Body Mass Index Calculator

Калькулятор индекса массы тела

Body Mass Index Calculator

Initial data


Formula for calculating BMI:

BMI Weight, kg

Height (m)2

Classification of obesity by BMI (WHO, 1997)

Classification Body mass index, kg/m2 (Quetelet’s index BMI) Risk of comorbidities
Underweight less than 18.5 Low (increased risk of other diseases)
Normal body weight 18,5-24,9 normal
Overweight (pre-obesity) 25,0-29,9 Increased
Obesity I degree 30,0-34,9 High
Obesity II degree 35,0-39,9 Very high
Obesity III degree 40,0 and more Extremely high

It should be noted that the Quetelet index is not suitable for assessing the body weight of people with developed muscles (athletes, bodybuilders, etc.), and people under 20 years old or over 65 years old, pregnant and lactating women.

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Charlson Comorbidity Index (CCI) Online Calculator

Charlson Comorbidity Index predicts 10-year survival in patients with multiple comorbidities.

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History of definite or probable MI (EKG changes and/or enzyme changes)

Exertional or paroxysmal nocturnal dyspnea and has responded to digitalis, diuretics, or afterload reducing agents

Intermittent claudication or past bypass for chronic arterial insufficiency, history of gangrene or acute arterial insufficiency, or untreated thoracic or abdominal aneurysm (≥6 cm)

History of a cerebrovascular accident with minor or no residua and transient ischemic attacks

Chronic cognitive deficit

Any history of treatment for ulcer disease or history of ulcer bleeding

Severe = cirrhosis and portal hypertension with variceal bleeding history, moderate = cirrhosis and portal hypertension but no variceal bleeding history, mild = chronic hepatitis (or cirrhosis without portal hypertension)

Severe = on dialysis, status post kidney transplant, uremia, moderate = creatinine >3 mg/dL (0.27 mmol/L)


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Multiple Myeloma Diagnostic Criteria – Online Calculator

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≥1 of the following (A or B)

≥1 myeloma defining event (C1 or C2)


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