Miles per hour to kilometers per hour converter
Convertersconversion pair
Convert miles per hour to km/h instantly: 1 mph is 1.609 km/h. Speed limits, dashboards abroad and speed cameras, with the exact math.
70 mph is 113 km/h — the interstate and the highway, finally getting along.
work surface
Math, not advice — results are indicative. Read the disclaimer.
pro tips
Quick mental math: multiply by 1.6. 60 mph becomes about 96 km/h — close enough for any border crossing.
70 mph is 112.7 km/h — the number UK drivers respect and European drivers exceed.
30 mph is 48 km/h: the school zone, defended on both sides of the ocean.
what it does
The miles-per-hour-to-kilometers-per-hour trick runs the other way: multiply by 1.609344 and the km/h appear. It's what every American driver does the moment their rental car dashboard switches languages without asking permission.
It shows up wherever mph crosses into km/h territory: a US driver in Colombia watching the signs say 60 and privately deciding that's a suggestion, a bike trainer that reports speed in mph while the training plan insists on km/h, or watching a UK YouTuber do 70 on the M1 and needing to know that's 113 before forming an opinion.
The rough rule everyone uses on the road: multiply by 1.6. 60 becomes about 96, 70 becomes about 112, 35 becomes 56. The exact version below is for when the difference matters — and it matters most right before a camera flashes.
Type any number in mph and the widget answers in km/h instantly, with the math written in the hint and every other speed unit in the drawer on screen. Click the result to copy it, and hit swap to speak km/h to miles — the kilometers-per-hour-to-miles-per-hour version is always one click away.
quick answers
How many km/h is 60 mph?
96.56 km/h. The American highway in another language, plus a little.
Is miles per hour bigger than km/h?
Yes — one mile is 1.609 km, so any speed in mph is bigger than the same trip counted in km/h. 100 km/h is only 62 mph, but 100 mph is 161 km/h.
How do I convert mph to km/h quickly?
Multiply by 1.6. It's the driver's shortcut, accurate to a few km/h and immortal.
Why do some cars show both?
Export models show both speedometer scales so the dashboard can survive a border without a pep talk.