常见单位转换关系式.docx

常见单位转换关系式.docx

《常见单位转换关系式.docx》由会员分享，可在线阅读，更多相关《常见单位转换关系式.docx（13页珍藏版）》请在冰豆网上搜索。

常见单位转换关系式

常见单位转换关系式

发布:

2008-12-1410:

51|作者:

llljq|来源:

管道与设备技术网

[url=]Acceleration[/url]foot/second2,meter/second2,gal,galileo,inch/second2

∙1m/s2=3.28084ft/s2=100cm/s2=39.37inchpersecondsquared（inch/s2）

∙1ft/s2=0.3048m/s2=30.48cm/s2

∙1g=9.80665m/s2=32.17405ft/s2

[url=]Area[/url]acre,are,barn,sq.ft.,sq.in.,foot2,hectare,inch2,mile2,section,meter2,township,yard2,hectares

∙1m2=1550in2=10.764ft2=1.1968yd2=3.861x10-7mile2

∙1ft2=0.0929m2=144in2=0,1111yd2=3.587x10-8mile2

∙1in2=6.452cm2=6.452x10-4m2=6.944x10-3ft2=7.716x10-4yd2=2.491x10-10mile2

∙1yd2=0.8361m2=1,296in2=9ft2=0.3228x10-6mile2

∙1mile2=2.590x106m2=0.4015x1010in2=2.788x107ft2=3.098x106yd2=640Acres

∙1acre=1/640mile2=0.404686ha（Hectares）=4,046.86m2=43,560Sq.Ft.=4840Sq.Yds.

∙1km2=102ha2=106m2=1010cm2=1012mm2

∙1ha（Hectare）=104m2=108cm2=1010mm2=2.471Acres

∙1cm2=10-4m2=0.155in2

∙1mm2=1.55x10-3in2

∙1township=9.323957107m2

∙1section=2.589106m2

[url=]Density[/url]kg/cubicmeter,gram/centimeter3,lmb/cubicinch,lbm/cubicfoot,slug/cubicfoot,kilogram/cubicmeter,lbm/gallon（USliq）

∙DensityWater1,000kg/m3=62.43Lbs./Cu.Ft=8.33Lbs./Gal.=0.1337Cu.Ft./Gal.

∙1lb/ft3=16.018kg/m3=0.016g/cm3=0.00926oz/in3=2.57oz/gal（Imperial）=2.139oz/gal（U.S.）=0.0005787lb/in3=27lb/yd3=0.161lb/gal（Imperial）=0.134lb/gal（U.S）=0.0121ton/yd3

∙1slug/ft3=515.379kg/m3

∙1kg/l=62.43lb/ft3

∙1kg/m3=0.001g/cm3=0.0005780oz/in3=0.16036oz/gal（Imperial）=0.1335oz/gal（U.S.）=0.0624lb/ft3=0.000036127lb/in3=1.6856lb/yd3=0.010022lb/gal（Imperial）=0.008345lb/gal（U.S）=0.0007525ton/yd3

[url=]Energy[/url]BritishThermalUnit（Btu）,calorie,joule,kilojoule,electronvolt,erg,footlbf,footpoundal,kilocalorie,kilowatthour,watthour,

∙1J（Joule）=0,1020kpm=2.778x10-7kWh=2.389x10-4kcal=0.7376ftlbf=1（kgm2）/s2=1wattsecond=1Nm=1ftlb=9.478x10-4Btu

∙1kpm=9.80665J=2.724x10-6kWh=2.342x10-3kcal=7.233ftlbf=9.295x10-3Btu

∙1kWh=3.6x106J=3.671x105kpm=859.9kcal=2.656x106ftlbf=3.412x103Btu

∙1kJ=1kNm=1kWs=103J=0.947813Btu=737.6ftlbf=0.23884kcal

∙1Btu（Britishthermalunit）=1,055.06J=107.6kpm=2.931x10-4kWh=0.252kcal=778.16ftlbf=1.055x1010ergs=252cal=0.293watthour

∙1cal=4.186J

∙1kcal=4186,8J=426,9kpm=1.163x10-3kWh=3.088ftlbf=3.9683Btu=1,000cal

∙1ftlbf（footpoundforce）=1.3558J=0.1383kpm=3.766x10-7kWh=3.238x10-4kcal=1.285x10-3Btu

∙1hph（horsepowerhour）=2.6846x106J=0.7457kWh

∙1erg=1（gcm2）/s2=10-7J

∙1eV=1.602x10-19J

∙1Q=1018Btu=1.055x1021J

∙1Quad=1015Btu

∙1kgm=7.233ftlb=0.00929Btu=9.806Joule

[url=]Energyperunitmass[/url]

∙1kJ/kg=1J/g=0.4299Btu/lbm=0.23884kcal/kg

[url=]Flow[/url]-seeVolumeflow[url=]Force[/url]dyne,kilogramforce（kgf）,kilopoundforce,kip,lbf（poundforce）,ounceforce（avoirdupois）,poundal,newton

