Speed Conversion Chart

Printable speed conversion tables for the most-used conversions. Values are exact or rounded to 6 significant figures. Free to print and share with the credit line “Scientific Converters (scientificconverters.com)”.

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mile per hour to kilometer per hour

mile per hour to kilometer per hour conversion chart
mph	km/h
5	8.04672
10	16.0934
20	32.1869
25	40.2336
30	48.2803
40	64.3738
50	80.4672
55	88.5139
60	96.5606
65	104.607
70	112.654
75	120.701

kilometer per hour to mile per hour

kilometer per hour to mile per hour conversion chart
km/h	mph
10	6.21371
30	18.6411
40	24.8548
50	31.0686
60	37.2823
80	49.7097
90	55.9234
100	62.1371
110	68.3508
120	74.5645
130	80.7783

meter per second to kilometer per hour

meter per second to kilometer per hour conversion chart
m/s	km/h
1	3.6
2	7.2
5	18
10	36
15	54
20	72
25	90
30	108
50	180
100	360
343	1234.8

kilometer per hour to meter per second

kilometer per hour to meter per second conversion chart
km/h	m/s
10	2.77778
30	8.33333
40	11.1111
50	13.8889
60	16.6667
80	22.2222
90	25
100	27.7778
110	30.5556
120	33.3333
130	36.1111

knot to kilometer per hour

knot to kilometer per hour conversion chart
kn	km/h
1	1.852
5	9.26
10	18.52
15	27.78
20	37.04
25	46.3
30	55.56
50	92.6
100	185.2
250	463
500	926

knot to mile per hour

knot to mile per hour conversion chart
kn	mph
1	1.15078
5	5.7539
10	11.5078
15	17.2617
20	23.0156
25	28.7695
30	34.5234
50	57.539
100	115.078
250	287.695
500	575.39

Source: Scientific Converters (scientificconverters.com), data version 2026-10-15. Factors from NIST SP 811 and the BIPM SI Brochure. Licence: CC BY 4.0.