Convert between metric and imperial length units, including millimeters (mm), meters (m), inches (in), feet (ft), and miles (mi). Length is a fundamental physical quantity measuring the distance between two points. The meter (m) is the SI base unit; imperial units are defined by exact conversion factors to SI (e.g. 1 in = 25.4 mm).
This length converter transforms values from Inches (in) to Kilometers (km). Results update instantly using the exact conversion factor.
The inch (in) is an imperial length unit equal to exactly 25.4 mm (1 in = 0.0254 m).
The kilometer (km) equals 1,000 m and is used for road distances and geography.
1 in ÷ 39370.07874016 = 0.0000254 km
km = in ÷ 39370.07874016
To convert in to km, divide the value in in by 39370.07874016 (since 1 in = 0.0000254 km). Equivalently, multiply by 0.0000254. Example: 1 in = 1 in × 0.0000254 = 0.0000254 km.
10 in = 0.000254 km ÷ 39370.07874016 = 10 in
Common values from in to km.
| in | km |
|---|---|
| 1 | 0 |
| 2 | 0.0001 |
| 3 | 0.0001 |
| 4 | 0.0001 |
| 5 | 0.0001 |
| 6 | 0.0002 |
| 7 | 0.0002 |
| 8 | 0.0002 |
| 9 | 0.0002 |
| 10 | 0.0003 |
| 11 | 0.0003 |
| 12 | 0.0003 |
| 13 | 0.0003 |
| 14 | 0.0004 |
| 15 | 0.0004 |
| 16 | 0.0004 |
| 17 | 0.0004 |
| 18 | 0.0005 |
| 19 | 0.0005 |
| 20 | 0.0005 |