About this calculator
Height and room sizes in India are often given in feet and inches, so the result also shows the length that way, for example 170 cm as 5 ft 6.93 in.
How to use it
- Enter the value.
- Choose the unit it is in and the unit you want.
- Read the result, or see every unit in the table.
The formula
Result = value × (metres in the “from” unit) ÷ (metres in the “to” unit)
- 1 inch
- 2.54 cm exactly
- 1 foot
- 12 inches = 30.48 cm
- 1 yard
- 3 feet = 0.9144 m
- 1 mile
- 1,760 yards = 1.609344 km
- 1 nautical mile
- 1,852 m
Worked example
170 cm in feet
- 170 ÷ 30.48 = 5.5774 ft.
- 0.5774 ft × 12 = 6.93 in, so 170 cm is 5 ft 6.93 in.
- Going the other way, 5 ft 7 in = 67 in × 2.54 = 170.18 cm.
What the result means
All the units here have exact international definitions, so the conversions are exact. Results are shown to 9 significant figures.
Assumptions
- Imperial units follow the international definitions agreed in 1959.
Limitations
- Traditional Indian length units such as hath or gaz used in older records can differ by region and are not included; yard is the standard gaj.
Frequently asked questions
How many cm are in a foot?
30.48 cm. A foot is 12 inches and an inch is exactly 2.54 cm.
How do I convert height in cm to feet and inches?
Divide by 2.54 to get inches, then divide by 12: the whole number is feet and the remainder is inches. The calculator shows this for you.
How many km is a mile?
1.609344 km. Roughly, 5 miles is 8 km.
Last reviewed on 1 October 2026. Found a mistake? Tell us.