Well, everybody has their size foot so I guess it is. God makes no mistakes.
2 centimeters
3-1/4" Long x 3/8" wide x 7/16" thick.
The answer is 20mmAn average of 6 feet. But you may wanna consider the height of the door's owner.
do the length times the width and that equals the area
The perimeter of a door is the total distance around its outer edges. To calculate the perimeter of a door, you would measure the length of all four sides of the door and then add them together. For example, if a door is rectangular with a length of 80 inches and a width of 36 inches, the perimeter would be calculated as follows: 80 + 80 + 36 + 36 = 232 inches.
6feet
4inches
Measure the length of your stride and call it S. Then walk from the curb to your front door on eh sidewalk and count the number of strides. Say it is N. Then the length is S x N = Length in whatever unit you measured your stride.
Paper
Earthworms vary greatly in their length.
300 feet
About 4 millimeters
1 meter
12mm
21 feet
2 centimeters
about 3 meters