Convert 1 Mile per Hour to Kilometers per Hour

How fast is 1 mile per hour? What is 1 mile per hour in kilometers per hour? 1 mph to km/h conversion.

From

Centimeters per Second
Feet per Second
Kilometers per Hour
Knots
Mach
Meters per Second
Miles per Hour

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Amount

1 Mile per Hour =
1.609344 Kilometers per Hour
(exact result)

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Number
Fraction (exact value)

A mile per hour is a unit of speed commonly used in the United States. It is equal to exactly 1.609344 kilometers per hour.

A kilometer per hour is a unit of speed. Something traveling at one kilometer per hour is traveling about 0.278 meters per second, or about 0.621 miles per hour.

Miles per Hour to Kilometers per Hour Conversions
(some results rounded)

mph	km/h
1.00	1.6093
1.01	1.6254
1.02	1.6415
1.03	1.6576
1.04	1.6737
1.05	1.6898
1.06	1.7059
1.07	1.7220
1.08	1.7381
1.09	1.7542
1.10	1.7703
1.11	1.7864
1.12	1.8025
1.13	1.8186
1.14	1.8347
1.15	1.8507
1.16	1.8668
1.17	1.8829
1.18	1.8990
1.19	1.9151
1.20	1.9312
1.21	1.9473
1.22	1.9634
1.23	1.9795
1.24	1.9956

mph	km/h
1.25	2.0117
1.26	2.0278
1.27	2.0439
1.28	2.0600
1.29	2.0761
1.30	2.0921
1.31	2.1082
1.32	2.1243
1.33	2.1404
1.34	2.1565
1.35	2.1726
1.36	2.1887
1.37	2.2048
1.38	2.2209
1.39	2.2370
1.40	2.2531
1.41	2.2692
1.42	2.2853
1.43	2.3014
1.44	2.3175
1.45	2.3335
1.46	2.3496
1.47	2.3657
1.48	2.3818
1.49	2.3979

mph	km/h
1.50	2.4140
1.51	2.4301
1.52	2.4462
1.53	2.4623
1.54	2.4784
1.55	2.4945
1.56	2.5106
1.57	2.5267
1.58	2.5428
1.59	2.5589
1.60	2.5750
1.61	2.5910
1.62	2.6071
1.63	2.6232
1.64	2.6393
1.65	2.6554
1.66	2.6715
1.67	2.6876
1.68	2.7037
1.69	2.7198
1.70	2.7359
1.71	2.7520
1.72	2.7681
1.73	2.7842
1.74	2.8003

mph	km/h
1.75	2.8164
1.76	2.8324
1.77	2.8485
1.78	2.8646
1.79	2.8807
1.80	2.8968
1.81	2.9129
1.82	2.9290
1.83	2.9451
1.84	2.9612
1.85	2.9773
1.86	2.9934
1.87	3.0095
1.88	3.0256
1.89	3.0417
1.90	3.0578
1.91	3.0738
1.92	3.0899
1.93	3.1060
1.94	3.1221
1.95	3.1382
1.96	3.1543
1.97	3.1704
1.98	3.1865
1.99	3.2026