工程设计常用单位换算.docx

一体积流量单位换算表体积流量单位L/sL/minm3/hm3/minm3/sgal(UK)/mingal(US)/minft3/hft3/minft3/s1L/s1603.60.060.00113.198215.8502127.1342.11890.035311L/min0.0166710.060.00116.6667×10-60.219970.264172.118880.035310.000591m3/h0.2777816.6666710.016670.27778×10-33.666154.4028735.314670.588580.009811m3/min16.6666710006010.01667219.969264.1722118.8835.314670.588581m3/s100060×103360060113198.1415850.32127132.82118.8835.314671gal(UK)/min0.075774.54610.272774.5461×10-375.7683×10-611.200959.63240.160542.67567×10-31gal(US)/min0.063093.78540.227123.7854×10-363.09×10-60.8326718.02080.133682.228×10-31ft3/h0.007870.4720.028320.000477.83×10-60.10380.1246710.016670.27783×10-31ft3/min0.4719528.31681.699010.028320.47195×10-36.228837.480526010.016671ft3/s28.3171699.02101.94121.6990228.317×10-3373.698448.83123600601表注升/秒升/分米3/时米3/分米3/秒英加仑/分美加仑/分英尺3/时英尺3/分英尺3/秒UK GPMUS GPMCFHCFMCFS二压强单位换算表压强单位Mpabarkgf/cm2atmmmH2OmmHglbf/in2(psi)1 kgf/cm2=1kP/cm2=1at=1工程大气压1 mmHg=1Torr=1托1Pa=1N/m21Mpa11010.19729.8692101.91×1037.5006×103145.041bar0.111.019720.9869210.197×103750.0614.5041kgf/cm20.0980670.9806710.9678410×103735.5614.2231atm0.101331.01331.033211033276014.6961mmHxO9.8067×10-698.067×10-60.1×10-396.784×10-6173.556×10-31.4223×10-31mmHg0.13332×10-31.3332×10-31.3595×10-31/76013.595119.337×10-31lbf/in2(psi)6.8948×10-368.948×10-370.307×10-368.046×10-3703.0751.7151表注兆帕巴千克力/厘米2标准大气压毫米水柱毫米汞柱磅力/英寸2三动力粘度单位换算表单位制国际单位制(SI)物理单位制(CGS)工程单位制单位符号m2/smm2/sStcStm2/h换算系数单位名称国际单位制(SI)m2/smm2/s11×10-61×10611×1040.011×10613600.003.60000×10-3物理单位制(CGS)StcSt1×10-41×10-6100110.0110010.36003.6×10-3工程单位制m2/h2.77778×10-4277.7782.77778277.7781英制绝对单位制in2/sft2/sin2/hft2/h6.4516×10-49.29030×10-21.79211×10-72.58064×10-5645.1609.2903×1040.17921125.80646.4516929.0301.79211×10-30.2580645.1609.2903×1040.17921125.80642.32257334.4516.45159×10-40.0929030备注推行不采用不采用三运动粘度换算表（续）单位制英制绝对单位制单位符号in2/sft2/sin2/hft2/h换算系数单位名称国际单位制(SI)m2/smm2/s1.55000×1031.55000×10-310.76391.07639×10-55.58001×1065.580013.8750×1040.038750物理单位制(CGS)StcSt0.1550001.550×10-31.07639×10-31.07639×10-5558.0015.580013.875010.0387501工程单位制m2/h0.4305572.98998×10-31.55001×10310.7639英制绝对单位制in2/sft2/sin2/hft2/h1144.0002.77778×10-40.04000006.94445×10-311.92900×10-62.7778×10-43.60000×1035.18400×1051144.00025.00003.60000×1036.94444×10-31备注不采用四功率单位换算表功率单位kWkgf·m/sPSHP1W=1J/s=1N·m/s 1kcal/h=1.163W 1kW=859.845kcal/h1 kW1101.9721.359621.341021Btu/h=0.29307W 1W=3.412 Btu/h 1HP=550ft·lbf/s1 kgf·m/s9.8067×10-311/75=0.013330.013151瓦=1焦(耳)/秒=1牛(顿)·米/秒 1千卡/时=1.163瓦1 PS0.73557510.986321千瓦=859.845千卡/时 1英热单位/时=0.29307瓦1 HP0.745776.0401.013911瓦=3.412英热单位/时 1英制马力=550英尺·磅力/秒表注千瓦千克力·米/秒米制马力英制马力1冷吨=3024千卡/小时=3.5169千瓦六力矩单位换算表力矩单位N·mkgf·m1 N·m10.1019721 kgf·m9.806651表注牛(顿)·米千克力·米五力单位换算表力单位NkgflbfkNtf1kgf=1kp(kilopond)七速率单位换算表速率单位m/sm/minft/minft/s1 m/s160196.853.2811 m/min0.016713.2810.05471 ft/min0.00510.304810.01671 ft/s0.304818.288601表注米/秒米/分英尺/分英尺/秒1N=105Dyn(dyn)=105 达因1N10.10197160.2248091×10-30.102×10-31kgf9.8066512.204620.00981×10-31lbf4.448220.45359210.004450.454×10-31kN1000101.9716224.80910.101971tf9806.6510002204.629.806651表注牛(顿)千克力磅力千牛(顿)吨力八温度单位换算表温度单位t()=t()×9/5+32 t()= t()-32 ×5/9T(K)=273.16+ t()温度差:t()= t() ×9/5t()= t() ×5/9-华氏度-摄氏度K-开尔文(热力学温度单位)T-热力学温度(绝对温度)九体积单位换算表体积单位m3cm3dm3=Lin3ft3yd3fl.oz.