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Mph to Knots Converter.

Convert mph to knots instantly with this free calculator. 1 knot = 1.15078 mph.

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Reference Table

km/h	mph	m/s	ft/s	kn
0.1609344	0.1	0.044704	0.1466666667	0.0868976993
1.609344	1	0.44704	1.466667	0.8689769926
16.09344	10	4.4704	14.666667	8.68977
160.9344	100	44.704	146.666667	86.897699
1609.344	1000	447.04	1466.6667	868.976993
16093.44	10000	4470.4	14666.6667	8689.7699
160934.4	100000	44704	146666.6667	86897.6993

How to convert mph to knots

Formula. knots = mph ÷ 1.15078.

Relationship. 1 knot = 1.15078 mph.

Worked example. 100 mph = 86.897699 kn.

mph to knots conversion table

mph	kn
1	0.8689769926
5	4.344885
10	8.68977
15	13.034655
20	17.37954
25	21.724425
30	26.06931
35	30.414195
40	34.75908
50	43.44885
60	52.13862
70	60.828389
74	64.304297
80	69.518159
90	78.207929
100	86.897699
120	104.277239
130	112.967009
150	130.346549
157	136.429388
175	152.070974
200	173.795399
250	217.244248
300	260.693098
500	434.488496

FAQ

Frequently Asked Questions

How do I convert mph to knots?

Divide by 1.15078. For example, 100 mph ÷ 1.15078 ≈ 86.9 knots.

How many knots is 60 mph?

About 52.1 knots. A rough mental rule: knots are roughly 87% of the mph figure.

Is a knot faster than a mile per hour?

Yes, slightly. One knot is 1.15 mph, because a nautical mile (1,852 m) is longer than a statute mile (1,609 m). Saying "knots per hour" is a common error — the "per hour" is already inside the word.

What speed do aircraft cruise at in knots?

A typical airliner cruises around 450–500 knots of true airspeed, which is roughly 520–575 mph. Small propeller aircraft cruise nearer 100–150 knots.

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