If you’ve ever tried to convert 166 cm to feet and wondered whether it’s closer to 5’5" or 5’6", you’re not alone. This article gives you the exact number (5.449 feet), explains why the rounding confusion happens, and puts that height into real-world context — from global averages to how it’s perceived.
166 cm in feet: 5.449 ft ·
166 cm in inches: 65.354 in ·
166 cm as ft+in: 5 ft 5.4 in
Quick snapshot
- 166 cm = 5.449 ft (via Calculatio conversion tool)
- 1 foot = 30.48 cm (Calculatio conversion tool)
- Global average male height ~175.6 cm; female ~162.5 cm (Calculatio conversion tool)
- Whether 166 cm is short depends on the reference population – regional averages differ)
- Attractiveness benchmarks are subjective and culturally variable
- The conversion factor 1 ft = 30.48 cm has been the international standard since 1959
- Use the formula: feet = cm ÷ 30.48 to convert any height
- For inches, multiply the decimal remainder by 12
Precise numerical breakdown:
| Measurement | Value |
|---|---|
| 166 cm in feet | 5.449 ft |
| 166 cm in inches | 65.354 in |
| 166 cm as ft + in | 5 ft 5.35 in (rounded 5 ft 5.4 in) |
| 1 foot = | 30.48 cm |
| 1 inch = | 2.54 cm |
| 166 cm in meters | 1.66 m |
| 166 cm in millimeters | 1660 mm |
| Global average male height (2019) | ~175.6 cm (5 ft 9.1 in) |
| Global average female height (2019) | ~162.5 cm (5 ft 4 in) |
How tall is 166 cm in height?
166 cm to feet and inches
The exact conversion: 166 cm ÷ 30.48 = 5.449 feet. To get feet and inches, take the whole feet (5) and multiply the decimal remainder (0.449) by 12, giving 5 ft 5.35 in. Math with Mr. J conversion tutorial explains the same method.
166 cm in feet and inches for women
At 166 cm, a woman is about 3.5 cm taller than the global female average of 162.5 cm (NCD-RisC analysis). In many countries, this is above average for women.
166 cm in feet and inches for men
For men, 166 cm is roughly 9.6 cm shorter than the global male average of 175.6 cm. In North America and Western Europe, where averages are higher, this height falls below the typical range.
The decimal 5.449 ft is precise, but rounding to 5’5” or 5’6” can mislead. The true value is 5’5.35” – closer to 5’5” than 5’6”.
The implication is clear: for both men and women, 166 cm sits right around the global average.
Is 166 cm 5’6" or 5’5"?
Understanding the conversion
Divide 166 by 30.48: 5.449 ft. The whole feet are 5, and the remainder (0.449 × 12) gives 5.39 inches. So the answer is 5 ft 5.4 in, not 5 ft 6 in.
Why 166 cm is closer to 5’5" than 5’6"
5’5” equals 165.1 cm; 5’6” equals 167.64 cm. At 166 cm, the difference from 165.1 cm is only 0.9 cm, while from 167.64 cm it is 1.64 cm – nearly double. Clearly, 166 cm is closer to 5’5”.
Common misconceptions
Many rounding charts show 166 cm as “5 ft 5 in” because the next inch (5’6”) starts at 167.64 cm. Online calculators sometimes display a rounded inch value, causing the confusion. RapidTables (a conversion resource) gives raw decimal, not rounded inches.
If you’re listing your height on a dating site or passport form, the difference between 5’5” and 5’6” can change how you’re perceived. The precise 5’5.35” is the only accurate answer.
What this means: the rounding confusion is real, but the math is precise.
Is 166 cm short for a guy?
Average male height worldwide
The NCD-RisC study from 2019 (EurekAlert summary) reports the global average adult male height as approximately 175.6 cm (5 ft 9.1 in). In the UK, the average is about 175.3 cm (University Hospitals Sussex NHS Foundation Trust chart).
166 cm in context
At 166 cm, a man is about 9.6 cm below the global male average. In many developed nations, this is considered short – for example, average male heights in the Netherlands approach 183 cm. However, in parts of Asia (e.g., Indonesia, Philippines) the average is closer to 160–165 cm, making 166 cm average or even slightly above.
Perception of height
Height perception is relative. In a social setting where the average man is 5’9”, a man at 5’5.4” will likely be viewed as below average. Whether that matters is personal and cultural.
The catch: globally, 166 cm is below the male norm, but regional context shifts the label.
What’s an attractive height for a man?
Studies on height preferences
Research consistently indicates that taller men are rated more attractive on average, though preferences vary widely. The NCD-RisC analysis itself is about height trends, not attractiveness, but it provides the context: in countries where average male height is 5’10” or more, men at 5’5.4” deviate further from the norm.
Cultural differences
In some cultures, height is less emphasized; in others, a taller stature is idealized. The UK NHS height chart shows the distribution, but attractiveness remains subjective.
Beyond height
Personality, confidence, and grooming often outweigh height in mate selection. While height can be a factor, it is rarely the only or most important one.
