
Colour-coded BMI gaugeYesVisual 4-zone gaugeWarnText category onlyWarnText category onlyNoNo BMI gauge display
Printable health report PDFYesOne-click PDF downloadNoScreen display onlyNoScreen display onlyWarnIn-app export only
No login or account requiredYesFully anonymousYesNo account neededYesNo account neededNoAccount required
Designed for school staffYesStudent ID and health noteNoClinical and parent useNoClinical and parent useNoFitness app, not school

What Health Coordinators Are Saying

Trusted by lecturers and students across Sri Lankan universities

4.9
*****
4 reviews
PN
Priya Nair
School Nurse
*****

"Finally a BMI tool built for school use — the student ID field and one-click PDF report save so much time during our annual health screenings."

CM
Carlos Mendes
Head of PE
*****

"I use this for sports clearance checks every term. The colour-coded gauge makes it easy to explain results to students and parents at a glance."

AO
Aisha Okonkwo
Health & Wellness Coordinator
****-

"The metric/imperial toggle is a small detail but it matters — we have international students and it eliminates unit conversion errors every time."

TB
Thomas Brandt
School Administrator
*****

"Clean, fast, and completely private. No sign-up, no data leaving the browser. Our data protection officer was very pleased with that."

Embed This Tool on Your Site

Copy this code to embed the BMI Calculator for Students on your school's website or intranet.

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