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Convert miles to nmi

Interactive miles to nautical miles conversion tool

The miles to nmi converter below can be used to quickly and easily convert miles to nautical miles. Simply enter the number of miles you want to convert and the calculator will output the corresponding value in nautical miles.

Convert Miles to Nautical miles

What is the conversion factor between miles and nautical miles?

A conversion factor is used to change the units of a measured quantity without changing its value. It represents the ratio (or fraction) that expresses the relationship between two different units. A conversion factor is always equal to 1.

The relationship between miles and nautical miles is 18521609.344, such as:

1 nmi =18521609.344 mi

Following the formula above, we can see that there are 18521609.344 miles for every nautical mile, and for every mile, there are 1609.3441852 nautical miles (0.868976 nmi).

To convert from miles to nautical miles, we turn our formula into a conversion factor that is equal to 1.

1609.344 nmi1852 mi = 1852 mi1609.344 nmi= 1

Both these fractions are equal to 1. The numerator and the denominator are equivalent, they are just expressed in different units.

Because we are converting from mile to nautical mile, we will use the first fraction: 1609.344 nmi1852 mi so that miles are canceled out. We then multiply the value in miles by this fraction to get the result in nautical miles (see example).

Note that mi is in the denominator (bottom) of the conversion factor. This is important, you always want to have the unit you are converting from at the bottom and the unit you are converting to in the numerator (top).

Conversion factor = Unit you are converting toUnit you are converting from

You will find below how to use this ratio to convert from mi to nmi. Just remember for now that the conversion factor for converting from miles to nautical miles is:

1609.344 nmi1852 mi

Which is bigger, a mile or a nautical mile?

When it comes to measurements, there can be some confusion over which is bigger, a mile or an nautical mile. To find out which one is larger, we must first convert one unit to the other and then compare them.

  • 1 mi = 1609.3441852 nmi = 0.8689762419 nmi
  • 0.868976 nautical mile is smaller than 1 nautical mile.
  • 1 mile is, therefore, smaller than 1 nautical mile.
  • To be more specific, a nautical mile is 1.15078 times bigger than a mile.

miles to nautical miles conversion table

milesnautical milesmilesnautical miles
1 mi0.868976 nmi11 mi9.55874 nmi
2 mi1.73795 nmi12 mi10.4277 nmi
3 mi2.60693 nmi13 mi11.2967 nmi
4 mi3.4759 nmi14 mi12.1657 nmi
5 mi4.34488 nmi15 mi13.0346 nmi
6 mi5.21386 nmi16 mi13.9036 nmi
7 mi6.08283 nmi17 mi14.7726 nmi
8 mi6.95181 nmi18 mi15.6416 nmi
9 mi7.82079 nmi19 mi16.5105 nmi
10 mi8.68976 nmi20 mi17.3795 nmi

1–20 of 100

How to convert miles to nautical miles?

Multiplying any value by 1 will get you the same value back. You can do that one time or multiple times.

For example:

  • 69 x 1 = 69
  • 190 x 1 x 1 x 1 = 190

Multiplying by 1 is the first step in any unit conversion problem. The second step is to replace the number 1 with the conversion factor that is also equal to 1.

For example, if we want to convert 18.52 miles into nautical miles we multiply 18.52 mi by the conversion factor of 1609.344 nmi1852 mi

18.52 mi = 18.52 mi x 1 = 18.52 mi x 1609.344 nmi1852 mi = 16.0934 nmi

By replacing the number 1 with the conversion factor, miles are canceled out and we get the result in nautical miles. And since the conversion factor is equal to 1, multiplying it with the original value won't change its magnitude and will only change its unit.

Based on this, we can conclude that 18.52 miles are equal to 16.0934 nautical miles.

Remember:

  • When converting from miles to nautical miles, we use 1609.344 nmi1852 mi as a conversion factor.

Practice: miles to nautical miles conversion

Try answering the following questions without using our custom conversion calculator. Knowing how to convert manually between miles and nautical miles could prove to be useful, so give it a shot. Once you are confident you can convert miles to nautical miles, there is no harm then in taking full advantage of the tools available to you.

How to convert 67 miles to nautical miles?

We multiply 67 by the factor of 1

67 mi = 67 mi x 1

We replace the number 1 with the conversion factor for miles to nautical miles

67 mi = 67 mi x 1609.344 nmi1852 mi

We multiply 67 miles by the conversion factor. Having miles in the denominator allows us to cancel out the undesired units (mi) leaving only nautical miles in the final result.

67 mi = 67 mi x 1609.344 nmi1852 mi
67 mi = 67 x 1609.3441852 nmi
67 mi = 58.2214 nmi

Answer: There are 58.2214 nautical miles in 67 miles

How many nautical miles are in 505 miles?

Multiply 505 by the conversion factor. Make sure the unwanted unit (mi) is in the denominator.

