Feet per second to knots

knots = feet per second × 0.5924838

How to convert feet per second to knots

One foot per second is 0.5924838 knots, so multiply the number of feet per second by 0.5924838. For example, 20 feet per second is 20 × 0.5924838 = 11.849676 knots. To go back, divide by the same number, or multiply by 1.68781.

Quick estimate

Multiplying by about 0.6 gets within 1.3% of the exact answer, which is enough to check that a result makes sense.

Where it comes up

Speed conversions come up when driving abroad, in running and cycling paces, weather and wind reports, and sailing and flying.

feet per second	knots
1 fps	0.5924838 kn
2 fps	1.184968 kn
3 fps	1.777451 kn
4 fps	2.369935 kn
5 fps	2.962419 kn
6 fps	3.554903 kn
7 fps	4.147387 kn
8 fps	4.73987 kn
9 fps	5.332354 kn
10 fps	5.924838 kn
11 fps	6.517322 kn
12 fps	7.109806 kn
13 fps	7.702289 kn
14 fps	8.294773 kn
15 fps	8.887257 kn
16 fps	9.479741 kn
17 fps	10.072225 kn
18 fps	10.664708 kn
19 fps	11.257192 kn
20 fps	11.849676 kn
25 fps	14.812095 kn
30 fps	17.774514 kn
40 fps	23.699352 kn
50 fps	29.62419 kn
60 fps	35.549028 kn
70 fps	41.473866 kn
75 fps	44.436285 kn
80 fps	47.398704 kn
90 fps	53.323542 kn
100 fps	59.24838 kn
120 fps	71.098056 kn
150 fps	88.87257 kn
200 fps	118.49676 kn
250 fps	148.12095 kn
300 fps	177.74514 kn
400 fps	236.993521 kn
500 fps	296.241901 kn
750 fps	444.362851 kn
1,000 fps	592.483801 kn
1,500 fps	888.725702 kn
2,000 fps	1,184.97 kn
5,000 fps	2,962.42 kn
10,000 fps	5,924.84 kn

Questions

How many knots are in a foot per second?

0.5924838 knots.

How do I convert feet per second to knots in a spreadsheet?

Put the value in A1 and type =A1*0.5924838, 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.