BMI Calculator

Quickly compute your Body Mass Index (BMI). Supports metric and imperial units, and provides healthy ranges customized for your height.

AWAITING PARAMETERS — CLICK CALCULATE TO POPULATE

Calculated BMI

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Healthy Targets

Recommended range for your height:

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BMI Classification Scale

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Underweight < 18.5

Normal 18.5 – 24.9

Overweight 25.0 – 29.9

Obese ≥ 30.0

Recommendations

Calculating BMI provides a general health indicator, but does not measure body fat directly. Consult with a medical professional regarding your body composition metrics.

BMI Reference Charts (Men & Women)

Compare your BMI results against standard WHO classifications and gender-adjusted ideal ranges.

Underweight < 18.5

Below the optimal ratio. May indicate nutritional deficiencies, high metabolism, or other factors.

Healthy target weight is typically higher.

Normal Range 18.5 – 24.9

Associated with the lowest risk of cardiovascular issues and other metabolic conditions.

Optimal weight range for general longevity.

Overweight 25.0 – 29.9

Increased body weight relative to height. Incorporating physical activity and balanced nutrition is recommended.

Muscle mass in athletes can sometimes push scores here.

Obese Class I 30.0 – 34.9

Moderately high fat volume relative to height. Advised to evaluate health risks with a medical practitioner.

Obese Class II 35.0 – 39.9

High risk of obesity-related comorbidities (hypertension, diabetes, heart disease). Focus on metabolic health.

Obese Class III ≥ 40.0

Severe/morbid obesity. Therapeutic lifestyle interventions, diet adjustments, or clinical consultations are recommended.

Understanding Gender Differences: Standard BMI calculations apply identically to adult men and women. However, because biological men generally carry higher muscle mass (which weighs more than fat) and biological women carry higher body fat proportions, your BMI score is a general estimate. Athletes, bodybuilders, or pregnant women should focus on body fat percentage or waist-to-hip measurements instead.

Height	WHO Healthy Range (BMI 18.5 – 24.9)	Ideal Range (Adult Men)	Ideal Range (Adult Women)
3'0" (91 cm)	15.5 – 20.8 kg / 34 – 46 lbs	18.4 – 23.4 kg / 41 – 52 lbs	16.7 – 21.7 kg / 37 – 48 lbs
3'2" (97 cm)	17.2 – 23.2 kg / 38 – 51 lbs	20.5 – 26.1 kg / 45 – 58 lbs	18.6 – 24.2 kg / 41 – 53 lbs
3'4" (102 cm)	19.1 – 25.7 kg / 42 – 57 lbs	22.7 – 28.9 kg / 50 – 64 lbs	20.6 – 26.8 kg / 46 – 59 lbs
3'6" (107 cm)	21.1 – 28.3 kg / 46 – 62 lbs	25.0 – 31.9 kg / 55 – 70 lbs	22.8 – 29.6 kg / 50 – 65 lbs
3'8" (112 cm)	23.1 – 31.1 kg / 51 – 69 lbs	27.5 – 35.0 kg / 61 – 77 lbs	25.0 – 32.5 kg / 55 – 72 lbs
3'10" (117 cm)	25.3 – 34.0 kg / 56 – 75 lbs	30.0 – 38.2 kg / 66 – 84 lbs	27.3 – 35.5 kg / 60 – 78 lbs
4'0" (122 cm)	27.5 – 37.0 kg / 61 – 82 lbs	32.7 – 41.6 kg / 72 – 92 lbs	29.7 – 38.6 kg / 66 – 85 lbs
4'2" (127 cm)	29.8 – 40.2 kg / 66 – 89 lbs	35.5 – 45.2 kg / 78 – 100 lbs	32.3 – 41.9 kg / 71 – 92 lbs
4'4" (132 cm)	32.3 – 43.4 kg / 71 – 96 lbs	38.4 – 48.8 kg / 85 – 108 lbs	34.9 – 45.4 kg / 77 – 100 lbs
4'6" (137 cm)	34.8 – 46.8 kg / 77 – 103 lbs	41.4 – 52.7 kg / 91 – 116 lbs	37.6 – 48.9 kg / 83 – 108 lbs
4'8" (142 cm)	37.4 – 50.4 kg / 83 – 111 lbs	44.5 – 56.7 kg / 98 – 125 lbs	40.5 – 52.6 kg / 89 – 116 lbs
4'10" (147 cm)	40.2 – 54.0 kg / 89 – 119 lbs	47.7 – 60.8 kg / 105 – 134 lbs	43.4 – 56.4 kg / 96 – 124 lbs
5'0" (152 cm)	43.0 – 57.8 kg / 95 – 127 lbs	51.1 – 65.0 kg / 113 – 143 lbs	46.5 – 60.4 kg / 102 – 133 lbs
5'2" (157 cm)	45.9 – 61.8 kg / 101 – 136 lbs	54.6 – 69.4 kg / 120 – 153 lbs	49.6 – 64.5 kg / 109 – 142 lbs
5'4" (163 cm)	48.9 – 65.8 kg / 108 – 145 lbs	58.1 – 74.0 kg / 128 – 163 lbs	52.9 – 68.7 kg / 117 – 151 lbs
5'6" (168 cm)	52.0 – 70.0 kg / 115 – 154 lbs	61.8 – 78.7 kg / 136 – 173 lbs	56.2 – 73.1 kg / 124 – 161 lbs
5'8" (173 cm)	55.2 – 74.3 kg / 122 – 164 lbs	65.6 – 83.5 kg / 145 – 184 lbs	59.7 – 77.6 kg / 132 – 171 lbs
5'10" (178 cm)	58.5 – 78.7 kg / 129 – 174 lbs	69.5 – 88.5 kg / 153 – 195 lbs	63.2 – 82.2 kg / 139 – 181 lbs
6'0" (183 cm)	61.9 – 83.3 kg / 136 – 184 lbs	73.6 – 93.6 kg / 162 – 206 lbs	66.9 – 87.0 kg / 147 – 192 lbs
6'2" (188 cm)	65.4 – 88.0 kg / 144 – 194 lbs	77.7 – 98.9 kg / 171 – 218 lbs	70.7 – 91.9 kg / 156 – 203 lbs
6'4" (193 cm)	68.9 – 92.8 kg / 152 – 205 lbs	82.0 – 104.3 kg / 181 – 230 lbs	74.5 – 96.9 kg / 164 – 214 lbs
6'6" (198 cm)	72.6 – 97.7 kg / 160 – 215 lbs	86.4 – 109.9 kg / 190 – 242 lbs	78.5 – 102.1 kg / 173 – 225 lbs
6'8" (203 cm)	76.4 – 102.8 kg / 168 – 227 lbs	90.8 – 115.6 kg / 200 – 255 lbs	82.6 – 107.4 kg / 182 – 237 lbs
6'10" (208 cm)	80.3 – 108.0 kg / 177 – 238 lbs	95.4 – 121.5 kg / 210 – 268 lbs	86.8 – 112.8 kg / 191 – 249 lbs
7'0" (213 cm)	84.2 – 113.4 kg / 186 – 250 lbs	100.1 – 127.5 kg / 221 – 281 lbs	91.0 – 118.4 kg / 201 – 261 lbs
7'2" (218 cm)	88.3 – 118.8 kg / 195 – 262 lbs	105.0 – 133.6 kg / 231 – 295 lbs	95.4 – 124.1 kg / 210 – 274 lbs
7'4" (224 cm)	92.4 – 124.4 kg / 204 – 274 lbs	109.9 – 139.9 kg / 242 – 308 lbs	99.9 – 129.9 kg / 220 – 286 lbs
7'6" (229 cm)	96.7 – 130.1 kg / 213 – 287 lbs	115.0 – 146.3 kg / 253 – 323 lbs	104.5 – 135.9 kg / 230 – 300 lbs

