# US Nautical Miles to Kilometers

## US Nautical Miles to Kilometers conversion calculator

Kilometers to US Nautical Miles (Swap units)

1US nmi = 1.852km

Accuracy

Note: You can increase or decrease the accuracy of this answer by selecting the number of significant figures required from the options above the result.

### US Nautical Miles to Kilometers formula

Kilometers = US Nautical Miles * 1.85199933

### US Nautical Miles to Kilometers calculation

Kilometers = US Nautical Miles * 1.85199933

Kilometers = 1 * 1.8519993258722

Kilometers = 1.852

## What is a US Nautical Mile?

A US nautical mile is a unit of measurement used primarily in navigation and marine activities. It is defined as exactly 1,852 meters or approximately 6,076.12 feet. The term "nautical mile" originated from the need for sailors to measure distances on the Earth's surface while taking into account the curvature of the Earth.

The US nautical mile is based on the international nautical mile, which was established in 1929 by the International Hydrographic Organization (IHO). The IHO defined the nautical mile as one minute of latitude along any meridian. Since the Earth is not a perfect sphere, the length of a nautical mile varies slightly depending on the latitude. However, for practical purposes, the US nautical mile is considered a fixed value.

The US nautical mile is commonly used in marine charts, navigation systems, and aviation. It provides a convenient and standardized way to measure distances at sea, ensuring accurate calculations for ship and aircraft navigation. Additionally, it is used in the calculation of speed over water, known as knots, where one knot is equal to one nautical mile per hour.

## What is a kilometer?

A kilometer is a unit of length in the metric system, commonly used to measure distances. It is equal to 1,000 meters or approximately 0.621 miles. The prefix "kilo" in kilometer denotes a factor of 1,000, making it a larger unit compared to a meter. This unit is widely used around the world, especially in countries that have adopted the metric system.

To put it into perspective, a kilometer is roughly equivalent to 3,281 feet or 39,370 inches. In terms of everyday objects, it is approximately the distance covered in a 10-15 minute walk or the length of a typical city block. Kilometers are commonly used to measure longer distances, such as the length of a road or the distance between cities.

The use of kilometers as a unit of measurement offers several advantages. It provides a standardized and consistent way to measure distances, making it easier to communicate and compare measurements across different regions and countries. Additionally, the decimal-based nature of the metric system simplifies calculations and conversions between different units of length.

## US Nautical Miles to Kilometers table

Starting value
Increment
Accuracy
US Nautical Miles
Kilometers
0US nmi
0.00000km
1US nmi
1.85200km
2US nmi
3.70400km
3US nmi
5.55600km
4US nmi
7.40800km
5US nmi
9.26000km
6US nmi
11.11200km
7US nmi
12.96400km
8US nmi
14.81599km
9US nmi
16.66799km
10US nmi
18.51999km
11US nmi
20.37199km
12US nmi
22.22399km
13US nmi
24.07599km
14US nmi
25.92799km
15US nmi
27.77999km
16US nmi
29.63199km
17US nmi
31.48399km
18US nmi
33.33599km
19US nmi
35.18799km
US Nautical Miles
Kilometers
20US nmi
37.03999km
21US nmi
38.89199km
22US nmi
40.74399km
23US nmi
42.59598km
24US nmi
44.44798km
25US nmi
46.29998km
26US nmi
48.15198km
27US nmi
50.00398km
28US nmi
51.85598km
29US nmi
53.70798km
30US nmi
55.55998km
31US nmi
57.41198km
32US nmi
59.26398km
33US nmi
61.11598km
34US nmi
62.96798km
35US nmi
64.81998km
36US nmi
66.67198km
37US nmi
68.52398km
38US nmi
70.37597km
39US nmi
72.22797km
US Nautical Miles
Kilometers
40US nmi
74.07997km
41US nmi
75.93197km
42US nmi
77.78397km
43US nmi
79.63597km
44US nmi
81.48797km
45US nmi
83.33997km
46US nmi
85.19197km
47US nmi
87.04397km
48US nmi
88.89597km
49US nmi
90.74797km
50US nmi
92.59997km
51US nmi
94.45197km
52US nmi
96.30396km
53US nmi
98.15596km
54US nmi
100.00796km
55US nmi
101.85996km
56US nmi
103.71196km
57US nmi
105.56396km
58US nmi
107.41596km
59US nmi
109.26796km
US Nautical Miles
Kilometers
60US nmi
111.11996km
61US nmi
112.97196km
62US nmi
114.82396km
63US nmi
116.67596km
64US nmi
118.52796km
65US nmi
120.37996km
66US nmi
122.23196km
67US nmi
124.08395km
68US nmi
125.93595km
69US nmi
127.78795km
70US nmi
129.63995km
71US nmi
131.49195km
72US nmi
133.34395km
73US nmi
135.19595km
74US nmi
137.04795km
75US nmi
138.89995km
76US nmi
140.75195km
77US nmi
142.60395km
78US nmi
144.45595km
79US nmi
146.30795km