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Body Mass Index (BMI)

Body Mass Index (BMI) is a person’s weight in kilograms divided by the square of height in meters. A high BMI can be an indicator of high body fatness. BMI can be used to screen for weight categories that may lead to health problems but it is not diagnostic of the body fatness or health of an individual.

What is BMI Calculator?

BMI is "Body Mass Index". It tells you whether your body weight is appropriate for your height.

In Indians it is advisable that the BMI be not more than 22.9*

BMI = Weight in kilograms / (Height in meters) 2

BMI is a gross estimate for the amount of fat in your body. It tells you whether you need to lose weight or not. Not all adults who have a BMI in the range labelled "healthy"are at their most healthy weight. They may have lots of fat but very little muscle. Similarly, if you are an athlete or exercise a lot, then you may have lots of muscle and less fat and if your BMI is more than the normal range, then it may still be healthy.

The BMI normal range is not applicable to pregnant and breast feeding mothers.

This calculator computes the body mass index and rates it appropriately for men, women, children, juveniles and seniors. The SBMI – an index that has been developed four years ago especially for this calculator – serves for this purpose. It is based on the results of the most comprehensive study* published so far on the BMI and its associated health risks.

Weight and height guide chart

The following weight and height chart uses BMI tables from the National Institute of Health to determine how much a person's weight should be for their height.

Calculate your BMI

Know your Body Mass Index (BMI)

Is your body weight appropriate for your height? BMI is a gross estimate for the amount of fat in your body. It tells you whether you need to lose weight or not. Not all adults who have a BMI in the range labelled "healthy" are at their most healthy weight. They may have lots of fat but very little muscle. Similarly, if you exercise a lot, then you may have lots of muscle and less fat and if your BMI is more than the normal range, then it may still be healthy.

Calculate your body mass index (BMI) to learn whether your weight is healthy or could be a health risk in the years to come.

BMI = Weight in kilograms / (Height in meters)2

BMI introduction

BMI is a measurement of a person's leanness or corpulence based on their height and weight, and is intended to quantify tissue mass. It is widely used as a general indicator of whether a person has a healthy body weight for their height. Specifically, the value obtained from the calculation of BMI is used to categorize whether a person is underweight, normal weight, overweight, or obese depending on what range the value falls between. These ranges of BMI vary based on factors such as region and age, and are sometimes further divided into subcategories such as severely underweight or very severely obese. Being overweight or underweight can have significant health effects, so while BMI is an imperfect measure of healthy body weight, it is a useful indicator of whether any additional testing or action is required. Refer to the table below to see the different categories based on BMI that is used by the calculator.

BMI table for adults

This is the World Health Organization's (WHO) recommended body weight based on BMI values for adults. It is used for both men and women, age 18 or older.

CategoryBMI range - kg/m2
Severe Thinness< 16
Moderate Thinness16 - 17
Mild Thinness17 - 18.5
Normal18.5 - 25
Overweight25 - 30
Obese Class I30 - 35
Obese Class II35 - 40
Obese Class III> 40

Adult BMI (Body Mass Index) Calculator

BMI provides a reliable indicator of body fatness for most people and is used to screen for weight categories that may lead to health problems. This calculator provides BMI and the corresponding weight category. Use this calculator for adults, 20 years old and older.

Once you have your BMI number look at the table below to determine if you are underweight, normal, overweight or obese. Body mass index, or BMI, is used to determine whether you are in a healthy weight range for your height. Many people who are overweight never develop diabetes. However, obesity has been statistically proven to increase type 2 diabetes risk and sleep disordered breathing.

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

What is the problem with BMI?

BMI is a very simple measurement. While it takes height into consideration, it does not account for factors such as:

What’s BMI?

BMI compares your weight to your height, and is calculated by dividing your weight (in kilograms) by your height (in metres squared). It gives you an idea of whether you’re 'underweight', a 'healthy' weight, 'overweight', or 'obese' for your height. BMI is one type of tool to help health professionals assess the risk for chronic disease.

