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BMI Chart BMI Formula

What is Body Mass Index?

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).

How to determine your Body Mass Index?

The table below has already done the math and metric conversions.

Easy tips to use this table:

1. Find out appropriate height in left-hand column at Table 1.

2. Move across the row to the given weight.

3. From the row, find your own weight.

4. The number at the top of the column is the BMI for that height and weight.

5. Proceed to Table 2 to see your BMI condition.

BMI
(kg/m2)

19

20

21

22

23

24

25

26

27

28

29

30

35

40

Height
(in.)

Weight (lb.)

58 (147.32cm)

91

96

100

105

110

115

119

124

129

134

138

143

167

191

59 (149.86cm)

94

99

104

109

114

119

124

128

133

138

143

148

173

198

60 (152.40cm)

97

102

107

112

118

123

128

133

138

143

148

153

179

204

61 (154.94cm)

100

106

111

116

122

127

132

137

143

148

153

158

185

211

62 (157.48cm)

104

109

115

120

126

131

136

142

147

153

158

164

191

218

63 (160.02cm)

107

113

118

124

130

135

141

146

152

158

163

169

197

225

64 (162.56cm)

110

116

122

128

134

140

145

151

157

163

169

174

204

232

65 (165.10cm)

114

120

126

132

138

144

150

156

162

168

174

180

210

240

66 (167.64cm)

118

124

130

136

142

148

155

161

167

173

179

186

216

247

67 (170.18cm)

121

127

134

140

146

153

159

166

172

178

185

191

223

255

68 (172.72cm)

125

131

138

144

151

158

164

171

177

184

190

197

230

262

69 (175.26cm)

128

135

142

149

155

162

169

176

182

189

196

203

236

270

70 (177.80cm)

132

139

146

153

160

167

174

181

188

195

202

207

243

278

71 (180.34cm)

136

143

150

157

165

172

179

186

193

200

208

215

250

286

72 (182.88cm)

140

147

154

162

169

177

184

191

199

206

213

221

258

294

73 (185.42cm)

144

151

159

166

174

182

189

197

204

212

219

227

265

302

74 (187.96cm)

148

155

163

171

179

186

194

202

210

218

225

233

272

311

75 (190.50cm)

152

160

168

176

184

192

200

208

216

224

232

240

279

319

76 (193.04cm)

156

164

172

180

189

197

205

213

221

230

238

246

287

328

Table 1: BMI table

Risk of Associated Disease According to BMI and Waist Size

BMI

 Condition

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

Table 2: Average height and weight charts

Referred from Bray, G.A., Gray, D.S.,
Obesity, Part I, Pathogenesis, West J. Med. 1988: 149: 429-41.

Body Mass Index (BMI) can be used to indicate if you are overweight, obese, underweight or normal. It will, however, overestimate fatness in people who are muscular or athletic. Because of these problems, this body mass index calculator shows extra statistics to help you be informed and judge your own body compared to others of the same height and age. Also offered are average weight and height charts and Body Mass Index charts, which show data you just can't find anywhere else.

Women tend to believe they look their best at values between 20 to 22 and men are usually satisfied with a BMI of 23 to 25. If your BMI  is between 17 to 22, your life expectancy is longer than average. You don't need to lose weight.

If your BMI is between 23 and 25, you are not considered overweight by most people.  But if your BMI is 26 or more, that's not good. But you knew that already.

Above all, Don't Worry, Be Happy.  Its unhealthy to have anxiety over a less-than-perfect body image.  And, if this calculator's description of your body seems wrong for you, just trust your own judgment.  A healthy mental attitude is just as important as physical fitness.

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