Nautical Miles to Kilometers (nmi → km)
Formula
1 nmi = 1.852 kmConversion Table
| nmi | km |
|---|---|
| 0 | 0 |
| 1.0000 | 1.8520 |
| 2.0000 | 3.7040 |
| 3.0000 | 5.5560 |
| 4.0000 | 7.4080 |
| 5.0000 | 9.2600 |
| 6.0000 | 11.112 |
| 7.0000 | 12.964 |
| 8.0000 | 14.816 |
| 9.0000 | 16.668 |
| 10.000 | 18.520 |
| 11.000 | 20.372 |
| 12.000 | 22.224 |
| 13.000 | 24.076 |
| 14.000 | 25.928 |
| 15.000 | 27.780 |
| 16.000 | 29.632 |
| 17.000 | 31.484 |
| 18.000 | 33.336 |
| 19.000 | 35.188 |
| nmi | km |
|---|---|
| 20.000 | 37.040 |
| 21.000 | 38.892 |
| 22.000 | 40.744 |
| 23.000 | 42.596 |
| 24.000 | 44.448 |
| 25.000 | 46.300 |
| 26.000 | 48.152 |
| 27.000 | 50.004 |
| 28.000 | 51.856 |
| 29.000 | 53.708 |
| 30.000 | 55.560 |
| 31.000 | 57.412 |
| 32.000 | 59.264 |
| 33.000 | 61.116 |
| 34.000 | 62.968 |
| 35.000 | 64.820 |
| 36.000 | 66.672 |
| 37.000 | 68.524 |
| 38.000 | 70.376 |
| 39.000 | 72.228 |
| nmi | km |
|---|---|
| 40.000 | 74.080 |
| 41.000 | 75.932 |
| 42.000 | 77.784 |
| 43.000 | 79.636 |
| 44.000 | 81.488 |
| 45.000 | 83.340 |
| 46.000 | 85.192 |
| 47.000 | 87.044 |
| 48.000 | 88.896 |
| 49.000 | 90.748 |
| 50.000 | 92.600 |
| 51.000 | 94.452 |
| 52.000 | 96.304 |
| 53.000 | 98.156 |
| 54.000 | 100.01 |
| 55.000 | 101.86 |
| 56.000 | 103.71 |
| 57.000 | 105.56 |
| 58.000 | 107.42 |
| 59.000 | 109.27 |
| nmi | km |
|---|---|
| 60.000 | 111.12 |
| 61.000 | 112.97 |
| 62.000 | 114.82 |
| 63.000 | 116.68 |
| 64.000 | 118.53 |
| 65.000 | 120.38 |
| 66.000 | 122.23 |
| 67.000 | 124.08 |
| 68.000 | 125.94 |
| 69.000 | 127.79 |
| 70.000 | 129.64 |
| 71.000 | 131.49 |
| 72.000 | 133.34 |
| 73.000 | 135.20 |
| 74.000 | 137.05 |
| 75.000 | 138.90 |
| 76.000 | 140.75 |
| 77.000 | 142.60 |
| 78.000 | 144.46 |
| 79.000 | 146.31 |
Nautical Miles to Kilometers Conversion
Converting Nautical Miles (nmi) to Kilometers (km) is a common length conversion. 1 nmi equals 1.852 km. For example, 100 nmi is equal to 185.2 km.
Quick Mental Math: Nautical Miles to Kilometers
Apply the standard conversion formula to convert nautical miles to kilometers.
Why is converting Nautical Miles to Kilometers tricky?
One unit is obscure or specialized, making the conversion unfamiliar to most people.
Quick Reference Values
1 nmi = 1.852 km. 5 nmi = 9.26 km. 10 nmi = 18.52 km. 25 nmi = 46.3 km. 50 nmi = 92.6 km. 100 nmi = 185.2 km.
What is Nautical Miles?
Nautical Miles (nmi) is a unit of length. A nautical mile equals exactly 1852 meters by international agreement, representing one minute of arc along a meridian on Earth's surface. It is used for maritime and aviation navigation due to its direct link with angular measurements on a globe [bipm-si-brochure]. The nautical mile was standardized internationally in 1929 based on Earth's circumference. It derives from older maritime practices where one minute of latitude approximately equaled one nautical mile, formalized by the International Hydrographic Organization [bipm-si-brochure]. Nautical miles are the standard unit for sea and air navigation globally. Countries, maritime organizations, and aviation authorities use nautical miles for distance, speed (knots), and charting [bipm-si-brochure].
What is Kilometers?
Kilometers (km) is a unit of length. The kilometer is a metric unit of length equal to 1,000 meters. It is used as a standard measure for distances in the SI system, where one meter is defined by the speed of light in vacuum. The kilometer facilitates expressing larger distances conveniently [bipm-si-brochure]. The kilometer was established in France during the metric system's creation in the late 18th century as 1,000 meters. It was adopted internationally to provide a uniform length measurement for land distances and mapping [bipm-si-brochure]. Kilometers are widely used globally for road distances, geography, and transportation metrics. Countries including Canada, Australia, and most of Europe use kilometers for speed limits and distance signs, following SI conventions [nist-si-guide].
Common Misspellings
People often search for this conversion using these alternate spellings: nautical mile, nauticalmiles, nauticalmiles, nautical mils, kilometres, kilomiter, kilometerss, kilomters. All of these refer to the Nautical Miles to Kilometers conversion.