Conversion from customary to metric units (in alphabetical order).

Transcription

1 316 Conversion Factors Conversion from customary to metric units (in alphabetical order). acre ac m ha (hectare) acre-foot ac-ft 1233 m 3 atmosphere atm kpa (kilopascal) bar bar kpa British thermal unit Btu kj (kilojoule) British thermal units per cubic foot Btu/cu ft kj/m 3 British thermal units per gallon Btu/gal kj/m kj/l British thermal units per hour Btu/hr W (watt) British thermal units per hour per square foot Btu/hr/sq ft J/m 2 s British thermal units per pound Btu/lb kj/kg British thermal units per ton Btu/ton J/kg calorie international cal J (joule) 15 C J 20 C J calories per second cal/sec W centipoise cp Pa s cubic feet per gallon cu ft/gal m 3 /m m 3 /L cubic feet per hour cfh or cu ft/hr m 3 /s L/s cubic feet per hour per square foot cfh/sq ft m 3 /m 2 s L/m 2 h cubic feet per million gallons cu ft/mil. gal ml/m 3 cubic feet per minute cfm or cu ft/min m 3 /s L/s cubic feet per minute per foot cfm/ft L/m s cubic feet per minute per thousand cubic feet cfm/1000 cu ft L/m 3 s cubic feet per minute per thousand gallons cfm/1000 gal L/m 3 s cubic feet per pound cu ft/lb m 3 /kg cubic feet per second cfs m 3 /s L/s cubic feet per second per acre cfs/ac m 3 /m 2 s L/ha s cubic feet per second per square mile cfs/sq mile m 3 /m 2 s L/ha s cubic foot cu ft m L cubic inch cu in m ml

2 Conversion Factors 317 cubic yard cu yd m 3 degrees Fahrenheit F ( F 32) C (degrees Celsius) Rankine R K (Kelvin) feet of head ft m feet per hour ft/hr m/s feet per minute ft/min or fpm mm/s feet per second ft/sec or fps m/s feet per second squared ft/sec m/s 2 feet per year ft/yr m/a (meters per annum) foot ft m foot-head ft-head 2989 Pa foot-pound ft-lb N m foot-pounds per inch ft-lb/in J/m foot-pounds per minute ft-lb/min W foot-pounds per second ft-lb/sec W gallon gal m L gallons per day gpd L/s m 3 /d gallons per day per acre gpd/ac m 3 /m 2 s L/m 2 s L/ha d gallons per day per capita gpd/cap L/cap d gallons per day per linear foot gpd/ft m 3 /m s L/m s m 3 /m d gallons per day per foot of manhole diameter gpd/ft/ft-head (ml/m d)/m per foot-head gallons per day per inch of diameter per mile gpd/in. dia/mile (ml/m d)/m gallons per day per mile gpd/mile m 3 /m s ml/m d gallons per day per square foot gpd/sq ft m 3 /m 2 s or m/s m 3 /m 2 d or m/d L/m 2 d gallons per day per thousand square feet gpd/1000 sq ft L/m 2 d gallons per hour gph m 3 /s ml/s gallons per hour per foot of diameter per foot-head gph/ft dia/ft-head (ml/m s)/m gallons per hour per inch diameter per thousand feet gph/in. dia/1000 ft (ml/m h)/m gallons per million gallons gal/mil. gal ml/m 3 gallons per minute gpm m 3 /s L/s m 3 /d gallons per minute per acre gpm/ac L/ha s gallons per minute per cubic foot gpm/cu ft L/m 3 s

