How do you convert nautical miles to kilometers?

To convert nautical miles to kilometers, multiply by 1.852. For example, 21 nmi is 38.892 km.

How many kilometers are in a nautical mile?

There are 1.852 kilometers in one nautical mile.

dietsoda tools

All tools Sign in

Converters · Length

21 Nautical miles to Kilometers

21 nmi =

38.892 km

21 nautical miles equals 38.892 kilometers

How to convert nautical miles to kilometers

To get kilometers, multiply by 1.852.

km = nmi × 1.852

Worked example: 21 × 1.852 = 38.892 km.

Going the other way, multiply by 0.5399568035 — one kilometer is 0.5399568035 nautical miles.

Values near 21 nmi

Nautical mile	Kilometer
10.5 nmi	19.446 km
19 nmi	35.188 km
20 nmi	37.04 km
22 nmi	40.744 km
23 nmi	42.596 km
42 nmi	77.784 km

Nautical mile to Kilometer — common values

Nautical mile	Kilometer
1 nmi	1.852 km
2 nmi	3.704 km
3 nmi	5.556 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

Convert Nautical mile to other units

nmi → m nmi → km nmi → cm nmi → mm nmi → mi nmi → yd nmi → ft nmi → in

← Reverse: Kilometer to Nautical mile

Questions

How do you convert nautical miles to kilometers?: To convert nautical miles to kilometers, multiply by 1.852. For example, 21 nmi is 38.892 km.
How many kilometers are in a nautical mile?: There are 1.852 kilometers in one nautical mile.
How do you convert kilometers back to nautical miles?: Go the other way: multiply by 0.5399568035. One kilometer is 0.5399568035 nautical miles.

Embed this length converter

Paste this into your site — an interactive converter, free.

<iframe src="https://tools.dietsoda.dev/embed/length" width="100%" height="180" style="border:1px solid #e2e8f0;border-radius:12px" title="Length converter"></iframe>