Convert Inches to Nautical Miles
Convert Inches(inch) to Nautical Miles(nmi) or vice versa.
Related "inch" Conversion Units
Convert inch with other distance converter.
What is an Inches to Nautical Miles Converter?
Inches (in) are a small unit of length, part of the imperial system (used in the US). A nautical mile (nmi) is a much larger unit, used mostly for sea and air navigation. Think of it like this: an inch is about the length of your thumb, while a nautical mile is over a mile long!
This converter helps you change a measurement from tiny inches into nautical miles, which are used to measure vast distances across oceans or in the sky.
The Conversion
1 Nautical Mile = 72,913.4 Inches
That means it takes a *lot* of inches to make up just one nautical mile! Because the difference is so big, we usually use a very small decimal number to convert inches to nautical miles.
Nautical Miles = Inches × 0.000013715 (or 1.3715e-5)
Example: Let's say you measured something to be 100,000 inches long. To find out how many nautical miles that is, you'd multiply: 100,000 inches * 0.000013715 = 1.3715 nautical miles.
For an easy conversion, use our calculator at the top!
Why Convert Inches to Nautical Miles?
You probably won't need to do this conversion very often in everyday life! It's mostly used in specific situations:
- Marine Navigation
Charts used by ships and boats use nautical miles to show distances at sea. If, for some reason, a small part of a nautical chart were measured in inches (like a very detailed inset map), you'd need this conversion.
- Aviation
Pilots also use nautical miles to measure how far they fly. Again, it's unlikely they'd have measurements in inches, but this conversion could be necessary in rare cases, perhaps when dealing with very precise scaled models or diagrams.
- Scaled Models/Maps
If you had a very, *very* large-scale model of a ship or airplane where some tiny details are measured in inches, and you needed to know the real-world distance in nautical miles, you'd use this conversion.
How to Convert
Remember, because we're going from a small unit (inch) to a very large unit (nautical mile), we'll be using a tiny decimal.
Inches to Nautical Miles (in to nmi)
Multiply the number of inches by 0.000013715 (or 1.3715e-5).
Example: If you have a measurement of 500,000 inches, you'd multiply: 500,000 inches * 0.000013715 = 6.8575 nautical miles.
Nautical Miles to Inches (nmi to in)
Multiply the number of nautical miles by 72,913.4.
Example: If you have a distance of 2 nautical miles, you'd multiply: 2 nmi * 72,913.4 inches/nmi = 145,826.8 inches.
Or, even quicker, use our converter above!
Key Reminders
A nautical mile is much, much larger than an inch.
You'll likely only need this conversion in very specific situations related to navigation or extremely detailed scale models.
| Inch | Nautical Mile |
|---|---|
| 0.01 Inch | 0.00 Nautical Mile |
| 0.1 Inch | 0.00 Nautical Mile |
| 1 Inch | 0.00 Nautical Mile |
| 2 Inch | 0.00 Nautical Mile |
| 3 Inch | 0.00 Nautical Mile |
| 5 Inch | 0.00 Nautical Mile |
| 10 Inch | 0.00 Nautical Mile |
| 20 Inch | 0.00 Nautical Mile |
| 50 Inch | 0.00 Nautical Mile |
| 100 Inch | 0.00 Nautical Mile |
| 1000 Inch | 0.01 Nautical Mile |
| 10000 Inch | 0.14 Nautical Mile |
| 100000 Inch | 1.37 Nautical Mile |