3 318 Conversion Factors Conversion from customary to metric units (in alphabetical order) (continued). gallons per minute per foot gpm/ft m 3 /m s L/m s gallons per minute per square foot gpm/sq ft m/m s L/m 2 s m 3 /m 2 d gallons per pound gal/lb 8344 ml/kg gallons per ton gal/ton ml/kg grain gr mg grains per gallon gr/gal g/m mg/l hectare ha m 2 horsepower hp kw horsepower-hour hp-hr MJ horsepower-hours per pound hp-hr/lb MJ/kg horsepower-hours per thousand cubic feet hp-hr/1000 cu ft W/m 3 horsepower-hours per thousand gallons hp-hr/1000 gal kj/l horsepower-hours per thousand pounds hp-hr/1000 lb kj/kg horsepower per gallon per minute hp/gpm MJ/m kj/l horsepower per million gallons hp/mil. gal W/m W/L horsepower per thousand gallons hp/1000 gal kw/m 3 inch in mm inches of water in. H 2 O kpa inches of mercury in. Hg kpa inches per foot in./ft % inches per hour in./hr mm/h inches per year in./yr mm/a (millimeters per annum) kilowatt-hour kwh MJ kilowatt-hours per day kwh/d W kilowatt-hours per gallon kwh/gal MJ/m MJ/L kilowatt-hours per million gallons kwh/mil. gal J/m J/L kilowatt-hours per pound kwh/lb MJ/kg kilowatt-hours per thousand pounds kwh/1000 lb kj/kg kilowatt-hours per ton kwh/ton kj/kg kip kip kn (kilonewton) kip-feet kip-ft kn m kip-feet per second kip-ft/sec kn m/s kips per foot kip/ft kn/m kips per square foot kip/sq ft kpa

4 Conversion Factors 319 micron m mil mil m mile mile km miles per hour mph m/s km/h million gallons mil. gal m ML million gallons per day mgd m 3 /s L/s m 3 /d ML/d million gallons per day per acre mgd/ac m 3 /m 2 s m 3 /ha d ML/ha d most probable number per hundred milliliters MPN/100 ml MPN/L parts per billion ppb 1.00 (app.) g/l g/kg parts per million ppm 1.00 (app.) mg/l mg/kg pound (force) lbf N pound (mass) lb kg pound-foot lb-ft N m pound-feet per second lb-ft/sec N m/s pounds per day per capita lb/d/cap kg/cap d pounds per cubic foot lb/cu ft kg/m 3 pounds per thousand cubic feet lb/1000 cu ft g/m 3 pounds per cubic yard lb/cu yd kg/m 3 pounds per day lb/d mg/s kg/d pounds per day per acre lb/d/ac g/m 2 d pounds per day per acre-foot lb/d/ac-ft g/m 3 d pounds per day per cubic foot lb/d/cu ft kg/m 3 d pounds per day per pound lb/d/lb mg/kg s pounds per day per square foot lb/d/sq ft mg/m 2 s kg/m 2 d pounds per day per thousand cubic feet lb/d/1000 cu ft kg/m 3 d pounds per day per thousand square feet lb/d/1000 sq ft g/m 2 d pounds per foot lb/ft kg/m pounds per foot per foot of diameter lb/ft/ft dia (N/m)/m pounds per gallon lb/gal kg/l pounds per hour lb/hr kg/s kg/h pounds per hour per square foot lb/hr/sq ft kg/m 2 h g/m 2 s

5 320 Conversion Factors Conversion from customary to metric units (in alphabetical order) (continued). pounds per hour per cubic foot lb/hr/cu ft kg/l s kg/m 3 h pounds per million gallons lb/mil. gal g/m mg/l pounds per pound lb/lb 1000 g/kg pounds per square foot (mass dose) lb/sq ft kg/m 2 pounds per square foot (force) lb/sq ft Pa pounds per square inch (force) psi 6895 Pa pounds per thousand cubic feet lb/1000 cu ft g/m 3 pounds per thousand gallons lb/1000 gal g/m 3 pounds per ton lb/ton g/kg pounds per year per acre lb/yr/ac kg/ha a pounds per year per cubic foot lb/yr/cu ft kg/m 3 a pounds per year per square foot lb/yr/sq ft kg/m 2 a pound-seconds per square foot lb-sec/sq ft Pa s pound-square feet per second lb-sq ft/sec kg m 2 /s revolutions per minute rpm r/min revolutions per second rps r/s slug slug kg square foot sq ft m 2 square feet per capita sq ft/cap m 2 /cap square feet per cubic foot sq ft/cu ft m 2 /m 3 square feet per foot sq ft/ft m 2 /m square feet per second sq ft/sec m 2 /s square inch sq in mm 2 square mile sq mile km 2 square yard sq yd m 2 ton (long) ton Mg ton (short) ton Mg kg tons per acre ton/ac kg/m Mg/ha tons per cubic yard ton/cu yd Mg/m 3 watt-hour W-hr J watts per square foot W/sq ft W/m 2 yard yd m