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Body Mass Index (BMI)
Body mass index, or BMI, is a new term to most
people. However, it is the measurement of choice for many physicians and researchers
studying obesity. BMI uses a mathematical formula that takes into account both a person's
height and weight. BMI equals a person's weight in kilograms divided by height in meters
squared. (BMI=kg/m2).
Risk of
Associated Disease According to BMI and Waist Size |
BMI |
|
Waist less than or
equal to
40 in. (men) or
35 in. (women) |
Waist greater than
40 in. (men) or
35 in. (women) |
18.5 or less |
Underweight |
-- |
N/A |
18.5 - 24.9 |
Normal |
-- |
N/A |
25.0 - 29.9 |
Overweight |
Increased |
High |
30.0 - 34.9 |
Obese |
High |
Very High |
35.0 - 39.9 |
Obese |
Very High |
Very High |
40 or greater |
Extremely Obese |
Extremely High |
Extremely High |
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Determining
Your Body Mass Index (BMI)
The table below has already done the math and
metric conversions. To use the table, find the appropriate height in the left-hand column.
Move across the row to the given weight. The number at the top of the column is the BMI
for that height and weight. Or, use our BMI calculator.
BMI
(kg/m2) |
19 |
20 |
21 |
22 |
23 |
24 |
25 |
26 |
27 |
28 |
29 |
30 |
35 |
40 |
Height
(in.) |
Weight (lb.) |
58 |
91 |
96 |
100 |
105 |
110 |
115 |
119 |
124 |
129 |
134 |
138 |
143 |
167 |
191 |
59 |
94 |
99 |
104 |
109 |
114 |
119 |
124 |
128 |
133 |
138 |
143 |
148 |
173 |
198 |
60 |
97 |
102 |
107 |
112 |
118 |
123 |
128 |
133 |
138 |
143 |
148 |
153 |
179 |
204 |
61 |
100 |
106 |
111 |
116 |
122 |
127 |
132 |
137 |
143 |
148 |
153 |
158 |
185 |
211 |
62 |
104 |
109 |
115 |
120 |
126 |
131 |
136 |
142 |
147 |
153 |
158 |
164 |
191 |
218 |
63 |
107 |
113 |
118 |
124 |
130 |
135 |
141 |
146 |
152 |
158 |
163 |
169 |
197 |
225 |
64 |
110 |
116 |
122 |
128 |
134 |
140 |
145 |
151 |
157 |
163 |
169 |
174 |
204 |
232 |
65 |
114 |
120 |
126 |
132 |
138 |
144 |
150 |
156 |
162 |
168 |
174 |
180 |
210 |
240 |
66 |
118 |
124 |
130 |
136 |
142 |
148 |
155 |
161 |
167 |
173 |
179 |
186 |
216 |
247 |
67 |
121 |
127 |
134 |
140 |
146 |
153 |
159 |
166 |
172 |
178 |
185 |
191 |
223 |
255 |
68 |
125 |
131 |
138 |
144 |
151 |
158 |
164 |
171 |
177 |
184 |
190 |
197 |
230 |
262 |
69 |
128 |
135 |
142 |
149 |
155 |
162 |
169 |
176 |
182 |
189 |
196 |
203 |
236 |
270 |
70 |
132 |
139 |
146 |
153 |
160 |
167 |
174 |
181 |
188 |
195 |
202 |
207 |
243 |
278 |
71 |
136 |
143 |
150 |
157 |
165 |
172 |
179 |
186 |
193 |
200 |
208 |
215 |
250 |
286 |
72 |
140 |
147 |
154 |
162 |
169 |
177 |
184 |
191 |
199 |
206 |
213 |
221 |
258 |
294 |
73 |
144 |
151 |
159 |
166 |
174 |
182 |
189 |
197 |
204 |
212 |
219 |
227 |
265 |
302 |
74 |
148 |
155 |
163 |
171 |
179 |
186 |
194 |
202 |
210 |
218 |
225 |
233 |
272 |
311 |
75 |
152 |
160 |
168 |
176 |
184 |
192 |
200 |
208 |
216 |
224 |
232 |
240 |
279 |
319 |
76 |
156 |
164 |
172 |
180 |
189 |
197 |
205 |
213 |
221 |
230 |
238 |
246 |
287 |
328 |
Body
weight in pounds according to height and body mass index.
Adapted with permission from Bray,
G.A., Gray, D.S.,
Obesity, Part I, Pathogenesis, West J. Med. 1988: 149: 429-41.
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