Foot-pound (ft·lbf)
December 10, 2025
A foot-pound ft·lbf is a unit that measures how much work or energy is used when a force moves something through a distance in feet.
A foot-pound ft·lbf is a unit that measures how much work or energy is used when a force moves something through a distance in feet.
Foot per minute is a speed unit that tells how many feet something moves in one minute, so it helps you understand slow and medium speeds in a simple way.
Foot per hour is a very slow speed unit that tells how many feet something moves in one hour, useful for simple learning and a few special technical uses.
A fortnight is a time unit equal to two weeks, useful for understanding dates, pay periods, and schedules in many English speaking countries.
A femtosecond is a very tiny slice of time that helps scientists measure super fast events like light movement and chemical reactions.
A femtogram is a very small unit for measuring mass used in science, it helps describe the weight of extremely tiny things like viruses and single particles.
A fluid ounce UK is a small liquid unit used in Britain to measure drinks and other liquids, and it helps you know how much liquid fits in a container.
A femtoliter is a very tiny unit for measuring liquid volume that scientists use to describe things as small as cells and droplets inside your body.
A fathom is a unit used to measure water depth, equal to six feet, and it helps sailors, divers and fishers know how deep the water is.
The foot US survey is an old American length unit used in land maps and surveying, slightly longer than the international foot that most people use today.