計量單位換算表

1、計量單位換算表長度1m=10u?1?=1U-IUm1m=10，nm1n m=lU9 m1m=10(im1m=lU6 m1m=1(0mm1mm=lUm1m=1(fcm1cm=lU2 m1mm=0.0394i n1i n=25.4mm1cm=0.394i n1i n=2.54cm1m=39.4i n=3.28ft1ft=12i n=U.3U48m1mm=39.37mil-31miI=1U in=U.0254mm=25.4um1m=39.37 in1 in=U.U254 (im面積“2“421m=10 cm“2“ 八-421cm=1U m2 2 21cm=10 mm2 -2 21mm=1U cm2

2、21m=10.76ft2 21ft =U.U93m1cm=U.1550in 21in 2=6.452cm2體積,3631m=1U cm3, c-631cm=1U m1cm=1U mm/3“-331mm=1U cm1n?=35.32ft 31ft 3=U.U283m3331cm=U.U61Ui n331in =16.39cmF=p 曰. 質(zhì)量31Mg=1t=1U kg331kg=1U- t=1U- Mg1kg=1U3g1g=1U-3 kg1kg=2.2U5lbm1Ibm=U.4536kg31g=2.2U5 x 1U- Ibm1Ibm=453.6g1g=U.U35oz1oz=28.35g密度1kg

3、/m3=1U-3g/cm31 g/cm 3 =1U 3 kg/m 33331Mg/m=1t/m =1g/cm3331g/cm =1t/m =1Mg/m331kg/m =U.U624 Ibm/ft331 Ibm/ft =16.U2kg/m1g/cm3=62.4 Ibm/ft31 Ibm/ft 3=1.6U2 x 1U-2g/cm3331g/cm =U.U361 Ibm/in331 Ibm/in =27.7g/cm力1N=U.1U2kgf1kgf=9.8U1N1N=1U5dyn1dyn=1U-5N=10u N1N=U.2248 Ibf1Ibf=4.448N壓力、應(yīng)力、壓強2 21Pa=1N/m=1

4、0dy n/cm21dy n/cm =0.10Pa1MPa=145psi1psi=1lb/in2=6.90 x 10-3MPa21MPa=0.102kgf/mm21kgf/mm =9.807Pa1kgf/mm2=1422psi-421psi=7.03 x 10 kgf/mm1kPa=0.00987atm1atm=101.325kPa1kPa=0.01bar1bar=100kPa=0.1MPa1Pa=0.0075torr=0.0075mmHg1torr=1mmHg=133.322Pa斷裂韌性1MPa(m)/2=910psi(i n) 1/21psi(in) 1/2= 1.099 x 10-3MP

5、a(m)1/2能量、功、熱1J=10erg-71erg=10 J1J=6.24 x 1018eV1eV=1.602 x 10 J1J=0.239cal1cal=4.187J-41J=9.48 x 10 Btu1Btu=1054J1J=0.738ft lbf1ft lbf=1.356J1eV=3.82 x 10-20cal1cal=2.61 x 1019eV31cal=3.97 x 10- Btu1Btu=252.0cal功率1W=1.01kgf m/s1kgf m/s=9.807W1W=1.36X 10-馬力1 馬力=735.5W1W=0.239cal/s1cal/s=4.187W1W=3.4

6、14Btu/h1Btu/h=0.293W1cal/s=14.29Btu/h1Btu/h=0.070cal/s1W=10erg/s=1J/s-71erg/s=10 W黏度1Pa s=10P1P=0.1Pa s1mPa- s=1cP-31cP=10 Pa s溫度TT(K)=273.15+T( C)T( C )= T(K)-273.155T(K) -T( F) 32273.159T( F) 9T(K)273.153255T(C) 9【T(F) 329T( F) T(C)325比熱容-41J/(kg K)=2.29 x 10 cal/(g K)1cal/(g K)=4184J/(kg K)1J/(kg

7、 K)=2.29 x 10-4 Btu/(lbm ?)1Btu/(lbm ? )=4184J/(kg K)1cal/(g C )=1.0Btu(lbm ?)1Btu/(lbm ? )=1.0cal/(g K)熱導(dǎo)率-31W/(m - K)=2.39 x 10 cal/(cm s K)1cal/(cm s K)=418.4W/(m K)1W/(m K)=0.578Btu/(ft h ?)1Btu/(ft h ? )=0.578W/(m K)1cal/(cm s k)=241.8Btu/(ft h ?)1Btu/(ft h ? )=241.8cal/(cm s K)單位符號及其中文名稱A,安（培）

8、Gb,吉（伯）mm毫米?，埃Gy,戈（瑞）nm纟納米bar，巴h,（?。rN,牛（頓）Btu，英熱量單位H,亨（利）Oe,奧（斯特）C,庫（侖）Hz,赫（茲）psi ,磅每平方央寸C,攝氏度in，英寸P ,泊cal，卡（路里）J焦（耳）Pa，帕（斯卡）cm厘米K,開（爾文）rad ,拉德cP,厘泊kgf，千克力s,秒dB,分貝kpsi，千磅每平方央寸S,西（門子）dyn，達因L,升T,特（斯拉）erg，爾格lbf，磅力torr ,托eV,電子伏lbm，磅（質(zhì)量）min ,分（鐘）F,法（拉）m米V,伏（特）T,華氏度Mg兆克W瓦（特）ft，英尺MPa兆帕Wb韋（伯）g，克mil，密耳Q,歐（姆）國際單位制中常