Convert inch to kilometer
Facts about the Inch
The inch is an imperial unit of length, officially defined as exactly 25.4 millimeters.
Originally based on the width of a thumb, the inch was standardized in 1959 and has deep roots in Anglo-Saxon and Roman measurement systems.
Inches are still widely used in the United States and UK for screen sizes, tools, and construction materials.
1 in = 2.54 cm = 25.4 mm = 0.0833333 ft
Conversion Table
| From | To | Value |
|---|---|---|
| 1 in | cm | 2.54 |
| 1 in | mm | 25.4 |
| 1 in | ft | 0.0833333 |
Facts about the Kilometer
A kilometer is equal to 1,000 meters and is used to measure long distances.
Derived from the Greek word 'khilioi' meaning 'thousand', and 'metron' meaning 'measure', the kilometer became standard during the metrication movement in the 18th century.
Common in road distances, maps, GPS systems, and long-distance athletics such as marathons.
1 km = 1000 m = 0.621371 mi
Conversion Table
| From | To | Value |
|---|---|---|
| 1 km | m | 1000 |
| 1 km | mi | 0.621371 |
| 1 km | ft | 3280.84 |