miles per hour (mph)

at the rate of x miles an hour

H-hour (H hour)

hour-to-hour (administrative) plan

kilometers per hour (kph)

standard cubic feet per hour

fuel consumption per hour

fifty-per-cent zone in per cent of the range

hundred-per-cent zone (one-hundred-per-cent zone)

carbon miles

A-hour

F-hour

hour angle

L-hour

P-hour

Y-hour

Z-hour

A hour

zero hour

combat flying hour

milliamp hour (mAh)

P hour

parachute hour

S hour

meters per second (m/s)

per diem

rounds per man

rounds per minute (r.p.m.)

vehicles per kilometer

probable error in range (PER)

floating-point operation per second (FLOP)

outdoor air intake per person

cargo space per inch of wheel base