Convert 18 knots to mph

"Knots to mph" Calculator

How many mph is 18 knots?

Answer

18 knots ≈ 20.71 mph

18 knots × 1,852 ÷ 1,609.344 ≈ 20.71 mph

1,852 m in a nautical mile; 1,609.344 m in a mile

See Also

Miles per Hour to Kilometers per Hour - Convert Miles per Hour to Kilometers per Hour
Kilometers per Hour to Miles per Hour - Convert Kilometers per Hour to Miles per Hour
M/S to KM/H - Convert M/S to KM/H
KM/H to M/S - Convert KM/H to M/S
Knots to Km/h - Convert Knots to Km/h
Km/h to Knots - Convert Km/h to Knots
Miles per Hour to Meters per Second - Convert Miles per Hour to Meters per Second
Meters per Second to Miles per Hour - Convert Meters per Second to Miles per Hour
mph to Knots - Convert mph to Knots
Knots to m/s - Convert Knots to m/s
m/s to Knots - Convert m/s to Knots

Recalculate with different values ↑

Knots to mph conversion table

Knots	mph
3 knots	3.45 mph
4 knots	4.6 mph
5 knots	5.75 mph
6 knots	6.9 mph
7 knots	8.06 mph
8 knots	9.21 mph
9 knots	10.36 mph
10 knots	11.51 mph
11 knots	12.66 mph
12 knots	13.81 mph
13 knots	14.96 mph
14 knots	16.11 mph
15 knots	17.26 mph
16 knots	18.41 mph
17 knots	19.56 mph
18 knots	20.71 mph
19 knots	21.86 mph
20 knots	23.02 mph
21 knots	24.17 mph
22 knots	25.32 mph
23 knots	26.47 mph
24 knots	27.62 mph
25 knots	28.77 mph
26 knots	29.92 mph
27 knots	31.07 mph
28 knots	32.22 mph
29 knots	33.37 mph
30 knots	34.52 mph
31 knots	35.67 mph
32 knots	36.82 mph

FAQ

How many mph is 18 knots?

18 knots ≈ 20.71 mph

What is the formula to convert knots to mph?

Multiply the knots by 1,852 and divide by 1,609.344: mph = knots × 1,852 ÷ 1,609.344 ≈ knots × 1.15078. For this page: 18 knots × 1,852 ÷ 1,609.344 ≈ 20.71 mph.

What is 18 knots in km/h?

18 knots × 1.852 = 33.336 km/h, because 1 knot = 1.852 km/h exactly.

How do I convert 20.71 mph back to knots?

Multiply by 1,609.344 and divide by 1,852: 20.71 mph × 1,609.344 ÷ 1,852 ≈ 18 knots.