∙1N（Newton）=0.1020kp=7.233pdl=7.233/32.174lbf=0.2248lbf=1（kgm）/s2=105dyn=1/9.80665kgf

∙1lbf（Poundforce）=4.44822N=0.4536kp=32.17pdl=4.448x105dyn

∙1dyn=1（gcm）/s2

∙1kghasaweightof1kp

∙1kp（Kilopond）=9.80665N=2.205lbf=70.93pdl

∙1pdl（Poundal）=0.13826N=0.01409kp=0.03108lbf

[url=]Heatflowrate[/url]

∙1Btu/sec=1,055.1W

∙1kW（kJ/s）=102.0kpm/s=859.9kcal/h=3,413Btu/h=1.360hk=1.341hp=738ftlb/s=1,000J/s=3.6x106J/h

∙1kpm/s=9.8067x10-3kW=8.432kcal/h=32.47Btu/h=0.01333hk=0.01316hp=7.237ftlb/s

∙1kcal/h=1.163x10-3kW=0.1186kpm/s=3.969Btu/h=1.582x10-3hk=1.560x10-3hp=0.8583ftlb/s

∙1Btu/h=2.931x10-4kW=0.0299kpm/s=0.252kcal/h=3.986x10-4hk=3.939x10-4hp=0.2163ftlb/s

∙1kcal/h=1.16x10-3kW

∙1hk（metrichorsepower）=0.735499kW=75.00kpm/s=632.5kcal/h=2,510Btu/h=0.9863hp=542.8ftlb/s

∙1hp=0.74570kW=76.04kpm/s=641.2kcal/h=2,545Btu/h=1.014hk=550.3ftlb/s

∙1ftlb/s=1.35501kW=0.1382kpm/s=1.165kcal/h=4.625Btu/h=1.843x10-3hk=1.817x10-3hp

[url=]Heatflux[/url]

∙1Btu/ft2=2.713kcal/m2=2.043x104J/m2K

∙1Btu/ft2h=3.1525W/m2

∙1Btu/ft2oF=4.88kcal/m2K=2.043x104J/m2K

∙1kcal/m2=0.369Btu/ft2

∙1kcal/m2K=0.205Btu/ft2oF

[url=]Heatgenerationperunitvolume[/url]

∙1Btu/ft3=8.9kcal/m3=3.73x104J/m3

∙1Btu/ft3h=10.343W/m3

∙1kcal/m3=0.112Btu/ft3

[url=]Heatgenerationperunitmass[/url]

∙1Btu/lb=0.556kcal/kg=2,326J/kg

∙1kcal/kg=1.800Btu/lb

[url=]Heattransfercoefficient[/url]

∙1Btu/ft2hoF=5.678W/m2K=4.882kcal/hm2oC

∙1W/m2K=0.85984kcal/hm2oC=0.1761Btu/ft2hoF

∙1kcal/hm2oC=1.163W/m2K=0.205Btu/ft2hoF

[url=]HydraulicGradients[/url]

∙1ftH2O/100ft=0.44psi/100ft=9.8kPa/100m=1000mmH2O/100m

∙1psi/100ft=2.3ftH2O/100ft=2288mmH2O/100ft=22.46kPa/100m

[url=]Length[/url]feet,meters,centimeters,kilometers,miles,furlongs,yards,micrometers,inches,angstrom,cubit,fathom,foot,hand,league,lightyear,micron,mil,nauticalmile,rod,

∙1m（meter）=3.2808ft=39.37in=1.0936yd=6.214x10-4mile

∙1km=0.6214mile=3281ft=1094yds

∙1in（inch）=25.4mm=2.54cm=0.0254m=0.08333ft=0.02778yd=1.578x10-5mile

∙1ft（foot）=0.3048m=12in=0.3333yd=1.894x10-4mile=30.48cm=304.8mm

∙1mm=10-3m

∙1cm=10-2m=0.3937in=0.0328ft

∙1mm=0.03937in

∙1Ã…（Ã…ngström）=10-10m

∙1mile=1.6093km=1,609.3m=63,346in=5,280ft=1,760yd

∙1mil（NorwayandSweden）=10kilometres

∙1nm（nauticalmile）=1,852metres=1.151mile=6076.1feet

∙1yd（yard）=0.9144m=36in=3ft=5.682x10-4mile

∙1Furlong=660feet=40rods=1/8mile

∙1rod=5.5yards

∙1landleague=3miles

∙1Fathom=6feet=1.828804meters

[url=]Mass[/url],weightpounds,kilograms,grams,ounces,grains,tons（long）,tons（short）,tons（metric）,carat,grain,ouncemass,poundmass（lbm）,slug,tonne

