Since there are 2.54 cm in an inch, 3 inches would be 3*2.54, which is 7.62 cm.
OR
If you're saying, "Length of THE THREE INCHES IN A CENTIMETER," then of course, the answer is 3 inches.
Chat with our AI personalities
The length of a box that measures 18 cm is approximately 7.1 inches.
2.54 cm = 1 inch therefore divide length in cm by 2.54 to get equivalent length in inches: 70 cm / 2.54 = 27.5591 inches (to nearest 4th decimal).
3
A double quotation mark, as in 5", means "inches - an old-fashioned unit of length equal to 2.54 cm. A single quotation mark, as in 3', means "feet", an old fashioned unit of length equal to 12 inches or 30.48 cm.
1 foot = 12 inches 30 cm is about 12 inches or 1 foot