Miles per hour to knots converter

Convert miles per hour (mph) to knots (kn).

Speed converter

Instant conversion

Edit either value. Decimals and scientific notation supported.

From value

mph

From unit

To value

To unit

CONVERSION

1 mph ≈ 0.8689762419 kn

Display precision

Precision changes displayed rounding, not calculation accuracy.

FORMULAkn = mph × 0.868976241900648

FORMULA & EXAMPLES

How to convert Miles per hour to knots

kn = mph × 0.868976241900648

Multiply the mph reading by 0.868976241900648.

Worked examples

30 mph ≈ 26.06928726 kn

30 × 0.868976241900648 ≈ 26.06928726

60 mph ≈ 52.13857451 kn

60 × 0.868976241900648 ≈ 52.13857451

Frequently asked questions

What distance does a knot use?

One knot is one international nautical mile per hour, using 1,852 metres per nautical mile. Miles per hour uses the international statute mile of 1,609.344 metres.

Miles per hour to knots table

Fixed reference · Miles per hour to Knot

Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.

Miles per hour (mph)	Knot (kn)
0	0
0.1	0.08689762419
0.5	0.434488121
1	0.8689762419
2	1.737952484
5	4.34488121
10	8.689762419
25	21.72440605
50	43.4488121
100	86.89762419
1000	868.9762419

Table results use 10 significant figures; decimal formula coefficients use up to 15. Calculations use the unit definitions before rounding. Extra digits do not improve measurement accuracy.