The furlong equals 201.168 meters or 1/8 of a statute mile. It originated as the length of a medieval English plough furrow โ "furrow long". Today it survives mainly in horse racing in the UK, Ireland and North America, where race distances are typically 5 to 12 furlongs.
Real-world: The Epsom Derby is run over 1 mile and 4 furlongs (about 2.4 km). The Kentucky Derby is 10 furlongs.
Read full furlong reference โThe meter is the base SI unit of length. It was first defined in 1793 as one ten-millionth of the distance from the equator to the North Pole through Paris. Today it is defined as the distance light travels in vacuum in 1/299,792,458 of a second โ a definition tied directly to the universal speed of light. The meter is the foundation of the metric system used by 95% of the world.
Real-world: A standard door is about 2 metres tall. An Olympic swimming pool is exactly 50 metres long. The Eiffel Tower is 330 metres tall.
Read full meter reference โ