单位换算.doc

单位换算量的名称公制单位英制单位换算关系公制 英制长度公里(km)米(m)毫米(mm)英里(mile)英尺(ft)英寸(in)1mm=0.0394in1m=3.281ft1km=0.621mile1in=25.4mm1ft=0.3048m1mile=1.609km面积平方米(m2)平方毫米(mm2)平方英尺(ft3)平方英寸(in2)1mm2=0.00155in21m2=10.764ft21in2=645.2mm21ft2=0.093m2体积立方米(m3)升(L)立方厘米(cm3)立方英尺(ft3)立方英寸(in3)美加仑(gal)桶(bbl)1m3=264.2gal =6.29bbl1L=0.0063bbl =0.2642gal=0.0353ft31cm3=0.061in31bbl=0.159m3=42gal1gal=3.785L1in3=16.387cm31ft3=0.0283m3 =28.32L重量吨(t)公斤(Kg)磅(Lb)美吨(US ton)1kg=2.205Lb1t=1.102US ton1US ton=0.907t1Lb=0.454kg长度重量公斤/米(kg/m)磅/英尺(Lb/ft)1kg/m=0.672 Lb/ft1 Lb/ft=1.488kg/m 密度公斤/立方米(kg/m3)克/立方厘米(g/cm3)磅/美加仑(PPg、lb/gal)磅/桶(Lb/bbl)磅/立方英寸(Lb/in3)磅/立方英尺(Lb/ft3)1kg/m3=0.0624 Lb/ft31g/cm3=0.0361 Lb/in31PPg=119.83kg/m31Lb/bbl=2.853kg/m31Lb/in3=27.68g/cm31Lb/ft3=16.02kg/m3排量立方米/分(m3/min)升/分(L/min)升/秒(L/s)桶/分(bpm)美加仑/分(gal/min)立方英尺/分(ft3/min)1m3/min=35.315ft3/min=16.67L/s=6.289bpm1L/s =0.06m3/min1L/min=0.2642gal/min=0.03531ft3/min1bpm=0.159m3/min =2.65L/s1gal/min=3.785L/min 1ft3/min=28.32L/min压强帕(Pa)兆帕(MPa)大气压(atm)公斤/平方厘米(Kg/cm2)毫米汞柱(mmHg)毫米水柱(mmH2O)磅力/平方英寸(Psi)巴(bar)达因/平方厘米(dyn/cm2)1MPa=106pa=144.95Psi1atm=0.101MPa =14.7Psi1Kg/cm2=0.981bar =14.22Psi1mmH2o=9.807Pa1mmHg=133.32Pa 1Psi=0.006895MPa=0.06895bar1bar=0.1MPa1dyn/cm2=0.1Pa渗透率达西(d)平方厘米(cm2)1cm2=9.81107d粘度动力粘度泊(P)厘泊(cP)帕.秒(Pa.s)千克力.秒/平方米(Kgf.s/m2)磅力秒/平方英尺(Lbf.s/ft2)1P=100cP=0.1Pa.s1Kgf.s/m2=9.807Pa.s 1Lbf.s/ft2=47.88Pa.s运动粘度平方米/秒(m2/s)平方厘米/秒(cm2/s)平方英尺/秒(ft2/s)斯(St)1ft2/s=9.29102m2/s 1St=10-4m2/s =1cm2/s功率瓦特(W)公制马力(PS)卡/秒(cal/s)千克力.米/秒(Kgf.m/s)英尺.磅力/秒(ft.lbf/s)马力(hp)1W=0.00134hp1PS=0.9863hp=735.5W1cal/s=4.187W1Kgf.m/s=9.807W1ft.lbf/s=1.356W1hp=745.7W =1.0139 PS力公斤力(kgf)吨力(tf)牛顿(N)千顿(kN)磅力(Lbf)达因(dyn)1kgf=9.81N1N=10-3kN =10-6tf=0.225 Lbf =0.102Kgf1Lbf=4.45N1dyn=10-5N