|≈||approximately equal to|
|digits||indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …)|
Yard per minute (abbreviated mph, YDPM or yd/m) is an imperial and United States customary unit of speed expressing the number of statute yards covered in one minute.
The kilometre per hour (American English: kilometer per hour) is a unit of speed, expressing the number of kilometres travelled in one hour.