Online calculator to convert millimeters to nautical miles (mm to nmi) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Length or Distance units.
Conversion Calculator
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Convert mm to nautical miles
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Conversion Definitions
The following is a list of definitions relating to conversions between millimeters and nautical miles.
What is a millimeter (mm)?
A millimeter is a unit of Length or Distance in the Metric System. The symbol for millimeter is mm. There are 1,852,000 millimeters in a nautical mile. The International spelling for this unit is millimetre.
What is a nautical mile (M, NM, or nmi)?
A nautical mile is a non-SI unit of Length or Distance. A nautical mile is based on the circumference of the Earth and is used by sea and air navigators. It is approximately one minute of arc measured along any meridian. The symbol for nautical mile is M or NM or nmi. There are 0.00000054 nautical miles in a millimeter.
Conversion Formula
Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.
The formula to convert from mm to nautical miles is:
nautical miles = mm ÷ 1,852,000
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from millimeters to nautical miles (mm to nmi).
Millimeter to Nautical Mile Conversion Example
Task: Convert 250,000 millimeters to nautical miles (show work) Formula: mm ÷ 1,852,000 = nautical miles Calculations: 250,000 mm ÷ 1,852,000 = 0.1349892 nautical miles Result: 250,000 mm is equal to 0.1349892 nautical miles
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from mm to nautical miles.
Millimeters to Nautical Miles Conversion Chart
| millimeters (mm) | nautical miles (nmi) |
|---|---|
| 1 mm | 0.00000054 nmi |
| 2 mm | 0.00000108 nmi |
| 3 mm | 0.00000162 nmi |
| 4 mm | 0.00000216 nmi |
| 5 mm | 0.0000027 nmi |
| 6 mm | 0.00000324 nmi |
| 7 mm | 0.00000378 nmi |
| 8 mm | 0.00000432 nmi |
| 9 mm | 0.00000486 nmi |
| 10 mm | 0.0000054 nmi |
| 20 mm | 0.0000108 nmi |
| 30 mm | 0.0000162 nmi |
| 40 mm | 0.0000216 nmi |
| 50 mm | 0.000027 nmi |
| 75 mm | 0.0000405 nmi |
| 100 mm | 0.000054 nmi |
| 250 mm | 0.00013499 nmi |
| 500 mm | 0.00026998 nmi |
| 750 mm | 0.00040497 nmi |
| 1,000 mm | 0.00053996 nmi |
| 2,500 mm | 0.00134989 nmi |
| 5,000 mm | 0.00269978 nmi |
| 7,500 mm | 0.00404968 nmi |
| 10,000 mm | 0.00539957 nmi |
| 25,000 mm | 0.01349892 nmi |
| 50,000 mm | 0.02699784 nmi |
| 75,000 mm | 0.04049676 nmi |
| 100,000 mm | 0.05399568 nmi |
| 250,000 mm | 0.1349892 nmi |
Related Units
This table provides a summary of the Length or Distance units within their respective measurement systems.
| Unit | Symbol | Measurement System |
|---|---|---|
| inches | in or " | US Customary Units/Imperial System |
| feet | ft or ' | US Customary Units/Imperial System |
| yards | yd | US Customary Units/Imperial System |
| miles | mi | US Customary Units/Imperial System |
| picometers | pm | Metric System |
| nanometers | nm | Metric System |
| micrometers | μm | Metric System |
| millimeters | mm | Metric System |
| centimeters | cm | Metric System |
| decimeters | dm | Metric System |
| meters | m | Metric System |
| decameters | dam or dkm | Metric System |
| hectometers | hm | Metric System |
| kilometers | km | Metric System |
| megameters | Mm | Metric System |
| gigameters | Gm | Metric System |
| nautical miles | M or NM or nmi | Non-SI (International) |
| angstroms | Å | Non-SI (International) |
| rods | rod | Non-SI (International) |
Note: For Length and Distance conversions, US Customary Units and the Imperial System are equivalent.
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