计量单位换算表

计量单位换算表长度1m=10ioAlA=10-iom1m=109nm1nm=10-9m1m=106 um1um=10-6m1m=103mm1mm=10-3m1m=102cm1cm=10-2mlmm=0.0394inlin=25.4mmlcm=0.394inlin=2.54cmlm=39.4in=3.28ft1ft=12in=0.3048mlmm=39.37millmil=10-3in=0.0254mm=25.4um1um=39.37 uin1uin=0.0254um面积1m2=104cm21cm2=10-4m21cm2=102mm2lmm2=10-2cm2lm2=10.76f t21f t2=0.093m2lcm2=0.1550in2Iin2=6.452cm2体积1m3=106cm3lcm3=10-6m31cm3=103mm3lmm3=10-3cm3lm3=35.32f t31f t3=0.0283m3lcm3=0.0610in3Iin3=16.39cm3质量lMg=lt=103kg1kg=10-3 t=10-3Mg1kg=103g1g=10-3kglkg=2.205lbmllbm=0.4536kg1g=2.205X 10-3lbm1lbm=453.6glg=0.035oz1oz=28.35g密度lkg/m3=10-3g/cm31 g/cm3 =103 kg/m31Mg/m3= It /m3=1g/cm31g/cm3= It /m3=1Mg/m3lkg/m3=0.0624 lbm/f t31 lbm/f t3=16.02kg/m31g/cm3=62.4 lbm/f t31 lbm/f t3=1.602 X 10-2g/cm3lg/cm3=0.0361 lbm/in31 lbm/in3=27.7g/cm3力lN=0.102kgflkgf=9.801N1N=105dynldyn=10-5N=10 u N1N=O.2248 lbf1lbf=4.448N压力、应力、压强lPa=lN/m2=10dyn/cm21dyn/cm2=0.10PalMPa=145psi1psi=1lb/in2=6.90X 10-3MPalMPa=0.102kgf/mm21kgf/mm2=9.807Palkgf/mm2=1422psi1psi=7.03X 10-4kgf/mm2lkPa=0.00987atm1atm=101.325kPalkPa=0.01bar1bar=100kPa=0.1MPalPa=0.0075 torr=0.0075mmHg1torr=1mmHg=133.322Pa断裂韧性lMPa(m) i/2=910psi(in) 1/21psi(in) 1/2= 1.099X 10-3MPa(m)i/2能量、功、热1J=107erg1erg=10-7j1J=6.24X10iseV1eV=1.602X10-i9j1J=0.239cal1cal=4.187J1J=9.48 X 10-4B tu1Btu=1054J1J=0.738ft lbf1ft lbf=1.356J1eV=3.82 X 10-2ocal1cal=2.61 X 10i9eV1cal=3.97X 10-3B tu1Btu=252.0cal功率1W=1.01kgf m/s1kgf m/s=9.807W1W=1.36X10-3 马力1 马力=735.5W1W=0.239cal/s1cal/s=4.187W1W=3.414B tu/h1B tu/h=0.293W1cal/s=14.29Btu/h1Btu/h=0.070cal/s1W=107erg/s=1J/s1erg/s=10-7W黏度1Pa s=10P1P=0.1Pa s1mPa s=1cP1cP=10-3Pa s温度TT(K)=273.15+T(C)T(C)= T(K)-273.15T(K) = 5t(F) - 32 + 273.159T (F) = T (K) - 273.15 + 32T (C) = |T (F) - 329T (F) = T (C) + 32比热容1J/(kg K)=2.29X10-4cal/(g K)1cal/(g K)=4184J/(kg K)1J/(kg K)=2.29X 10-4Btu/(lbm F)1Btu/(lbm F)=4184J/(kg K)1cal/(g C)=1.0Btu(lbm F)1Btu/(lbm F)=1.0cal/(g K)热导率1W/(m K)=2.39X 10-3cal/(cm sK)1cal/(cm s K)=418.4W/(m K)1W/(m K)=0.578Btu/(ft hF)1Btu/(ft h F)=0.578W/(m K)1cal/(cm s k)=241.8Btu/(ft hF)1Btu/(ft h F)=241.8cal/(cm sK)单位符号及其中文名称A,安（培）Gb,吉（伯）mm,毫米A,埃Gy,戈（瑞）nm,纳米bar,巴h,（小）时N,牛（顿）Btu,英热量单位H,亨（利）Oe,奥（斯特）C,库（仑）Hz，赫（兹）psi,磅每平方英寸C,摄氏度in,英寸P,泊cal,卡（路里）J，焦（耳）Pa,帕（斯卡）cm厘米K,开（尔文）rad，拉德cP,厘泊kgf,千克力S,秒dB,分贝kpsi,千磅每平方央寸S,西（门子）dyn,达因L, 升T,特（斯拉）erg，尔格lbf,磅力torr,托eV,电子伏lbm,磅（质量）min,分（钟）F,法（拉）m,米V,伏（特）F,华氏度Mg,兆克W,瓦（特）ft,英尺MPa,兆帕Wb,韦（伯）g，克mil，密耳Q,欧（姆）国际单位制中常用的词头的符号因数词头央文名称中文名称符号109giga吉G106mega兆M103kilo千k10-2cen ti厘c10-3mili毫m10-6micro微H10-9nano纳n10-12pico皮p常用其他符号ppm1X10-6ppb1X10-9