166 centimeters works out to 5 ft 5.4 in. The calculation is 166 × 0.03280839895, and the unrounded result is 5.44619422572 feet, which is the number to use if this feeds into anything else.
At 166 cm — 1.66 m — a BMI of 18.5 to 25, the band the WHO calls healthy, runs from 51 to 68.9 kg (112 to 152 lb). BMI is weight in kilograms divided by height in metres squared, so those figures come straight from the height on this page rather than from a chart.
Plenty of people do this in their head: divide by 30 instead of using the exact factor 0.03280839895. At 166 that shortcut gives 5.5333333 feet, off by 0.08714 feet or about 1.60%. Fine for a rough estimate, not fine for anything you are cutting to size or dosing.
The formula
166 cm- The quantity being converted
0.03280839895- Exact feet in one centimeter
5.446194226 ft- The converted result
How it works, step by step
- Begin from the figure you have: 166 centimeters.
- Scale it by 0.03280839895 — that is how many feet fit in a single centimeter.
- Result: 5.44619422572 feet — 5 ft 5.4 in.
- Going the other way, divide rather than multiply — 5.446194226 ft ÷ 0.03280839895 brings you back to 166 cm.
Worked examples
Working it through
Take 166 cm and multiply by the factor 0.03280839895. The product is 5.44619422572 ft, or 5 ft 5.4 in, and that is the entire method.
Checking it backwards
5.446194226 ft ÷ 0.03280839895 = 166 cm. Recovering the original number is the fastest way to confirm the factor was not applied upside down.
How to read your score
Frequently asked questions
What is 166 centimeters in feet and inches?
The answer is 5 ft 5.4 in — or 5.44619422572 feet before any rounding.
How do you convert centimeters to feet?
One step: multiply the centimeter figure by 0.03280839895. Here that is 166 × 0.03280839895 = 5.446194226 feet.
What is 5.446194226 feet back in centimeters?
It goes back to 166 centimeters. The reciprocal of the factor is 30.48, so multiplying by that works just as well as dividing.
Is 166 cm a lot?
At 166 cm — 1.66 m — a BMI of 18.5 to 25, the band the WHO calls healthy, runs from 51 to 68.9 kg (112 to 152 lb). BMI is weight in kilograms divided by height in metres squared, so those figures come straight from the height on this page rather than from a chart. Compare it against the surrounding values in the table below.
What is a centimeter?
One hundredth of a metre, and the everyday metric unit for body measurements and paper sizes.
What is a foot?
Twelve inches, or exactly 0.3048 metres — still standard for human height and aviation altitude in the US.
166 cm in feet — nearby values
| Centimeters | Feet | Unrounded |
|---|---|---|
| 160 cm | 5 ft 3 in | 5.249343832 |
| 161 cm | 5 ft 3.4 in | 5.282152231 |
| 162 cm | 5 ft 3.8 in | 5.31496063 |
| 163 cm | 5 ft 4.2 in | 5.347769029 |
| 164 cm | 5 ft 4.6 in | 5.380577428 |
| 165 cm | 5 ft 5 in | 5.413385827 |
| 166 cm | 5 ft 5.4 in | 5.446194226 |
| 167 cm | 5 ft 5.7 in | 5.479002625 |
| 168 cm | 5 ft 6.1 in | 5.511811024 |
| 169 cm | 5 ft 6.5 in | 5.544619423 |
| 170 cm | 5 ft 6.9 in | 5.577427822 |
| 171 cm | 5 ft 7.3 in | 5.61023622 |
| 172 cm | 5 ft 7.7 in | 5.643044619 |
Exact factor: 1 centimeter = 0.0328083989501 feet. The row for 166 cm is the value this page is about.