Page:U.S. Government Printing Office Style Manual 2008.djvu/265

Abbreviations and Letter Symbols


 * in²—square inch
 * in³—cubic inch
 * in/h—inch per hour
 * inH₂O—conventional inch of water
 * inHg—conventional inch of mercury
 * in-lb—inch-pound
 * in/s—inch per second
 * J—joule
 * J/K—joule per kelvin
 * K—kayser
 * K—kelvin (use without degree symbol)
 * k—kilo (prefix, 1,000)
 * k—thousand (7k=7,000)
 * kc—kilocycle; see also kHz (kilohertz), kilocycles per second
 * kcal—kilocalory
 * keV—kiloelectronvolt
 * kG—kilogauss
 * kg—kilogram
 * kgf—kilogram-force
 * kHz—kilohertz (kilocycles per second)
 * kL—kiloliter
 * klbf—kilopound-force
 * km—kilometer
 * km²—square kilometer
 * km³—cubic kilometer
 * km/h—kilometer per hour
 * kn—knot (speed)
 * kfl—kilohm
 * kt—kiloton; carat
 * kV—kilovolt
 * kVA—kilovoltampere
 * kvar—kilovar
 * kW—kilowatt
 * kWh—kilowatthour
 * L—lambert
 * L—liter
 * lb—pound
 * lb ap—apothecary pound
 * lb—avdp, avoirdupois pound
 * lbf—pound-force
 * lbf/ft—pound-force foot
 * lbf/ft²—pound-force per square foot
 * lbf/ft³—pound-force per cubic foot
 * lbf/in²—pound-force per square inch (see psi)
 * lb/ft—pound per foot
 * lb/ft²—pound per square foot
 * lb/ft³—pound per cubic foot
 * let—long calcined ton
 * ldt—long dry ton
 * LF—low frequency
 * lin ft—linear foot
 * l/m—lines per minute
 * lm—lumen
 * lm/ft²—lumen per square foot
 * lm/m²—lumen per square meter
 * lms—lumen second
 * lm/W—lumen per watt
 * l/s—lines per second
 * L/s—liter per second
 * lx—lux
 * M—mega (prefix, 1 million)
 * M—million (3M=3 million)
 * m—meter
 * m—milli (prefix, one-thousandth)
 * Ml—monetary aggregate
 * m²—square meter
 * m³—cubic meter
 * μ—micro (prefix, one-millionth)
 * μm—micrometer
 * mA—milliampere
 * μA—microampere
 * MB—megabyte
 * mbar—millibar
 * μbar—microbar
 * Mc—megacycle; see also MHz (megahertz), megacycles per second
 * mc—millicycle; see also mHz (millihertz), millicycles per second
 * mD—millidarcy
 * meq—milliquivalent
 * MeV—megaelectronvolts
 * mF—millifarad
 * μF—microfarad