Nautical mile → Kilometer (nmi → km)

nmi to km direct conversion page with calculator, reverse conversion and comparison table.

1 nmi = 1.852 km
1 Nautical mile (nmi) = 1.852 Kilometer (km).


swap converter

If you want to reverse convert, use Kilometer → Nautical mile. 1 km = 0.53995680345572 nmi. You can also explore the full Length converter page for more cross conversions.

Conversion formula

Nautical mile to Kilometer formula: value in km = value in nmi × 1.852.

Kilometer to Nautical mile formula: value in nmi = value in km × 0.53995680345572.

How to convert Nautical mile to Kilometer

To convert Nautical mile to Kilometer, multiply the value in nmi by 1.852. This gives the result in km.

For example, 1 nmi = 1.852 km and 10 nmi = 18.52 km.

What is Nautical mile?

Nautical mile (nmi): A distance unit used in navigation at sea and in the air. It differs from a land mile; travelling one nautical mile per hour is one knot. 1 nmi = 1852 m.

What is Kilometer?

Kilometer (km): A thousand metres. It is used for road distances, journeys between cities and walking routes, avoiding very large numbers in centimetres. 1 km = 1000 m = 100000 cm.

FAQ

How many kilometer are in 1 nautical mile?

There are 1.852 km in 1 nmi.

Why can conversion results differ slightly?

Check the unit definition and rounding. US and imperial measures can differ; rounding intermediate values can also change the final digits.

How do I convert nautical mile to kilometer?

Multiply the value in nmi by 1.852 to get the value in km.

Nautical mile → other Length units

Nautical mile → Kilometer Table

The table below shows common values from Nautical mile to Kilometer and the reverse direction for quick reference.

nmikmRounded
1 nmi1.852 km1.8520
2 nmi3.704 km3.7040
3 nmi5.556 km5.5560
4 nmi7.408 km7.4080
5 nmi9.26 km9.2600
10 nmi18.52 km18.5200
12 nmi22.224 km22.2240
15 nmi27.78 km27.7800
20 nmi37.04 km37.0400
25 nmi46.3 km46.3000
30 nmi55.56 km55.5600
40 nmi74.08 km74.0800
50 nmi92.6 km92.6000
75 nmi138.9 km138.9000
100 nmi185.2 km185.2000
200 nmi370.4 km370.4000
250 nmi463 km463.0000
500 nmi926 km926.0000
750 nmi1389 km1389.0000
1000 nmi1852 km1852.0000
2500 nmi4630 km4630.0000
5000 nmi9260 km9260.0000
10000 nmi18520 km18520.0000

Kilometer → Nautical mile Table

kmnmiRounded
1 km0.53995680345572 nmi0.5400
2 km1.0799136069114 nmi1.0799
3 km1.6198704103672 nmi1.6199
4 km2.1598272138229 nmi2.1598
5 km2.6997840172786 nmi2.6998
10 km5.3995680345572 nmi5.3996
12 km6.4794816414687 nmi6.4795
15 km8.0993520518359 nmi8.0994
20 km10.799136069114 nmi10.7991
25 km13.498920086393 nmi13.4989
30 km16.198704103672 nmi16.1987
40 km21.598272138229 nmi21.5983
50 km26.997840172786 nmi26.9978
75 km40.496760259179 nmi40.4968
100 km53.995680345572 nmi53.9957
200 km107.99136069114 nmi107.9914
250 km134.98920086393 nmi134.9892
500 km269.97840172786 nmi269.9784
750 km404.96760259179 nmi404.9676
1000 km539.95680345572 nmi539.9568
2500 km1349.8920086393 nmi1349.8920
5000 km2699.7840172786 nmi2699.7840
10000 km5399.5680345572 nmi5399.5680

Kilometer → Nautical mile

The reverse value is 1 km = 0.53995680345572 nmi.