BMI chart for 6 ft 3 in (191 cm)
At 6 ft 3 in, a healthy weight is 148 to 199 lb (67.1 to 90.6 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 6 ft 3 in
| Category | BMI | Weight (lb) | Weight (kg) |
|---|---|---|---|
| Underweight | under 18.5 | under 148 | under 67.1 |
| Healthy weight | 18.5 to 24.9 | 148 to 199 | 67.1 to 90.6 |
| Overweight | 25 to 29.9 | 200 to 239 | 90.7 to 108.8 |
| Obesity, class I | 30 to 34.9 | 240 to 279 | 108.9 to 126.9 |
| Obesity, class II | 35 to 39.9 | 280 to 319 | 127.0 to 145.1 |
| Obesity, class III | 40 and over | 320 and over | 145.2 and over |
BMI at 6 ft 3 in by weight
| Weight | BMI | Category |
|---|---|---|
| 130 lb (59 kg) | 16.2 | Underweight |
| 140 lb (64 kg) | 17.5 | Underweight |
| 150 lb (68 kg) | 18.7 | Healthy weight |
| 160 lb (73 kg) | 20.0 | Healthy weight |
| 170 lb (77 kg) | 21.2 | Healthy weight |
| 180 lb (82 kg) | 22.5 | Healthy weight |
| 190 lb (86 kg) | 23.7 | Healthy weight |
| 200 lb (91 kg) | 25.0 | Healthy weight |
| 210 lb (95 kg) | 26.2 | Overweight |
| 220 lb (100 kg) | 27.5 | Overweight |
| 230 lb (104 kg) | 28.7 | Overweight |
| 240 lb (109 kg) | 30.0 | Overweight |
| 250 lb (113 kg) | 31.2 | Obesity, class I |
| 260 lb (118 kg) | 32.5 | Obesity, class I |
| 270 lb (122 kg) | 33.7 | Obesity, class I |
| 280 lb (127 kg) | 35.0 | Obesity, class I |
| 290 lb (132 kg) | 36.2 | Obesity, class II |
| 300 lb (136 kg) | 37.5 | Obesity, class II |
| 310 lb (141 kg) | 38.7 | Obesity, class II |
| 320 lb (145 kg) | 40.0 | Obesity, class II |
| 330 lb (150 kg) | 41.2 | Obesity, class III |
| 340 lb (154 kg) | 42.5 | Obesity, class III |
Other heights
Questions
What is a healthy weight for someone 6 ft 3 in?
A healthy weight at 6 ft 3 in (191 cm) is 148 to 199 lb (67.1 to 90.6 kg), which is a BMI of 18.5 to 24.9.
What BMI is overweight at 6 ft 3 in?
At 6 ft 3 in, a BMI of 25 starts at 200 lb (90.7 kg). A BMI of 30, which is where obesity begins, starts at 240 lb (108.9 kg).
What is underweight at 6 ft 3 in?
Below 148 lb (67.1 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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