Multiply the inches by 2.54, because one inch is defined as exactly 2.54 centimeters. So 5 inches is 12.7 cm and 12 inches is 30.48 cm. A free converter gives the precise figure for any value instantly.
Free inches to cm converter. Convert inches to centimeters instantly using the exact factor (1 inch = 2.54 cm). Live result as you type, private.
Open Inches to CM Converter → Free toolFree length and distance converter. Convert between millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles instantly as you type.
Open Length Converter →The inch is defined as exactly 2.54 cm, so inches to centimeters is one clean multiplication with no rounding built in: cm = inches x 2.54. That exactness is why 12 inches is exactly 30.48 cm and 36 inches (a yard) is exactly 91.44 cm.
Common values: 1 inch is 2.54 cm, 6 inches is 15.24 cm, 12 inches is 30.48 cm, and 36 inches is 91.44 cm. For height, 70 inches (5 feet 10 inches) is 177.8 cm and 72 inches (6 feet) is 182.88 cm. Screens, waistbands and paper sizes all mix the two systems, which is where an instant converter earns its keep.
6 feet is 72 inches, and 72 x 2.54 = 182.88 cm.
Yes. One inch is defined as exactly 2.54 cm, so the multiplication is precise.
5 x 2.54 = 12.7 cm exactly.