BMI chart for 181 cm (5′11.3″)
Find your BMI at 181 cm without a calculator: look up your weight below.
Quick answer
At 181 cm (5′11.3″), a healthy weight for an adult is 60.6 kg to 81.6 kg (134 lb to 180 lb). Under 60.6 kg is underweight, from 81.9 kg is overweight, and from 98.3 kg is obese. BMI = weight in kg ÷ 1.81².
| Category | BMI | Weight (kg) | Weight (lb) |
|---|---|---|---|
| Underweight | Below 18.5 | Under 60.6 | Under 134 |
| Healthy weight | 18.5 – 24.9 | 60.6 – 81.6 | 134 – 180 |
| Overweight | 25 – 29.9 | 81.9 – 98.2 | 181 – 217 |
| Obese | 30 and above | 98.3 and above | 217 and above |
BMI for every weight at 181 cm
| Weight (kg) | Weight (lb) | BMI | Category |
|---|---|---|---|
| 50 kg | 110 lb | 15.3 | Underweight |
| 51 kg | 112 lb | 15.6 | Underweight |
| 52 kg | 115 lb | 15.9 | Underweight |
| 53 kg | 117 lb | 16.2 | Underweight |
| 54 kg | 119 lb | 16.5 | Underweight |
| 55 kg | 121 lb | 16.8 | Underweight |
| 56 kg | 123 lb | 17.1 | Underweight |
| 57 kg | 126 lb | 17.4 | Underweight |
| 58 kg | 128 lb | 17.7 | Underweight |
| 59 kg | 130 lb | 18 | Underweight |
| 60 kg | 132 lb | 18.3 | Underweight |
| 61 kg | 134 lb | 18.6 | Healthy weight |
| 62 kg | 137 lb | 18.9 | Healthy weight |
| 63 kg | 139 lb | 19.2 | Healthy weight |
| 64 kg | 141 lb | 19.5 | Healthy weight |
| 65 kg | 143 lb | 19.8 | Healthy weight |
| 66 kg | 146 lb | 20.1 | Healthy weight |
| 67 kg | 148 lb | 20.5 | Healthy weight |
| 68 kg | 150 lb | 20.8 | Healthy weight |
| 69 kg | 152 lb | 21.1 | Healthy weight |
| 70 kg | 154 lb | 21.4 | Healthy weight |
| 71 kg | 157 lb | 21.7 | Healthy weight |
| 72 kg | 159 lb | 22 | Healthy weight |
| 73 kg | 161 lb | 22.3 | Healthy weight |
| 74 kg | 163 lb | 22.6 | Healthy weight |
| 75 kg | 165 lb | 22.9 | Healthy weight |
| 76 kg | 168 lb | 23.2 | Healthy weight |
| 77 kg | 170 lb | 23.5 | Healthy weight |
| 78 kg | 172 lb | 23.8 | Healthy weight |
| 79 kg | 174 lb | 24.1 | Healthy weight |
| 80 kg | 176 lb | 24.4 | Healthy weight |
| 81 kg | 179 lb | 24.7 | Healthy weight |
| 82 kg | 181 lb | 25 | Overweight |
| 83 kg | 183 lb | 25.3 | Overweight |
| 84 kg | 185 lb | 25.6 | Overweight |
| 85 kg | 187 lb | 25.9 | Overweight |
| 86 kg | 190 lb | 26.3 | Overweight |
| 87 kg | 192 lb | 26.6 | Overweight |
| 88 kg | 194 lb | 26.9 | Overweight |
| 89 kg | 196 lb | 27.2 | Overweight |
| 90 kg | 198 lb | 27.5 | Overweight |
| 91 kg | 201 lb | 27.8 | Overweight |
| 92 kg | 203 lb | 28.1 | Overweight |
| 93 kg | 205 lb | 28.4 | Overweight |
| 94 kg | 207 lb | 28.7 | Overweight |
| 95 kg | 209 lb | 29 | Overweight |
| 96 kg | 212 lb | 29.3 | Overweight |
| 97 kg | 214 lb | 29.6 | Overweight |
| 98 kg | 216 lb | 29.9 | Overweight |
| 99 kg | 218 lb | 30.2 | Obese |
| 100 kg | 220 lb | 30.5 | Obese |
| 101 kg | 223 lb | 30.8 | Obese |
| 102 kg | 225 lb | 31.1 | Obese |
| 103 kg | 227 lb | 31.4 | Obese |
| 104 kg | 229 lb | 31.7 | Obese |
| 105 kg | 231 lb | 32.1 | Obese |
| 106 kg | 234 lb | 32.4 | Obese |
| 107 kg | 236 lb | 32.7 | Obese |
