Short answer: in Vietnam, women who are 181 cm (5′11″) weigh 163 lb (74 kg) on average (median 161 lb). The middle half weigh 146–178 lb (66–81 kg).
163 lb (74 kg)
average weight
146–178 lb (66–81 kg)
middle 50%
181 cm
taller than 100% of women in Vietnam
| Percentile | Weight |
|---|---|
| P10 | 133 lb (61 kg) |
| P25 | 146 lb (66 kg) |
| P50 | 161 lb (73 kg) |
| P75 | 178 lb (81 kg) |
| P90 | 194 lb (88 kg) |
Percentile: the share of women at this height who weigh less. The 90th percentile, for example, is where the heaviest 10% begin.
The World Health Organization's normal BMI range (18.5–24.9) works out to 134–180 lb (61–82 kg) at 181 cm (5′11″). About 68% of women this tall in Vietnam fall in that range and 22% above it. It's a reference range, not a personal "ideal weight": it ignores muscle, age and build.
| Average weight | Middle 50% | |
|---|---|---|
| United States | 216 lb (98 kg) | 176–249 lb (80–113 kg) |
| Brazil | 205 lb (93 kg) | 173–231 lb (79–105 kg) |
| Pakistan | 192 lb (87 kg) | 160–219 lb (73–99 kg) |
| Indonesia | 183 lb (83 kg) | 157–205 lb (71–93 kg) |
| Nigeria | 178 lb (81 kg) | 150–201 lb (68–91 kg) |
| China | 174 lb (79 kg) | 154–191 lb (70–86 kg) |
| Bangladesh | 172 lb (78 kg) | 149–192 lb (68–87 kg) |
| India | 170 lb (77 kg) | 145–191 lb (66–87 kg) |
How much do 181 cm (5′11″) men weigh? →
Statistics, not a health assessment. Weight at a given height is the country's BMI distribution × height², assuming BMI doesn't depend on height. Details: methodology and sources.