Inch (in)
Definition: An inch (in) is an imperial unit of length equal to 1/12 of a foot or 2.54 centimeters. It is commonly used for measuring small distances and screen sizes.
History: The inch was originally based on the width of a human thumb. It was later standardized in the 14th century by King Edward II of England as three barleycorns placed end to end.
Current Use: Inches are widely used in the US, UK, and Canada for measuring screen sizes, furniture dimensions, and industrial tools. It remains a popular unit in carpentry, printing, and manufacturing.
Megameter (Mm)
Definition: A megameter (Mm) is a unit of length equal to one million meters (10^6 meters). It is used to measure large distances in both geography and astronomy.
History: The megameter was introduced alongside other metric units to standardize measurements of large distances. It has been mainly used in astronomical contexts to simplify expressions of distances in space.
Current Use: Megameters are used in astronomy to describe distances between astronomical objects such as the Earth and the Sun. They also appear in some applications in geology and planetary science.
Quick Conversion Table Inch (in) to Megameter (Mm)
1 Inch (in) equal to 0.000000025 Megameter (Mm)
5 Inch (in) equal to 0.000000127 Megameter (Mm)
10 Inch (in) equal to 0.000000254 Megameter (Mm)
20 Inch (in) equal to 0.000000508 Megameter (Mm)
30 Inch (in) equal to 0.000000762 Megameter (Mm)
50 Inch (in) equal to 0.00000127 Megameter (Mm)
75 Inch (in) equal to 0.000001905 Megameter (Mm)
100 Inch (in) equal to 0.00000254 Megameter (Mm)