Note: Ideal range for men and women is based on standard clinical algorithms (such as Devine and Robinson equations) representing the median weight with low health risk profiles.

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COMPLETE HEALTH GUIDE

Understanding Body Mass Index (BMI)

Monitoring your weight relative to your height is a fundamental step in tracking overall wellness. Our online bmi calculator (also referred to as a body mass index calculator or body index calculator) provides a quick, automated way to estimate your body composition. Whether you want to calculate my bmi in kilograms or pounds, this tool uses standard formulas to compute your body mass index (BMI) instantly.

01 What is the standard BMI formula?

The standard formula for calculating Body Mass Index (BMI) is: Weight (kg) / [Height (m)]² For those using imperial measurements (pounds and inches), the calculation is: 703 × Weight (lbs) / [Height (in)]² Our tool handles both metric and imperial conversions automatically to estimate your score.

02 What is a normal and healthy BMI range?

According to the World Health Organization (WHO), adults over 20 years old typically fall into the following categories:

Underweight: BMI below 18.5
Normal / Healthy: BMI between 18.5 and 24.9
Overweight: BMI between 25.0 and 29.9
Obese: BMI of 30.0 or higher

While BMI is a useful general screening tool, it does not directly measure body fat percentage or muscle mass.

03 Does BMI calculate differently for men and women?

The mathematical formula for calculating BMI is identical for both men and women. However, because body composition differs between genders (women naturally tend to carry a higher percentage of body fat than men at the same BMI, while men often have more muscle mass), your resulting score should be interpreted within your specific physiological context.

04 Why does muscle mass affect my BMI results?

Because BMI relies solely on height and weight, it cannot distinguish between muscle weight and fat weight. Muscle tissue is significantly denser than fat tissue. Consequently, athletes, bodybuilders, or highly active individuals may have a high BMI that classifies them as "overweight" or "obese" despite having very low body fat percentages.

05 How is my Ideal Body Weight calculated?

The calculator determines your Ideal Body Weight (IBW) range by finding the weights that correspond to a healthy BMI range (18.5 to 24.9) for your height. This provides a baseline healthy weight range rather than a single fixed number, helping you set realistic wellness goals.

Key Features of the CloudyUnicorn BMI Finder

Calculate BMI online

Access our fast, privacy-first bmi test online tool from any device.

Calculate my bmi in kg

Supports metric units (`cm` and `kg`) for easy calculations on a bmi calculator kg / bmi calculator kilos basis.

Calculate my body mass index

Easily measure bmi online using imperial units (`ft/in` and `lbs`).

Check bmi female / check bmi male

Run biological-gender adjusted evaluations and refer to bmi index female references.

Ideal targets

Determine your healthy range with a built-in healthy bmi for women and healthy bmi index.

Obesity details

Track indicators to understand bmi and obesity thresholds.

Whether you typed bmi bmi calculator, figure my bmi, figure bmi, bmi index, bmi range, bmi male, body bmi, check bmi online, or searched for bmi cl or bmi calculator 2, you are in the right place. Our system computes body mass ratio details instantly.

For specialized requirements like the army height and weight calculator or men height weight chart, please note that military requirements may use alternative body fat percentage circumference tape tests, but this serves as a great general baseline for your corporal mass index!