Sumwise

Nautical miles to kilometers

kilometers = nautical miles × 1.852

Reverse: kilometers to nautical miles

How to convert nautical miles to kilometers

One nautical mile is 1.852 kilometers, so multiply the number of nautical miles by 1.852. For example, 20 nautical miles is 20 × 1.852 = 37.04 kilometers. To go back, divide by the same number, or multiply by 0.5399568.

Quick estimate

Multiplying by about 1.9 gets within 2.6% of the exact answer, which is enough to check that a result makes sense.

Where it comes up

Length conversions come up in DIY and building plans, running and cycling distances, maps, clothing sizes and travel between countries that use metric and imperial units.

nautical mileskilometers
1 nmi1.852 km
2 nmi3.704 km
3 nmi5.556 km
4 nmi7.408 km
5 nmi9.26 km
6 nmi11.112 km
7 nmi12.964 km
8 nmi14.816 km
9 nmi16.668 km
10 nmi18.52 km
11 nmi20.372 km
12 nmi22.224 km
13 nmi24.076 km
14 nmi25.928 km
15 nmi27.78 km
16 nmi29.632 km
17 nmi31.484 km
18 nmi33.336 km
19 nmi35.188 km
20 nmi37.04 km
25 nmi46.3 km
30 nmi55.56 km
40 nmi74.08 km
50 nmi92.6 km
60 nmi111.12 km
70 nmi129.64 km
75 nmi138.9 km
80 nmi148.16 km
90 nmi166.68 km
100 nmi185.2 km
120 nmi222.24 km
150 nmi277.8 km
200 nmi370.4 km
250 nmi463 km
300 nmi555.6 km
400 nmi740.8 km
500 nmi926 km
750 nmi1,389 km
1,000 nmi1,852 km
1,500 nmi2,778 km
2,000 nmi3,704 km
5,000 nmi9,260 km
10,000 nmi18,520 km

Questions

How many kilometers are in a nautical mile?

1.852 kilometers.

How do I convert nautical miles to kilometers in a spreadsheet?

Put the value in A1 and type =A1*1.852, then fill the formula down the column.

Are the values in the table exact?

They are calculated from the exact definitions of the units and rounded only for display. Open any row for the full working.