Miles Per Hour to Kilometres Per Hour Conversion
Speed conversions between miles per hour (mph) and kilometres per hour (kph) are usually used for calculating speed limits when driving abroad, espcially for UK and US drivers. Other abbreviations that are sometimes used for miles per hour include m/h and mi/h. Other abbreviations that are occasionally used for kilometres per hour include kmph, k/h and km/h.
The conversion table, below, offers a quick lookup to convert miles per hour to kilometres per hour for commonly sought values or you can use our quick converter utility above.
Miles Per Hour to Kilometres Per Hour Conversion Table
| Miles Per Hour | 1 | 5 | 10 | 20 | 25 | 30 | 40 | 50 | 55 | 60 | 70 | 80 | 90 | 100 | 120 | 150 |
| Kilometres Per Hour | 1.61 | 8.05 | 16.09 | 32.19 | 40.23 | 48.28 | 64.37 | 80.47 | 88.51 | 96.56 | 112.65 | 128.75 | 144.84 | 160.93 | 193.12 | 241.40 |
The following conversion table offers a quick lookup to convert kilometres per hour to miles per hour for commonly sought values.
Kilometres Per Hour to Miles Per Hour Conversion Table
| Kilometres Per Hour | 1 | 5 | 10 | 20 | 25 | 30 | 40 | 50 | 55 | 60 | 70 | 80 | 90 | 100 | 110 | 130 |
| Miles Per Hour | 0.62 | 3.11 | 6.21 | 12.43 | 15.53 | 18.64 | 24.85 | 31.07 | 34.18 | 37.28 | 43.50 | 49.71 | 55.92 | 62.13 | 68.35 | 80.78 |
Conversion Formulae
Miles Per Hour to Kilometres Per Hour Conversion Formula
The conversion formula for miles to kilometres is quite simple:
1 mph = 1.609344 kph
Kilometres Per Hour to Miles Per Hour Conversion Formula
The conversion formula for kph to mph is just the reciprocal of the miles to kilometres formula:
1 kilometre = 0.621371192 miles
Countries Using Miles Per Hour
The following countries use mph as their standard speed measurement:
United States, Liberia, Myanmar all use mph as their official standard and the United Kingdom, although officially using the metric system, still uses miles per hour for speed limits and on road signs.
Countries Using Kilometres Per Hour
The rest of the world uses kilometres per hour, including the former British colonies such as Australia, New Zealand and Canada.
More Motoring Conversions
The following conversios to help you convert motoring related units from US & UK figures (miles, miles per gallon) to International and European figures (kilometres, kilometres per litre):
Distance Conversion
Fuel Economy Conversion
Miles Per Gallon to Kilometres Per Litre
Miles Per Gallon to Litres Per 100km
Miles Per US Gallon to Miles Per UK Gallon
Miles Per Gallon to Miles Per Litre
Miles Per Gallon to Kilometres Per Gallon