(UK)fl.oz.(US)gal(UK)gal(US)1 m311×1061×10361023.735.314671.3079535.195×10333.184×103219.969264.1721 cm31×10-610.0010.0610235.31×10-61.31×10-60.03520.033810.000220.000261 dm31×10-31000161.02370.035310.0013135.195233.81380.219970.264171 in316.3871×10-616.38710.0163910.0005821.43×10-60.576750.554110.00380.004331 ft328.3168×10-328316.828.3168172810.03704996.614957.4996.228837.480521 yd30.76455764555764.5554665627126908.525852.4168.178201.9721 fl.oz.(UK)28.413×10-628.4130.02841.733880.0010.000410.960750.006250.007511 fl.oz.(US)29.5735×10-629.57350.02961.80470.001040.000041.0408510.006510.007811 gal(UK)4.5461×10-34546.094.54609277.420.160540.00595160153.72111.200951 gal(US)3.7854×10-33785.413.785312310.133680.00495133.2331280.832671表注米3厘米3分米3=升英寸3英尺3码3英盎司(液)美盎司(液)英加仑美加仑十面积单位换算表面积单位cm2m2km2in2ft2yd21 cm210.00010.1×10-90.1550.001080.000121 m21000011×10-6155010.76391.195991 km210×1091×10611.55×10910.7639×1061.196×1061 in26.45160.645×10-30.645×10-910.006940.000771 ft2929.030.092992.9×10-914410.111111 yd28361.270.836130.836×10-6129691表注厘米2米2千米2英寸2英尺2码2十一质量单位换算表质量单位gkgtozlbUS tonUK ton1g10.0011×10-60.035270.00221.102×10-60.984×10-61kg100010.00135.2742.204620.00110.000981t1×10610001352742204.621.102310.98421oz28.34950.0283528.35×10-610.062531.25×10-60.000031lb453.5920.453590.000451610.00050.000451 US ton907185907.1850.9071932000200010.892861 UK ton1.016×1061016.051.016053584022401.121表注克千克吨盎司(英两)磅美吨(短吨)英吨(长吨)十二长度单位换算表长度单位mmcmmKminftyd1mm10.10.0011×10-60.039370.003280.001091cm1010.0110×10-60.39370.032810.010941m100010010.00139.373.280841.093611km1×106100×10310001393703280.841093.611in25.42.540.025425.4×10-610.083330.02777781ft304.830.480.3048304.8×10-61210.333331yd914.491.440.9144914.4×10-63631表注毫米厘米米千米英寸英尺码十三法定计量单位表1 国际单位制的基本单位量的名称量的符号单位名称单位符号长 度l (L)米m质 量m千克(公斤)kg时 间t秒s电 流 I安培A热力学温度T开尔文K物质的量n摩尔mol发光强度 I,（Iv）坎德拉cd表2 包括SI辅助单位在内具有专门名称的SI导出单位量的名称SI导出单位名 称符号用SI基本单位和SI导出单位表示平面角弧 度rad1rad=1m/m=1立体角球面度sr1sr=1m2/ m2=1频率赫兹Hz1 Hz=1s-1力牛顿N1N=1kg·m/s2压力，压强，应力帕斯卡Pa1Pa=1N/ m2能量，功，热量焦耳J1J=1N·m功率，辐射能能量瓦特W1W=1J/s电荷量库仑C1C=1A·s电压，电动势，电位，(电势)伏特V1V=1W/A电容法拉F1F=1C/V电阻欧姆1=1V/A电导西门子S1S=1-1磁通量韦伯Wb1 Wb=1V·s磁通量密度，磁感应强度特斯拉T1T=1 Wb/ m2电感亨利H1H=1 Wb/ A摄氏温度摄氏度1=1K光通量流明lm1lm=1cd·sr光照度勒克斯lx1lx=1lm/ m2放射性活度贝可勒尔Bq1 Bq=1 s-1剂量当量希沃特Sv1 Sv=1J/kg吸收剂量，比授予能，比释功能戈瑞Gy1 Gy=1J/kg表3 可与国际单位制单位并用的我国法定计量单位量的名称单位名称单位符号与SI单位的关系时间分min1min=60s小时h1h=60min=3600s日，(天)d1d=24h=86400s平面角度°1°=(/180)rad角分1=(1/60) °=(/10800)rad角秒1=(1/60)=(/648000)rad体积，容积升L(l)1L=1dm3=10-3m3质量吨t1t=103kg原子质量单位u1u1.660540×10-27kg旋转速度转每分r/min1r/min=(1/60)s-1长度海里n mile1n mile=1852m(只用于航行)速度节kn1kn=1n mile/h= (1852/3600)m/s(只用于航行)能电子伏eV1eV1.602177×10-19J级差分贝dB线密度特克斯tex1tex=10-6kg/m面积公顷hm21hm2=104m2 （国际符号为ha）表4 用于构成十进倍数和分数单位的词头所表示的因数词头名称词头符号所表示的因数词头名称词头符号1024尧它Y10-1分d1021泽它Z10-2厘c1018艾可萨E10-3毫m1015拍它P10-6微1012太拉T10-9纳诺n109吉咖G10-12皮可p106兆M10-15飞母拖f103千k10-18阿托a102百h10-21仄普托z101十da10-24幺科托y9