Convert 20 Inches to Millimeters
How long is 20 inches? How far is 20 inches in millimeters? 20 in to mm conversion.
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20 Inches =
508 Millimeters
exact result
Decimal places
Feet and Inches
20 inches = 1 foot and 8 inches
Result in Plain English
20 inches is equal to exactly 508 millimeters.
In Scientific Notation
20 inches
= 2 x 101 inches
= 5.08 x 102 millimeters
Inches
An inch is a unit of length equal to exactly 2.54 centimeters. There are 12 inches in a foot, and 36 inches in a yard.Abbreviation: in
Millimeters
A millimeter, or millimetre, is a unit of length equal to one thousandth of a meter.Abbreviation: mm