To use the table, find the appropriate height in the left-hand column labeled Height. Move across to a given weight (in pounds). The number at the top of the column is the BMI at that height and weight.
Pounds have been rounded off.

BMI 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35
Height
(inches)
Body Weight (pounds)
58 91 96 100 105 110 115 119 124 129 134 138 143 148 153 158 162 167
59 94 99 104 109 114 119 124 128 133 138 143 148 153 158 163 168 173
60 97 102 107 112 118 123 128 133 138 143 148 153 158 163 168 174 179
61 100 106 111 116 122 127 132 137 143 148 153 158 164 169 174 180 185
62 104 109 115 120 126 131 136 142 147 153 158 164 169 175 180 186 191
63 107 113 118 124 130 135 141 146 152 158 163 169 175 180 186 191 197
64 110 116 122 128 134 140 145 151 157 163 169 174 180 186 192 197 204
65 114 120 126 132 138 144 150 156 162 168 174 180 186 192 198 204 210
66 118 124 130 136 142 148 155 161 167 173 179 186 192 198 204 210 216
67 121 127 134 140 146 153 159 166 172 178 185 191 198 204 211 217 223
68 125 131 138 144 151 158 164 171 177 184 190 197 203 210 216 223 230
69 128 135 142 149 155 162 169 176 182 189 196 203 209 216 223 230 236
70 132 139 146 153 160 167 174 181 188 195 202 209 216 222 229 236 243
71 136 143 150 157 165 172 179 186 193 200 208 215 222 229 236 243 250
72 140 147 154 162 169 177 184 191 199 206 213 221 228 235 242 250 258
73 144 151 159 166 174 182 189 197 204 212 219 227 235 242 250 257 265
74 148 155 163 171 179 186 194 202 210 218 225 233 241 249 256 264 272
75 152 160 168 176 184 192 200 208 216 224 232 240 248 256 264 272 279
76 156 164 172 180 189 197 205 213 221 230 238 246 254 263 271 279 287
BMI 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54
58 172 177 181 186 191 196 201 205 210 215 220 224 229 234 239 244 248 253 258
59 178 183 188 193 198 203 208 212 217 222 227 232 237 242 247 252 257 262 267
60 184 189 194 199 204 209 215 220 225 230 235 240 245 250 255 261 266 271 276
61 190 195 201 206 211 217 222 227 232 238 243 248 254 259 264 269 275 280 285
62 196 202 207 213 218 224 229 235 240 246 251 256 262 267 273 278 284 289 295
63 203 208 214 220 225 231 237 242 248 254 259 265 270 278 282 287 293 299 304
64 209 215 221 227 232 238 244 250 256 262 267 273 279 285 291 296 302 308 314
65 216 222 228 234 240 246 252 258 264 270 276 282 288 294 300 306 312 318 324
66 223 229 235 241 247 253 260 266 272 278 284 291 297 303 309 315 322 328 334
67 230 236 242 249 255 261 268 274 280 287 293 299 306 312 319 325 331 338 344
68 236 243 249 256 262 269 276 282 289 295 302 308 315 322 328 335 341 348 354
69 243 250 257 263 270 277 284 291 297 304 311 318 324 331 338 345 351 358 365
70 250 257 264 271 278 285 292 299 306 313 320 327 334 341 348 355 362 369 376
71 257 265 272 279 286 293 301 308 315 322 329 338 343 351 358 365 372 379 386
72 265 272 279 287 294 302 309 316 324 331 338 346 353 361 368 375 383 390 397
73 272 280 288 295 302 310 318 325 333 340 348 355 363 371 378 386 393 401 408
74 280 287 295 303 311 319 326 334 342 350 358 365 373 381 389 396 404 412 420
75 287 295 303 311 319 327 335 343 351 359 367 375 383 391 399 407 415 423 431
76 295 304 312 320 328 336 344 353 361 369 377 385 394 402 410 418 426 435 443