BMI Units Converter

Convert BMI units between different measurement systems

Last updated:
Category: Overweight
lb/ft²

All BMI Units

kg/m²Kilogram per Square Meter
1.000000 kg/m²
lb/ft²Pound per Square Foot
0.204816 kg/m²
lb/in²Pound per Square Inch
0.001422 kg/m²
kg/cm²Kilogram per Square Centimeter
0.000100 kg/m²
g/cm²Gram per Square Centimeter
0.100000 kg/m²
oz/in²Ounce per Square Inch
0.022757 kg/m²
st/ft²Stone per Square Foot
0.014630 kg/m²
t/m²Ton per Square Meter
0.001000 kg/m²
1 kg/m² equals
0.2048 lb/ft²
1 lb/ft² equals
4.8824 kg/m²
Amount
25 kg/m² = 0 lb/ft²

BMI Categories Reference

Underweight
< 18.5 kg/m²
Normal
18.5 - 24.9 kg/m²
Overweight
25 - 29.9 kg/m²
Obese
≥ 30 kg/m²

BMI Calculator – Calculate Your Body Mass Index Instantly

Calculate your Body Mass Index (BMI) instantly with our free online BMI calculator. Perfect for health monitoring, fitness tracking, and understanding your body composition.

Our BMI calculator supports both metric (kg, cm) and imperial (lbs, inches) units, making it easy to calculate your BMI regardless of your preferred measurement system. No software installation required – just enter your measurements and get instant results!

What is BMI?

Body Mass Index (BMI) is a simple calculation using a person's height and weight. The formula is BMI = weight (kg) / height (m)². BMI is used to categorize individuals into different weight status categories.

BMI categories include:

  • Underweight: BMI less than 18.5
  • Normal weight: BMI 18.5 to 24.9
  • Overweight: BMI 25 to 29.9
  • Obese: BMI 30 or greater

Our BMI calculator makes this process simple and provides instant results with health category information.

How to Calculate BMI

Using our BMI calculator is simple:

  1. Select your preferred unit system (metric or imperial)
  2. Enter your height
  3. Enter your weight
  4. Click the calculate button
  5. View your BMI result and health category

The entire process takes just seconds!

Benefits of BMI Calculation

Our BMI calculator offers several advantages:

  • Instant Results: Get your BMI calculated in seconds
  • Multiple Units: Support for both metric and imperial
  • Health Categories: Understand your weight status
  • Free to Use: No cost for BMI calculation
  • Easy Interface: Simple and intuitive design
  • Mobile Friendly: Works on all devices

Perfect for health monitoring and fitness tracking!

BMI Health Categories

Understanding your BMI result:

  • Underweight (BMI < 18.5): May indicate nutritional deficiency
  • Normal (BMI 18.5-24.9): Healthy weight range
  • Overweight (BMI 25-29.9): Increased health risks
  • Obese (BMI ≥ 30): Higher risk of health complications

BMI is a screening tool, not a diagnostic measure. Consult healthcare professionals for personalized advice.

Who Should Use This Tool?

This tool is ideal for:

  • Individuals monitoring their health
  • Fitness enthusiasts and athletes
  • Healthcare professionals
  • Weight loss program participants
  • Anyone curious about their BMI
  • Parents tracking children's growth

It gives you quick insights into your weight status.

Tips for Healthy BMI

Here are some strategies for maintaining a healthy BMI:
1️⃣ Maintain a balanced diet with proper nutrition
2️⃣ Engage in regular physical activity
3️⃣ Monitor your weight regularly
4️⃣ Get adequate sleep and manage stress
5️⃣ Stay hydrated and limit processed foods
6️⃣ Consult healthcare professionals for personalized advice

Healthy lifestyle choices lead to better health outcomes!

Frequently Asked Questions

Find answers to common questions about our BMI Units Converter tool

BMI Calculator – Calculate Your Body Mass Index Instantly

Calculate your Body Mass Index (BMI) instantly with our free online BMI calculator.
Perfect for health monitoring, fitness tracking, and understanding your body composition.

Our BMI calculator supports both metric (kg, cm) and imperial (lbs, inches) units, making it easy to calculate your BMI regardless of your preferred measurement system. No software installation required – just enter your measurements and get instant results!

What is BMI?

Body Mass Index (BMI) is a simple calculation using a person's height and weight. The formula is BMI = weight (kg) / height (m)². BMI is used to categorize individuals into different weight status categories.

BMI categories include:

Underweight: BMI less than 18.5
Normal weight: BMI 18.5 to 24.9
Overweight: BMI 25 to 29.9
Obese: BMI 30 or greater

Our BMI calculator makes this process simple and provides instant results with health category information.

  • Underweight: BMI less than 18.5
  • Normal weight: BMI 18.5 to 24.9
  • Overweight: BMI 25 to 29.9
  • Obese: BMI 30 or greater

How to Calculate BMI

Using our BMI calculator is simple:

Select your preferred unit system (metric or imperial)
Enter your height
Enter your weight
Click the calculate button
View your BMI result and health category

The entire process takes just seconds!

  1. Select your preferred unit system (metric or imperial)
  2. Enter your height
  3. Enter your weight
  4. Click the calculate button
  5. View your BMI result and health category

Benefits of BMI Calculation

Our BMI calculator offers several advantages:

Instant Results: Get your BMI calculated in seconds
Multiple Units: Support for both metric and imperial
Health Categories: Understand your weight status
Free to Use: No cost for BMI calculation
Easy Interface: Simple and intuitive design
Mobile Friendly: Works on all devices

Perfect for health monitoring and fitness tracking!

  • Instant Results: Get your BMI calculated in seconds
  • Multiple Units: Support for both metric and imperial
  • Health Categories: Understand your weight status
  • Free to Use: No cost for BMI calculation
  • Easy Interface: Simple and intuitive design
  • Mobile Friendly: Works on all devices

BMI Health Categories

Understanding your BMI result:

Underweight (BMI &lt; 18.5): May indicate nutritional deficiency
Normal (BMI 18.5-24.9): Healthy weight range
Overweight (BMI 25-29.9): Increased health risks
Obese (BMI ≥ 30): Higher risk of health complications

BMI is a screening tool, not a diagnostic measure. Consult healthcare professionals for personalized advice.

  • Underweight (BMI &lt; 18.5): May indicate nutritional deficiency
  • Normal (BMI 18.5-24.9): Healthy weight range
  • Overweight (BMI 25-29.9): Increased health risks
  • Obese (BMI ≥ 30): Higher risk of health complications

Who Should Use This Tool?

This tool is ideal for:

Individuals monitoring their health
Fitness enthusiasts and athletes
Healthcare professionals
Weight loss program participants
Anyone curious about their BMI
Parents tracking children's growth

It gives you quick insights into your weight status.

  • Individuals monitoring their health
  • Fitness enthusiasts and athletes
  • Healthcare professionals
  • Weight loss program participants
  • Anyone curious about their BMI
  • Parents tracking children's growth

Tips for Healthy BMI

Here are some strategies for maintaining a healthy BMI:


1️⃣ Maintain a balanced diet with proper nutrition


2️⃣ Engage in regular physical activity


3️⃣ Monitor your weight regularly


4️⃣ Get adequate sleep and manage stress


5️⃣ Stay hydrated and limit processed foods


6️⃣ Consult healthcare professionals for personalized advice


Healthy lifestyle choices lead to better health outcomes!

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