How are units converted?
Values are first converted to a base unit, then divided by the target unit's ratio. One inch is exactly 25.4 mm, so 10 inches is 254 mm.
Example
10 inch × 25.4 = 254 mm
Frequently asked questions
How do I convert inches to centimeters?
Multiply inches by 2.54 to get centimeters.
How do I convert Korean pyeong to square meters?
Multiply Korean pyeong by about 3.305785.
How many decimal places are shown?
Full precision is kept internally; up to six decimal places are displayed.