What is body mass index (bmi)

What Is Body Mass Index (BMI) and How to Calculate It?

Many people have their questions: How much should I weigh? Though, there is no fixed weight for any person because several different portions play an essential role. But BMI is here as a standard for determining whether a person has a proper body weight with a proportion of equal height.

What is body mass index (BMI)?

BMI formula is one kind of measurement that measures height and weight to provide a calculation. BMI calculator measures the body size and decides how your body weight is linked with your height.

In some states, BMI is a moderately stable indicator of mass, fat measures. However, the BMI calculator is less useful in different organizations, such as bodybuilders and older adults. 

How can body mass index (BMI) be calculated?

Your BMI is covered by applying height and weight. It may be the beginning of the point, considering how your body fat may affect your overall well-being. 

Imperial

  • Formula: weight (lb) / [height (in)]2 x 703
  • Example: weight = 150 lbs, height = 5’5” (65″)
  • BMI calculation: [150 / (65)2] x 703 = 24.96

Metric

  • Formula: weight (kg) / [height (m)]21
  • Example: weight = 68 kg, height = 165 cm (1.65 m)
  • BMI calculation: 68 / (1.65)2 = 24.98

Your BMI is

 

Note that BMI is defined separately in children. Growth plans, percentiles, and the BMI chart are practiced. If children are at or above the 95th percentile of children their age, they are rated obese.

The body mass index chart is taken by the source of the National Institute of Health.

BMI calculator by age
BMI Measurement Weight Category
Height Weight
Normal Overweight Obesity Severe obesity
4ft 10″

(58″)

91 to 115 lbs. 119 to 138 lbs. 143 to 186 lbs. 191 to 258 lbs.
4ft 11″

(59″)

94 to 119 lbs. 124 to 143 lbs. 148 to 193 lbs. 198 to 267 lbs.
5ft

(60″)

97 to 123 lbs. 128 to 148 lbs. 153 to 199 lbs. 204 to 276 lbs.
5ft 1″

(61″)

100 to 127 lbs. 132 to 153 lbs. 158 to 206 lbs. 211 to 285 lbs.
5ft 2″

(62″)

104 to 131 lbs. 136 to 158 lbs. 164 to 213 lbs. 218 to 295 lbs.
5ft 3″

(63″)

107 to 135 lbs. 141 to 163 lbs. 169 to 220 lbs. 225 to 304 lbs.
5ft 4″

(64″)

110 to 140 lbs. 145 to 169 lbs. 174 to 227 lbs. 232 to 314 lbs.
5ft 5″

(65″)

114 to 144 lbs. 150 to 174 lbs. 180 to 234 lbs. 240 to 324 lbs.
5ft 6″

(66″)

118 to 148 lbs. 155 to 179 lbs. 186 to 241 lbs. 247 to 334 lbs.
5ft 7″

(67″)

121 to 153 lbs. 159 to 185 lbs. 191 to 249 lbs. 255 to 344 lbs.
5ft 8″

(68″)

125 to 158 lbs. 164 to 190 lbs. 197 to 256 lbs. 262 to 354 lbs.
5ft 9″

(69″)

128 to 162 lbs. 169 to 196 lbs. 203 to 263 lbs. 270 to 365 lbs.
5ft 10″

(70″)

132 to 167 lbs. 174 to 202 lbs. 209 to 271 lbs. 278 to 376 lbs.
5ft 11″

(71″)

136 to 172 lbs. 179 to 208 lbs. 215 to 279 lbs. 286 to 386 lbs.
6ft

(72″)

140 to 177 lbs. 184 to 213 lbs. 221 to 287 lbs. 294 to 397 lbs.
6ft 1″

(73″)

144 to 182 lbs. 189 to 219 lbs. 227 to 295 lbs. 302 to 408 lbs.
6ft 2″

(74″)

148 to 186 lbs. 194 to 225 lbs. 233 to 303 lbs. 311 to 420 lbs.
6ft 3″

(75″)

152 to 192 lbs. 200 to 232 lbs. 240 to 311 lbs. 319 to 431 lbs.
6ft 4″

(76″)

156 to 197 lbs. 205 to 238 lbs. 246 to 320 lbs. 328 to 443 lbs.
BMI 19 to 24 25 to 29 30 to 39 40 to 54

How does body mass index work?

BMI works by providing a healthy weight limit for a distinct height. As you measure your BMI, healthcare specialists may consider other factors when estimating a healthy weight.

Muscle is hugely more impenetrable than fat; different muscular people, including heavyweight boxers, weight trainers, and athletes, may have a healthy weight even though their BMI is obese.

Your ethnic organization can additionally change your risk of some health states. For instance, adults of South Asian sources may have a greater chance of health challenges, including diabetes, with a BMI chart of 23, normally deemed healthy.

How is body mass index good?

For most BMI charts women and men, an absolute chart is on the 18.5 to 24.9 scale. For teenagers and young people aged 2 to 18, the BMI estimation examines height, age, gender, and weight.

If your BMI formula is:

  • below 18.5 – you’re in the underweight range
  • between 18.5 and 24.9 – you’re in the healthy weight range
  • between 25 and 29.9 – you’re in the overweight range
  • between 30 and 39.9 – you’re in the obese range

Summary

Any individual concerned about their weight, waist size, or body composition should consult a specialist or nutritionist. They will be capable of advising about proper possibilities.

 

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