∙1kg=1,000g=2.2046lb=6.8521x10-2slug

∙1lb=16oz=0.4536kg=453.6g=7000grains=0.03108slug

∙1slug=14.594kg=32.174lbm

∙1grain=0.000143lb=0.0648g

∙1g=15.43grains=0.0353oz=0.002205lb

∙1tonne=103kg=106g=109mg=0.984tons

∙1qt=0.9464liters

∙1Ton=2000Lbs.=907kg

∙1longton=2240pounds

∙1oz（ounce）=28.35g=437.5grains

∙1troypound=12troyounces

∙1scruple=20grains

∙1dram=3scruples

∙1apothecaryounce=8drams

∙1apothecarypound=12apothecaryounces

∙1pennyweight=24grains

∙1Gal.H2O=8.33Lbs.H2O

∙Density,SpecificWeightandSpecificGravity-Anintroductionanddefinitionofdensity,specificweightandspecificgravity.Formulaswithexamples.

[url=]Massflowrate[/url]

∙1lb/h=1.26x10-4kg/s

∙1lb/s=0.4536kg/s

∙1lb/min=7.56x10-3kg/s=27.216kg/s

∙1kg/s=3,600kg/h=132.28lb/min

∙1kg/h=2.778x10-4kg/s=3.67x10-2lb/min

MomentofInertia

∙1kgm2=10000kgcm2=54675ouncein2=3417.2lbin2=23.73lbft2

[url=]Power[/url]horsepower,kilowatt,watt,btu/second,calorie/second,footlbf/second,kilocalorie/second

∙1W=1kgm2/s3=1Nm/s=1J/s

∙1kW=1,000Watts=3,412Btu/h=737.6/550Britishhp=1.341Britishhp=103/9.80665kgfm/s=737.6ftlbf/s=103/（9.8066575）metrichp

∙1hp（Englishhorsepower）=745.7W=0.746kW=550ftlb/s=2,545Btu/h=33.000ftlb/m=1.0139metrichorsepower~=1.0KVA

∙1metrichorsepower=736W=75kgm/s=0.986Englishhorsepower

∙1refrigerationTon=12,000Btu/hcooling=3.516kW=3,025.9kCalories/h

∙1coolingtowerTon=15,000Btu/h=3,782kCalories/h

∙1Therm=100,000Btu/h

∙1ftlb/s=1.3558W

∙1Btu/s=1055.1W

∙1Btu/h=1Btuh=0.293W=0.001MBH

[url=]Powerperunitarea[/url]

∙1W/m2=0.3170Btu/（hft2）=0.85984kcal/（hm2）

[url=]Pressure[/url]atmosphere,centimetersofmercury,footofwater,bar,barye,centimeterofwater,dyne/centimeter2,inchofmercury,inchofwater,kgf/centimeter2,kgf/meter2,lbf/foot2,lbf/inch2（psi）,millibar,millimeterofmercury,pascal,torr,newton/meter2

∙StandardAtmosphericPressure1atm=101.325kN/m2=101.325kPa=14.7psia=0psig=29.92inHg=760torr=33.95Ft.H2O=407.2In.W.G（WaterGauge）=2116.8Lbs./Sq.Ft.

∙1N/m2=1Pa=1.4504x10-4lb/in2=1x10-5bar=4.03x10-3inwater=0.336x10-3ftwater=0.1024mmwater=0.295x10-3inmercury=7.55x10-3mmmercury=0.1024kg/m2=0.993x10-5atm

∙1Pa=10-6N/mm2=10-5bar=0.1020kp/m2=1.02x10-4mH2O=9.869x10-6atm=1.45x10-4psi（lbf/in2）

∙1N/mm2=106Pa=10bar=1.020x105kp/m2=102.0mH2O=9.869atm=145.0psi（lbf/in2）

∙1mmHg=1torr=0.01934lb/in2

∙1atm=101,325Pa（N/m2）=1.013x102kN/m2=1.033x104kp/m2=1.033kp/cm2=1.013bar=14.696psi（lb/in2）=407.1inH2Oat620F（16.7oC）=33.9ftH2Oat620F（16.7oC）=10.33mH2Oat620F（16.7oC）=29.92inmercuryat620F（16.7oC）=760mmmercuryat620F（16.7oC）=760torr

∙1bar=105Pa（N/m2）=0.1N/mm2=10,197kp/m2=10.20mH2O=0.9869atm=14.50psi（lbf/in2）=106dyn/cm2=750mmHg

∙1kp/m2=9.81Pa（N/m2）=9.807x10-6N/mm2=10-3mH2O=1mmH2O=0.9681x10-4atm=1.422x10-3psi（lb/in2）=0.0394inH2O=0.0736mmmercury

∙1psi（lb/in2）=144psf（lbf/ft2）=6,894.8Pa（N/m2）=6.895x10-3N/mm2=6.895x10-2bar=27.71inH2Oat62oF（16.7oC）=703.1mmH2Oat6