Home
The Metric System
Size is Relative
Meter
Centimeter
Millimeter
Micrometer
Nanometer
Kilometer
Inch
Foot
The length of an average thumb from the top knuckle to the very tip is
1 inch
. To get the equivalent of 1 meter, the top half of 39 thumbs are needed.
Home
The Metric System
Size is Relative
Meter
Centimeter
Millimeter
Micrometer
Nanometer
Kilometer
Inch
Foot