Height to Centimeters Converter
Convert height centimeters between units instantly. Includes conversion tables, common equivalents, and calculation formulas.
Height to Centimeters Converter
Calculator
Adjust values & calculateEnter your values below. Every result is computed in your browser โ no data is sent to any server.
Formula: cm = (feet x 12 + inches) x 2.54 | feet = cm / 30.48 | meters = cm / 100
Worked example โ 6 ft 6 in = 198.12 cm = 1.9812 m
Formula
cm = (feet x 12 + inches) x 2.54 | feet = cm / 30.48 | meters = cm / 100
One inch equals exactly 2.54 centimeters. To convert feet and inches to centimeters, first convert to total inches (feet x 12 + inches), then multiply by 2.54. To reverse, divide centimeters by 2.54 to get inches, then divide by 12 for feet.
Worked Examples
Example 1: Basketball Player Height
Problem:Convert 6 feet 6 inches to centimeters and meters.
Solution:Total inches: 6 x 12 + 6 = 78 inches Centimeters: 78 x 2.54 = 198.12 cm Meters: 198.12 / 100 = 1.9812 m
Result:6 ft 6 in = 198.12 cm = 1.9812 m
Example 2: Passport Height Entry
Problem:A passport requires height in centimeters. Convert 5 feet 4 inches.
Solution:Total inches: 5 x 12 + 4 = 64 inches Centimeters: 64 x 2.54 = 162.56 cm Rounded: 163 cm (typical for passports)
Result:5 ft 4 in = 162.56 cm
Frequently Asked Questions
How do I convert feet and inches to centimeters?
First convert everything to inches by multiplying feet by 12 and adding any remaining inches. Then multiply the total inches by 2.54 to get centimeters. For example, 5 feet 10 inches = (5 x 12) + 10 = 70 inches, and 70 x 2.54 = 177.8 cm. This conversion factor is exact because one inch is defined as exactly 2.54 centimeters by international agreement since 1959.
Given a stature in centimetres, how is it expressed as whole feet plus remaining inches?
Divide the centimeters by 2.54 to get total inches, then divide by 12 to get feet with a remainder in inches. For example, 180 cm / 2.54 = 70.87 inches, and 70.87 / 12 = 5 feet with 10.87 inches remaining. So 180 cm is approximately 5 feet 10.9 inches. For a quick mental estimate, divide centimeters by 30 to get approximate feet.
What is the average human height in different units?
The global average adult male height is approximately 171 cm (5 ft 7.3 in) and the average female height is about 159 cm (5 ft 2.6 in). These averages vary significantly by country. In the Netherlands, the average male height is about 183 cm (6 ft 0 in), while in Guatemala it is about 163 cm (5 ft 4 in). Height measurements are important in medicine, nutrition, and fitness for calculating BMI and other health metrics.
Why do some countries use feet and inches while others use centimeters?
The United States, Liberia, and Myanmar are the only countries that have not officially adopted the metric system for everyday measurements. Most of the world uses centimeters and meters as part of the International System of Units (SI). The UK uses a mix of both systems, with people often stating their height in feet and inches informally but using centimeters in medical settings. The metric system is preferred in science and international commerce due to its decimal-based simplicity.
How do I get metres and millimetres from a height in centimetres?
The metric prefixes are pure powers of ten, so no arbitrary factors are involved. Divide centimetres by 100 for metres and multiply by 10 for millimetres: 178 cm is 1.78 m and 1,780 mm. Metres are the SI base unit and are what BMI and other anthropometric formulas expect, centimetres are the everyday reporting unit for stature, and millimetres appear in equipment sizing and clearance specifications. Because each step is a decimal shift, the only realistic error is misplacing the decimal point by one position.
Why is one inch defined as exactly 2.54 centimetres?
Before 1959 the American and British inches differed slightly, which caused real problems in precision manufacturing. The International Yard and Pound Agreement of that year fixed the yard at exactly 0.9144 metres. Dividing by the 36 inches in a yard gives 0.0254 metres, or exactly 2.54 centimetres. The factor is therefore a definition rather than a measurement, so it carries no rounding error, and any imprecision in a converted height comes only from the accuracy of the original measurement.
