166 cm at a glance
- Feet and inches
- 5 ft 5.35 in
- Nearest inch
- 5′5″
- Nearest ¼ inch
- 5′5 1/4″
- Total inches
- 65.354 in
- Decimal feet
- 5.446 ft
- Meters
- 1.66 m
How to convert 166 cm to feet and inches
65.3543 in ÷ 12 = 5 ft, remainder 5.3543 in
An inch is exactly 2.54 cm, so dividing by 2.54 gives inches; whole groups of 12 inches become feet. How you round the leftover 5.35 in depends on the use:
| Rounded to | Feet & inches | Error |
|---|---|---|
| Nearest inch | 5′5″ | 0.90 cm |
| Nearest ½ inch | 5′5 1/2″ | 0.37 cm |
| Nearest ¼ inch | 5′5 1/4″ | 0.27 cm |
| Nearest ⅛ inch | 5′5 3/8″ | 0.05 cm |
Is 166 cm tall? How it compares with US adults
For a man, 166 cm is on the short side of average (about the 11th percentile). For a woman it is within the middle half of heights (about the 75th percentile).
| Group | Where 166 cm falls | Median height | Difference |
|---|---|---|---|
| Men 20 and over | about the 11th percentile | 175.4 cm | −9.4 cm (−3.7 in) |
| Women 20 and over | about the 75th percentile | 161.3 cm | +4.7 cm (+1.9 in) |
| Men 20–29 | about the 8th percentile | 176.0 cm | −10.0 cm (−3.9 in) |
| Women 20–29 | about the 69th percentile | 162.8 cm | +3.2 cm (+1.3 in) |
Put another way, about 11 of every 100 US men are shorter, and about 75 of every 100 US women are shorter. 166 cm is closer to the typical woman’s height than the typical man’s; younger adults (20–29) run slightly taller than the all-ages figures, which include older adults who have lost some height.
Healthy weight range for 166 cm
Adult BMI from 18.5 to 24.9 is the range the CDC labels healthy weight. At 166 cm (1.66 m), that works out to 51.0–68.6 kg, or 112–151 lb.
| BMI | Category | Weight (kg) | Weight (lb) |
|---|---|---|---|
| 18.5 | Healthy weight starts | 51.0 | 112 |
| 22.0 | Middle of healthy range | 60.6 | 134 |
| 25.0 | Overweight starts | 68.9 | 152 |
| 30.0 | Obesity starts | 82.7 | 182 |
BMI is a screening number, not a diagnosis: it does not separate muscle from fat and is not meant for children. Check a specific weight with the BMI calculator or compare formulas in the ideal weight calculator.
166 cm in everyday terms
- Children’s growth. 166 cm is close to the median height of US 13-year-old boys (163.6 cm) in the same CDC survey.
- Average range. 166 cm sits between the median US woman (161.3 cm) and the median US man (175.4 cm), the band where most adults fall.
- Filling in a US form? Round to the nearest inch and write 5′5″ — driver’s licenses and many forms use a compact style such as 5-05. Rounding 166 cm that way is off by 0.9 cm.
Heights near 166 cm
| Centimeters | Feet & inches | Inches |
|---|---|---|
| 161 cm | 5′3″ | 63.4 |
| 162 cm | 5′4″ | 63.8 |
| 163 cm | 5′4″ | 64.2 |
| 164 cm | 5′5″ | 64.6 |
| 165 cm | 5′5″ | 65.0 |
| 166 cm | 5′5″ | 65.4 |
| 167 cm | 5′6″ | 65.7 |
| 168 cm | 5′6″ | 66.1 |
| 169 cm | 5′7″ | 66.5 |
| 170 cm | 5′7″ | 66.9 |
| 171 cm | 5′7″ | 67.3 |
Going the other way: 5′5″ in centimeters is 165.1 cm.
Frequently asked questions
How tall is 166 cm in feet?
166 cm is 5 feet 5.4 inches, which most people round to 5′5″. As a decimal it is 5.45 feet.
Is 166 cm tall for a man?
Among US men aged 20 and over, 166 cm is about the 11th percentile, so it is on the short side of average. The median man is 175.4 cm (CDC NHANES 2015–2018).
Is 166 cm tall for a woman?
Among US women aged 20 and over, 166 cm is about the 75th percentile, so it is within the middle half of heights. The median woman is 161.3 cm (CDC NHANES 2015–2018).
What is 166 cm in inches?
166 cm ÷ 2.54 = 65.35 inches.