CM to Inches Converter
Enter a value and choose units to convert between common metric and imperial length measurements.
Last updated: September 22, 2026
Frequently asked questions
How many inches is a centimeter?
1 centimeter equals about 0.3937 inches. To convert cm to inches, divide by 2.54.
Is this conversion exact or rounded?
The underlying conversion factor (1 inch = 2.54 cm) is exact by international definition - any rounding you see is just the displayed result being trimmed to a readable number of decimal places.
Why do some online converters give a slightly different answer?
Small differences usually come from rounding at different decimal places, not a different conversion factor - the underlying 1 inch = 2.54 cm relationship is a fixed international standard, so any accurate converter should agree once you compare at the same precision.
Which length units does this converter support?
This tool converts between metric units (millimeters, centimeters, meters, kilometers) and imperial/US units (inches, feet, yards, miles), so you can convert in either direction without memorizing conversion factors.
How many centimeters are in a kilometer?
100,000 centimeters - a kilometer is 1,000 meters, and each meter is 100 centimeters, so 1,000 × 100 = 100,000 cm.
How tall is 175 cm in feet and inches?
175 cm is about 5 feet 8.9 inches (68.9 inches total) - divide 175 by 2.54 to get inches, then divide by 12 for feet, with the remainder as extra inches. Enter 175 with "Centimeters" selected above to see this and other unit conversions at once.
Is 'feet in to cm' the same as this converter?
Yes - this tool converts feet to centimeters and centimeters to feet (along with several other length units), in either direction.
Is 'feet inches centimeters,' 'foot and inches to cm,' or 'ft inch to cm' different from this tool?
No - all of these describe converting between feet/inches and centimeters, which this converter handles alongside several other length units.
How tall is 5 feet 8 inches in centimeters?
About 172.7 cm - convert to total inches (5×12+8=68), then multiply by 2.54 (68×2.54=172.72 cm). Enter 68 with "Inches" selected above to confirm.
How tall is 5 feet 9 inches in centimeters?
About 175.26 cm - convert to total inches (5×12+9=69), then multiply by 2.54 (69×2.54=175.26 cm).
How many feet is 210 cm?
About 6 feet 10.7 inches - divide 210 by 2.54 to get 82.68 inches, then divide by 12 for feet (6) with the remainder in inches (10.68). Enter 210 with "Centimeters" selected above to confirm.
How many inches is 210 cm?
About 82.68 inches - divide 210 by 2.54. Enter 210 with "Centimeters" selected above to confirm.
How many feet is 108 inches?
Exactly 9 feet - divide 108 by 12. Enter 108 with "Inches" selected above to confirm.
How many inches is a millimeter?
1 millimeter equals about 0.03937 inches - divide millimeters by 25.4, or select "Millimeters" above and enter your value to see the exact inch equivalent alongside every other supported unit.