505 mi = 505 mi x 1609.344 nmi1852 mi

This allows us to cancel out the miles (mi) and leave the nautical miles (nmi)

505 mi = 505 mi x 1609.344 nmi1852 mi
505 mi = 505 x 1609.3441852 nmi
505 mi = 438.833 nmi

Answer: There are 438.833 nautical miles in 505 miles

nautical miles to miles conversion

  • 1 nmi = 18521609.344 mi = 1.150779448 mi
  • To convert from nautical miles to miles use our nmi to miles converter

miles conversion

Convert from Miles (mi):

  • Miles to kilometers (mi to km)
    1 mi = 1.609344 km
  • Miles to meters (mi to m)
    1 mi = 1609.344 m
  • Miles to centimeters (mi to cm)
    1 mi = 160934.4 cm
  • Miles to millimeters (mi to mm)
    1 mi = 1.609344e+6 mm
  • Miles to micrometers (mi to μm)
    1 mi = 1.609344e+9 μm
  • Miles to nanometers (mi to nm)
    1 mi = 1.609344e+12 nm
  • Miles to nautical miles (mi to nmi)
    1 mi = 1609.3441852 nmi = 0.8689762419 nmi
  • Miles to yards (mi to yd)
    1 mi = 1760 yd
  • Miles to feet (mi to ft)
    1 mi = 5280 ft
  • Miles to inches (mi to in)
    1 mi = 63360 in

Convert to Miles (mi):

  • Kilometers to miles (km to mi)
    1 km = 11.609344 mi = 0.6213711922 mi
  • Meters to miles (m to mi)
    1 m = 11609.344 mi = 0.0006213711922 mi
  • Centimeters to miles (cm to mi)
    1 cm = 1160934.4 mi = 6.213711922e-6 mi
  • Millimeters to miles (mm to mi)
    1 mm = 11.609344e+6 mi = 6.213711922e-7 mi
  • Micrometers to miles (μm to mi)
    1 μm = 11.609344e+9 mi = 6.213711922e-10 mi
  • Nanometers to miles (nm to mi)
    1 nm = 11.609344e+12 mi = 6.213711922e-13 mi
  • Nautical miles to miles (nmi to mi)
    1 nmi = 18521609.344 mi = 1.150779448 mi
  • Yards to miles (yd to mi)
    1 yd = 11760 mi = 0.0005681818182 mi
  • Feet to miles (ft to mi)
    1 ft = 15280 mi = 0.0001893939394 mi
  • Inches to miles (in to mi)
    1 in = 163360 mi = 1.578282828e-5 mi

nautical-miles conversion

Convert from Nautical miles (nmi):

  • Nautical miles to kilometers (nmi to km)
    1 nmi = 1.852 km
  • Nautical miles to meters (nmi to m)
    1 nmi = 1852 m
  • Nautical miles to centimeters (nmi to cm)
    1 nmi = 185200 cm
  • Nautical miles to millimeters (nmi to mm)
    1 nmi = 1.852e+6 mm
  • Nautical miles to micrometers (nmi to μm)
    1 nmi = 1.852e+9 μm
  • Nautical miles to nanometers (nmi to nm)
    1 nmi = 1.852e+12 nm
  • Nautical miles to miles (nmi to mi)
    1 nmi = 18521609.344 mi = 1.150779448 mi
  • Nautical miles to yards (nmi to yd)
    1 nmi = 18520.9144 yd = 2025.371829 yd
  • Nautical miles to feet (nmi to ft)
    1 nmi = 18520.3048 ft = 6076.115486 ft
  • Nautical miles to inches (nmi to in)
    1 nmi = 18520.0254 in = 72913.38583 in

Convert to Nautical miles (nmi):

  • Kilometers to nautical miles (km to nmi)
    1 km = 11.852 nmi = 0.5399568035 nmi
  • Meters to nautical miles (m to nmi)
    1 m = 11852 nmi = 0.0005399568035 nmi
  • Centimeters to nautical miles (cm to nmi)
    1 cm = 1185200 nmi = 5.399568035e-6 nmi
  • Millimeters to nautical miles (mm to nmi)
    1 mm = 11.852e+6 nmi = 5.399568035e-7 nmi
  • Micrometers to nautical miles (μm to nmi)
    1 μm = 11.852e+9 nmi = 5.399568035e-10 nmi
  • Nanometers to nautical miles (nm to nmi)
    1 nm = 11.852e+12 nmi = 5.399568035e-13 nmi
  • Miles to nautical miles (mi to nmi)
    1 mi = 1609.3441852 nmi = 0.8689762419 nmi
  • Yards to nautical miles (yd to nmi)
    1 yd = 0.91441852 nmi = 0.0004937365011 nmi
  • Feet to nautical miles (ft to nmi)
    1 ft = 0.30481852 nmi = 0.0001645788337 nmi
  • Inches to nautical miles (in to nmi)
    1 in = 0.02541852 nmi = 1.371490281e-5 nmi

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