About the Feet to CM Converter
This feet to cm converter changes a length in feet — with optional extra inches — into centimeters, plus meters and millimeters. It uses the exact definition 1 foot = 30.48 cm, so the answer is precise for heights, furniture and room dimensions, fabric, and any form that asks for centimeters.
The most common use is height: enter 5 ft and 9 in and you get 175.26 cm immediately. You can also type a decimal such as 6.25 ft and leave inches at zero. The table below lists heights from 4 ft to 7 ft in one-inch steps that come up most often.
Fractions of an inch work too — enter 10.5 in for ten and a half inches. Because the factor is exact, the only rounding is in how many decimals you choose to read.
With the default inputs, the centimeters is 175.26 cm. Change any value above to recalculate instantly.
How to use the feet to cm converter
- 1Enter the number of feet.
- 2Enter any extra inches (or leave at 0 for decimal feet).
- 3Read the result in centimeters.
- 4Use the height chart for quick lookups.
Formula and method
One inch is defined as exactly 2.54 cm, and a foot is 12 inches, so one foot is exactly 30.48 cm. The converter turns feet and inches into total inches (feet × 12 + inches) and multiplies by 2.54.
Meters are centimeters ÷ 100 and millimeters are centimeters × 10. To go back from centimeters to feet, divide by 30.48; the whole-number part is feet and the remainder × 12 is inches.
- ft
- Whole or decimal feet
- in
- Additional inches
- 30.48
- Centimeters per foot (exact)
Worked examples
Height of 5 ft 9 in
5 ft 9 in is 5 × 12 + 9 = 69 inches. 69 × 2.54 = 175.26 cm, or 1.7526 m.
6-foot person
6 × 30.48 = 182.88 cm, usually rounded to 183 cm.
2.5-foot shelf
2.5 × 30.48 = 76.2 cm, which is 762 mm.
Frequently asked questions
How many cm are in a foot?+
One foot is exactly 30.48 centimeters, because one inch is defined as exactly 2.54 cm and a foot has 12 inches.
What is 5 ft 6 in in cm?+
5 ft 6 in is 66 inches, and 66 × 2.54 = 167.64 cm. Most people round this to 168 cm.
What is 5 feet 10 inches in cm?+
5 ft 10 in equals 70 inches, which is 70 × 2.54 = 177.8 cm, or about 1.78 meters.
How do I convert feet and inches to cm by hand?+
Multiply the feet by 12, add the inches to get total inches, then multiply by 2.54. For 5 ft 4 in: 64 × 2.54 = 162.56 cm.
How do I convert cm back to feet and inches?+
Divide centimeters by 2.54 to get inches, then divide by 12. The whole number is feet and the remainder is inches: 170 cm ÷ 2.54 = 66.9 in = 5 ft 6.9 in.