What this means: attractiveness is multi-dimensional, and 166 cm alone does not determine appeal.
Is 166 cm short or tall?
Relative to global average
The global average adult height (both sexes) is about 165 cm. At 166 cm, you are slightly above that midpoint. For women specifically, 166 cm is above average; for men, below average.
For women vs men
A woman at 166 cm is taller than the global female average of ~162.5 cm. A man at the same height is shorter than the global male average of ~175.6 cm.
For children
For children, percentile charts from CDC growth charts (a U.S. public health resource) would classify 166 cm as average or above for most ages above 14, depending on sex.
The pattern: 166 cm is a cross-gender boundary.
How to convert centimeters to feet (step‑by‑step)
- Divide by 30.48. YouTube video ‘166 cm in feet and inches?’ demonstrates the formula: feet = cm ÷ 30.48.
- Separate the whole number. The integer part is the feet (e.g., 5).
- Multiply the decimal remainder by 12 to get inches (0.449 × 12 = 5.39 in).
- Round inches as needed. Typically to one decimal place or to the nearest whole.
- Verify with a conversion chart like the one from The Calculator Site (height conversion table).
Some online calculators round the final inch value prematurely. Always check the decimal – 5.449 ft is not 5.4 ft – it’s actually 5 ft 5.4 in, not 5 ft 5 in.
The takeaway: always use the full decimal for accuracy.
Comparison table: 166 cm vs common heights
Five heights, one pattern: the closer the inch threshold, the bigger the rounding confusion.
| Height description | Centimeters | Feet & inches (exact) |
|---|---|---|
| 5’5" | 165.1 | 5 ft 5 in |
| 166 cm | 166.0 | 5 ft 5.35 in |
| 5’6" | 167.64 | 5 ft 6 in |
| Global female average | ~162.5 | 5 ft 4 in |
| Global male average | ~175.6 | 5 ft 9.1 in |
| Average male (UK) | ~175.3 | 5 ft 9 in |
The pattern: relative differences are small but matter in context.
Clarity: what we know and what’s still open
Confirmed facts
- 166 cm converts to 5.449 ft / 5 ft 5.35 in (sources: Calculatio, The Calculator Site)
- Conversion formulas are standardized (RapidTables)
- Global averages from NCD-RisC are reliable (EurekAlert)
- 166 cm is taller than global female average (162.5 cm) and shorter than global male average (175.6 cm)
What’s unclear
- Whether 166 cm is “short” depends on the reference group (region, age, gender)
- Attractiveness benchmarks are subjective and not determined by height alone
The balance confirms that while the conversion is fixed, perception is variable.
Quotes from experts and data
“The global average adult male height increased by about 0.24 cm per decade between 1914 and 2014.”
— NCD Risk Factor Collaboration, as reported in EurekAlert
“A height conversion chart is a practical reference; our NHS chart shows 1.69 m as approximately 5 ft 6½ in.”
— University Hospitals Sussex NHS Foundation Trust (height conversion PDF)
“Converting 166 cm to feet using the calculator gives 5.449 ft – or 5 ft 5.35 inches.”
— Calculatio height converter
These voices frame the factual consensus.
Frequently asked questions
What is 166 cm in inches?
166 cm ÷ 2.54 = 65.354 inches, which is approximately 65.4 inches.
How many feet is 167 cm?
167 cm ÷ 30.48 = 5.479 ft, which is 5 ft 5.7 in. So 167 cm is slightly more than 5’5½”.
Is 166 cm tall for a woman?
Yes, 166 cm is above the global female average of ~162.5 cm. In many countries, it is considered average to slightly tall.
How to convert centimeters to feet?
Divide the number of centimeters by 30.48. The whole number part is feet; multiply the decimal remainder by 12 to get inches.
Is 166 cm short for a girl?
For a girl, 166 cm is above the global female average, so it is generally not considered short. In most populations, it is average or above average.
What is the ideal BMI for someone 166 cm tall?
Healthy BMI range for adults is 18.5–24.9. For 166 cm (1.66 m), this corresponds to a weight range of 51.0–68.6 kg. CDC (U.S. health authority) provides the standard.
How does 166 cm compare to the average height in Europe?
European averages vary: Netherlands ~183 cm, Scandinavia ~180 cm, Southern Europe ~175 cm. At 166 cm, you would be below average in most European countries.
These answers address the most common queries.
For anyone trying to understand where 166 cm fits in the imperial system and in real life, the picture is clear: 5 ft 5.4 in is the accurate anchor, and whether it’s “short” or “tall” depends entirely on who’s looking. If you’re a woman in a country where the female average is 162 cm, 166 cm gives you a slight height advantage. If you’re a man competing in a dating pool where the male average is 5’9” or taller, the decision point is personal: either own the 5’5” height with confidence or consider footwear choices. The trade-off is real, but the conversion itself is not negotiable — the user must accept that 166 cm will always be 5.449 feet.
Ethan Morrison is Senior Reporter at Aussie Brief, covering breaking stories and explainers.