| 108 kg | 238 lb | 33 | Obese |
| 109 kg | 240 lb | 33.3 | Obese |
| 110 kg | 243 lb | 33.6 | Obese |
| 111 kg | 245 lb | 33.9 | Obese |
| 112 kg | 247 lb | 34.2 | Obese |
| 113 kg | 249 lb | 34.5 | Obese |
| 114 kg | 251 lb | 34.8 | Obese |
| 115 kg | 254 lb | 35.1 | Obese |
| 116 kg | 256 lb | 35.4 | Obese |
| 117 kg | 258 lb | 35.7 | Obese |
| 118 kg | 260 lb | 36 | Obese |
| 119 kg | 262 lb | 36.3 | Obese |
| 120 kg | 265 lb | 36.6 | Obese |
| 121 kg | 267 lb | 36.9 | Obese |
| 122 kg | 269 lb | 37.2 | Obese |
| 123 kg | 271 lb | 37.5 | Obese |
| 124 kg | 273 lb | 37.8 | Obese |
| 125 kg | 276 lb | 38.2 | Obese |
| 126 kg | 278 lb | 38.5 | Obese |
| 127 kg | 280 lb | 38.8 | Obese |
| 128 kg | 282 lb | 39.1 | Obese |
| 129 kg | 284 lb | 39.4 | Obese |
| 130 kg | 287 lb | 39.7 | Obese |
| 131 kg | 289 lb | 40 | Obese |
Ideal weight for women and men at 181 cm
BMI is the same for women and men, but ideal-body-weight formulas — used by doctors to dose some medicines — give separate figures. At 181 cm, they put a woman's ideal weight at about 68.1 kg – 71.4 kg and a man's at about 72.1 kg – 78.4 kg. Anywhere in the healthy BMI range above is still a healthy weight.
| Formula | Women | Men |
|---|---|---|
| Robinson (1983) | 68.1 kg | 73.4 kg |
| Miller (1983) | 68.4 kg | 72.1 kg |
| Devine (1974) | 71.4 kg | 75.9 kg |
| Hamwi (1964) | 70.3 kg | 78.4 kg |
181 cm in feet and inches
181 cm is 5′11.3″ — 71.3 inches in total, or about 5′11″ rounded to the nearest inch. To convert, divide centimetres by 2.54 to get inches, then divide by 12 for feet: 181 ÷ 2.54 = 71.3 in, which is 5 ft and 11.3 in. A healthy weight at this height is 60.6 kg–81.6 kg, or 134 lb–180 lb.
How BMI is worked out at 181 cm
Body mass index is weight in kilograms divided by height in metres squared. 181 cm is 1.81 m, and 1.81² is 3.2761, so at this height BMI = weight ÷ 3.2761. For example, 84 kg ÷ 3.2761 = 25.6. The table above does this for every whole kilogram.
The categories are the World Health Organization's adult ranges. Some guidelines use lower cut-offs for people of South Asian, Chinese and other Asian backgrounds — overweight from a BMI of 23 (75.4 kg at this height) — because health risks rise at a lower BMI. BMI does not tell muscle from fat, so also check your waist-to-height ratio: at 181 cm, keep your waist under 90.5 cm. To enter an exact weight in kg or lb with your height in cm or feet, use the BMI calculator.
Frequently asked questions
What is a healthy weight for 181 cm?
For an adult 181 cm (5′11.3″) tall, a healthy BMI of 18.5–24.9 means a weight between 60.6 kg and 81.6 kg — 134 lb to 180 lb.
Is 84 kg overweight for 181 cm?
84 kg at 181 cm is a BMI of 25.6, which is in the overweight range (25–29.9). The overweight range starts at 81.9 kg for this height, and obesity (BMI 30+) at 98.3 kg.
How tall is 181 cm in feet and inches?
181 cm is 5′11.3″ — about 5′11″. One inch is exactly 2.54 cm and one foot is 30.48 cm.
What weight is underweight at 181 cm?
Below 60.6 kg (134 lb), which is a BMI under 18.5.