What is 140 kmh to mph?

To convert a speed from kilometers per hour (km/h) to miles per hour (mph), you can use the conversion factor: 1 kilometer is approximately equal to 0.621371 miles. Therefore, to convert 140 km/h to mph, you can multiply 140 by 0.621371:

[ 140 , \text{km/h} \times 0.621371 , \frac{\text{miles}}{\text{km}} \approx 86.992 , \text{mph} ]

So, 140 km/h is approximately 87 mph.