Meters (m)
The meter is the SI base unit of length defined by the distance light travels in vacuum in 1/299,792,458 seconds. It provides a precise universal standard for length measurement in science, engineering, and daily life [bipm-si-brochure].
Origin
The meter was first defined in 1793 as one ten-millionth of the distance from the equator to the North Pole. It was redefined in 1983 by the CGPM to be based on the speed of light for improved accuracy [bipm-si-brochure].
Worldwide Use
Meters are used globally as the primary length unit in the SI system. Applications include construction, manufacturing, and national standards among nearly all countries except a few using customary units alongside SI [nist-si-guide].
Common References
- A standard doorway is about 2 meters tall
- An Olympic swimming pool is 50 meters long
- A car is typically around 4 to 5 meters in length
- Height of an average adult is approximately 1.7 meters
- A football field is about 100 meters long excluding end zones
Meters → Kilometers1 m = 0.001 kmMeters → Centimeters1 m = 100 cmMeters → Millimeters1 m = 1,000 mmMeters → Micrometers1 m = 1,000,000 µmMeters → Nanometers1 m = 1,000,000,000 nmMeters → Miles1 m = 0.0006 miMeters → Yards1 m = 1.0936 ydMeters → Feet1 m = 3.2808 ftMeters → Inches1 m = 39.3701 inMeters → Nautical Miles1 m = 0.0005 nmiMeters → Fathoms1 m = 0.5468 ftmMeters → Furlongs1 m = 0.005 furMeters → Light Years1 m = 0 lyMeters → Astronomical Units1 m = 0 auMeters → Parsecs1 m = 0 pcMeters → Decimeters1 m = 10 dmMeters → Hectometers1 m = 0.01 hmMeters → Megameters1 m = 0 MmMeters → Gigameters1 m = 0 GmMeters → Chains1 m = 0.0497 chMeters → Rods1 m = 0.1988 rdMeters → Thou (Mils)1 m = 39,370.0787 thMeters → Picometers1 m = 1,000,000,000,000 pm