kilogram per second kg s-1 kilogram per minute kg min-1 kilogram per hour kg hr-1 gram per second g s-1 gram per minute g min-1 gram per hour g hr-1 pound per second lb s-1 pound per minute lb min-1 pound per hour lb h-1 ton (long UK) per hour tn h-1 ton (short US) per hour tn h-1 tonne per hour t h-1