How does a height in centimetres feed into a BMI calculation?
BMI is defined as mass in kilograms divided by height in metres squared, so a centimetre value has to be divided by 100 first. For someone of 70 kg and 175 cm, height in metres is 1.75, squared it is 3.0625, and 70 / 3.0625 gives a BMI of 22.9. Forgetting the divide-by-100 step inflates the denominator by 10,000 and returns a BMI near zero, which is the classic symptom of a unit error in an anthropometric spreadsheet.
Why does measured height change slightly during the day?
The intervertebral discs are compressible and gradually lose fluid under body weight while you are upright, so stature is typically greatest shortly after rising and smallest in the evening, with a change on the order of a centimetre. This is why clinical protocols standardise the time of measurement, use a fixed stadiometer with the head positioned in the Frankfort horizontal plane, and record the reading with heels together and the head, shoulders and buttocks against the vertical backboard. Self-reported heights tend to run higher than measured ones for related reasons.
What is the difference between the international foot and the US survey foot?
The international foot is exactly 0.3048 metres. The US survey foot, retained for legacy geodetic work and now being phased out, was defined as 1200/3937 metres, about 0.30480061 metres. The two differ by roughly two parts per million, which is invisible in a person height but amounts to only about two millimetres over a kilometre, though it reaches metres across a state plane coordinate system. For height conversion always use the international foot, which is what the exact 2.54 cm per inch relationship assumes.
How much precision should I keep when converting a height?
Match the precision of the source measurement rather than the calculator display. A stadiometer typically resolves to 0.1 cm, so quoting a converted height to four decimal places implies accuracy the measurement never had. Round to the nearest 0.1 cm, or to the nearest quarter inch in imperial. Convert only once from the original figure as well, because bouncing a value repeatedly between feet and inches and centimetres accumulates rounding drift once feet and inches get reported as whole or half units.
References
Background & Theory
Height in centimetres = (feet x 12 + inches) x 2.54, and the 2.54 is exact. So 5 ft 10 in is 70 inches, or exactly 177.8 cm, with no rounding anywhere in the chain.
Conversion reference table
| Conversion | Equivalent | Exact or rounded? |
|---|---|---|
| 5 ft 0 in (60 in) | 152.4 centimetres | Exact |
| 5 ft 4 in (64 in) | 162.56 centimetres | Exact |
| 5 ft 8 in (68 in) | 172.72 centimetres | Exact |
| 5 ft 10 in (70 in) | 177.8 centimetres | Exact |
| 6 ft 0 in (72 in) | 182.88 centimetres | Exact |
| 1 inch | 2.54 centimetres | Exact by definition |
| 170 centimetres | 66.9291339 in = 5 ft 6.93 in | Derived, rounded |
Going from centimetres back to feet and inches is where the rounding creeps in, because the inch remainder rarely lands on a tidy fraction: 170 cm is 5 ft 6.93 in, which most people report as 5 ft 7 in. Medical records, passport applications and body-mass-index calculations all use height as a linear measure, so converting once at the start and keeping a single unit throughout avoids compounding two roundings - and BMI, which divides by height squared, doubles any height error.
Reviewed for accuracy by Manoj Kumar, Mathematics Educator ยท Editorial policy
Related Calculators
๐งฎWaist to Height Ratio Converter
Calculate waist to height ratio converter with inputs, formulas, and instant results.
๐งฎInches to Centimeters Converter
Convert between inches, centimeters, millimeters, and meters with fractions support.
๐งฎFeet to Meters Converter
Convert between feet, meters, yards, and miles for distance and height.
๐งฎNm to Kgf-Cm Converter
Convert torque between Newton-meters and kilogram-force centimeters.
๐งฎTorque Unit Converter
Calculate torque unit converter with inputs, formulas, and instant results.
๐งฎElectrical Resistance Converter (ฮฉ, kฮฉ, Mฮฉ)
Calculate electrical resistance unit converter with inputs, formulas, and instant results.
๐งฎTime Unit Converter
Calculate time unit converter with inputs, formulas, and instant results.
๐งฎArea Converter
Calculate area converter with inputs, formulas, and instant results.