BMI chart for 5 ft 8 in (173 cm)
At 5 ft 8 in, a healthy weight is 122 to 164 lb (55.2 to 74.5 kg).
That is a BMI of 18.5 to 24.9, the World Health Organization's range for adults. BMI is a screen, not a diagnosis.
Updated October 2026
Where each BMI category starts at 5 ft 8 in
| Category | BMI | Weight (lb) | Weight (kg) |
|---|---|---|---|
| Underweight | under 18.5 | under 122 | under 55.2 |
| Healthy weight | 18.5 to 24.9 | 122 to 163 | 55.2 to 74.5 |
| Overweight | 25 to 29.9 | 164 to 196 | 74.6 to 89.4 |
| Obesity, class I | 30 to 34.9 | 197 to 229 | 89.5 to 104.3 |
| Obesity, class II | 35 to 39.9 | 230 to 262 | 104.4 to 119.2 |
| Obesity, class III | 40 and over | 263 and over | 119.3 and over |
BMI at 5 ft 8 in by weight
| Weight | BMI | Category |
|---|---|---|
| 110 lb (50 kg) | 16.7 | Underweight |
| 120 lb (54 kg) | 18.2 | Underweight |
| 130 lb (59 kg) | 19.8 | Healthy weight |
| 140 lb (64 kg) | 21.3 | Healthy weight |
| 150 lb (68 kg) | 22.8 | Healthy weight |
| 160 lb (73 kg) | 24.3 | Healthy weight |
| 170 lb (77 kg) | 25.8 | Overweight |
| 180 lb (82 kg) | 27.4 | Overweight |
| 190 lb (86 kg) | 28.9 | Overweight |
| 200 lb (91 kg) | 30.4 | Obesity, class I |
| 210 lb (95 kg) | 31.9 | Obesity, class I |
| 220 lb (100 kg) | 33.5 | Obesity, class I |
| 230 lb (104 kg) | 35.0 | Obesity, class I |
| 240 lb (109 kg) | 36.5 | Obesity, class II |
| 250 lb (113 kg) | 38.0 | Obesity, class II |
| 260 lb (118 kg) | 39.5 | Obesity, class II |
| 270 lb (122 kg) | 41.1 | Obesity, class III |
| 280 lb (127 kg) | 42.6 | Obesity, class III |
Other heights
Questions
What is a healthy weight for someone 5 ft 8 in?
A healthy weight at 5 ft 8 in (173 cm) is 122 to 164 lb (55.2 to 74.5 kg), which is a BMI of 18.5 to 24.9.
What BMI is overweight at 5 ft 8 in?
At 5 ft 8 in, a BMI of 25 starts at 164 lb (74.6 kg). A BMI of 30, which is where obesity begins, starts at 197 lb (89.5 kg).
What is underweight at 5 ft 8 in?
Below 122 lb (55.2 kg), which is a BMI under 18.5, is classed as underweight for an adult.
Is BMI a good measure of health?
It is a quick screen for adults and no more. It cannot tell muscle from fat, so a muscular person can read as overweight. Ask a doctor about your weight if you are unsure.
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