Convert Inches to Nautical Miles
1 in = 0.0000137149 nmi
Conversion Table
| inches (in) | nautical miles (nmi) |
|---|---|
| 0.5 | 0.00000685745 |
| 1 | 0.0000137149 |
| 2 | 0.0000274298 |
| 5 | 0.0000685745 |
| 10 | 0.000137149 |
| 25 | 0.000342873 |
| 50 | 0.000685745 |
| 100 | 0.00137149 |
| 250 | 0.00342873 |
| 500 | 0.00685745 |
| 1000 | 0.0137149 |
How to Convert inches to nautical miles
To convert inches to nautical miles, multiply the value by the conversion factor:
For example: 10 in = 0.000137149 nmi
About inches and nautical miles
The Conversion Formula
To convert inches to nautical miles, multiply the value by the conversion factor: 1 in = 0.0000137149 nmi. For a worked example, suppose you need to convert 25 in to nautical miles: 25 × 0.0000137149 = 0.000342873 nmi. To convert in the opposite direction, divide by 0.0000137149, or equivalently multiply by 72913.39.
About inches
The inch is a unit of length in the British imperial and United States customary systems. The word comes from the Latin 'uncia', meaning 'one-twelfth'. Traditionally defined as the width of a man's thumb or the length of three barleycorns, it is now precision-defined as 25.4 millimeters. It is the global standard for electronic display sizes (TVs, monitors, phones) and wheel rim diameters. inches are commonly used in Screen sizes (TVs, smartphones), Tire rim diameters, Paper sizes (Letter, Legal), and Plumbing pipe diameters, Rainfall in the US.
A US quarter is just under 1 inch in diameter.
About nautical miles
The nautical mile is distinct from the statute mile, designed specifically for navigation. It was originally defined as one minute of latitude along any meridian, making it directly compatible with map coordinates. This allowed sailors to measure distance using the stars and a sextant. In 1929, it was standardized to exactly 1,852 meters. It is the basis for the 'knot' (one nautical mile per hour). nautical miles are commonly used in Ship navigation, Aircraft flight planning, International law (territorial waters), and Polar exploration, Meteorological forecasts.
A nautical mile is about 15% longer than a standard land mile.
When Would You Convert inches to nautical miles?
Converting between inches and nautical miles is one of the most common length conversions. You might need this conversion when working with international specifications, following instructions written for a different measurement system, or comparing values across different standards. Having the conversion factor (1 in = 0.0000137149 nmi) memorized or bookmarked can save time in professional and everyday contexts alike.