单位换算.docx

1、单位换算单位换算以下各表列出各种单位换算关系。各表中SI单位均印制粗体。长度厘米米千米寸尺哩1厘米=110-210-50.39373.28110-26.21410-61米=100110-339.373.2816.21410-41千米=105100013.93710432810.62141寸=2.5402.54010-22.54010-518.33310-21.57810-51尺=30.480.30483.04810-41211.89410-41哩=1.60910516091.6096.336104528011埃（）=10-10米1光年=9.46001012千米1码=3尺1x单位=10-13米1

2、秒差距=3.0841013千米1竿（rod）=16.5尺1噚=6尺1密耳（mil）=10-3寸 1海里=1852米=1.151哩=6076尺面积米2厘米2尺2寸2圆密耳1平方米=110410.7615501.9741091平方厘米=10-411.07610-30.15501.9741051平方尺=9.29010-2929.011441.8331081 平方寸=6.45210-46.4526.94410-31 1.2731061圆密耳=5.06710-105.06710-65.45410-97.85410-711平方哩=2.788108尺2=640亩 1亩=43，600尺21邦=10-28米2

3、体积米2厘米3升尺3寸31立方米=1106100035.316.1021041立方厘米=10-611.00010-33.53110-56.10210-21升=1.00010-3100013.53110-261.021立方尺=2.83210-2283210428.32117281立方寸1.63910-516.391.63910-25.78710-411加仑（美）=4夸胶（美）=8品脱（美）=128 唡 （美）=231寸31加仑（英）=277.42寸31升=1千克水在其最大密度时的体积=1000.028厘米3平 面 角弧度转1度=16036001.74510-22.77810-31分=1.6661

4、0-21602.90910-44.63010-51秒=2.77810-41.66710-214.84810-67.71610-71弧度=57.3034382.06310510.15921转=3602.161041.2961066.2831立体角1球=4球面度=12.57球面度单位换算质量 唡、磅和吨本不是质量单位，但常用作质量单位。例如，当写1千克“=”2.205磅时，意即在标准重力状况时（g=9.80665米/秒2）一千克是重2.205磅的质量。克千克斯勒格统一原子质量单位唡磅吨1克=1千克=1斯勒格=1统一原子质量单位=10.0016.85210-56.02410233.52710-22.

5、20510-31.10210-6100016.85210-26.024102635.272.2051.10210-31.45910414.5918.7891027514.832.171.60910-21.66010-241.1271.13710-2815.85510-263.66010-271.82910-301两1磅1吨28.352.83510-21.94310-31.708102516.25010-23.12510-5453.60.45363.10310-22.73210261610.00059.072105907.262.165.46510293.210420001密度磅/尺3和磅/寸3

6、是重量密度，与质量密度的量纲不同，参阅质量表前的注。斯勒格/尺3千克/米3克/厘米3磅/尺3磅/寸31斯勒格/尺3= 1千克/米3=1克/厘米3=1 1.94010-31.940515.4 110000.5154 0.001132.17 6.24310-262.431.86210-2 3.61310-53.61310-21磅/尺3= 1磅/寸3=3.10810-2 53.7116.02 2.7681041.60210-2 27.281 17285.78710-4 1时间年月小时分秒1年=1365.28.7661035.2591053.1561071日=2.73810-312414408.640

7、1041小时=1.14110-44.16710-216036001分=1.90110-46.94410-41.66710-21601秒=3.16910-81.15710-52.77810-41.66710-21速度尺/秒千米/小时米/秒哩/小时厘米/秒节1尺/秒=11.0970.30480.681830.480.59251千米/小时=0.911310.27780.621427.780.59251米/秒=3.2813.612.2371001.9441哩/小时=1.4671.6090.4470144.700.86891厘米/秒=3.28110-23.610-20.012.23710-211.944

8、10-21节=1.6881.8520.51441.15151.441力克力和千克力本汪是力的单位，但常用作（尤其在化学中）力的单位。例如，若写1克力“=”980.7达因，意即在标准重力状况时（g=9.80665米/秒2）一克质量承受980.7达因的力。达因牛顿磅磅达克力千克力1达因110-52.24810-67.23310-51.02010-31.02010-e1牛顿10510.22487.233102.00.10201磅4.4481054.448132.17453.60.45361磅达1.3831040.13833.10810-2114.101.41010-21克力980.79.80710-

9、32.20510-37.09310-210.0011千克力9.8071059.8072.20570.93100011千克力=9.80665牛顿 1磅=32.17398磅达单位换算压力大气压达因/厘米2寸水柱厘米水银柱牛顿/米2磅/寸2磅/尺21大气压=11.013106406.8761.01310514.7021161达因/厘米2=9.86910-714.01510-47.50110-50.11.45010-52.08910-31寸水柱在 4C*=2.45810-2249110.1868249.13.61310-25.2021厘米水银柱在0C*=1.31610-21.3331045.35311

10、3330.193427.851牛顿/米2=9.86910-6104.01510-37.50110-411.45010-42.0891021磅/寸2=6.80510-26.89510427.685.1716.89510-311441磅/尺2=4.72510-44.78.80.19223.59110-247.886.94410-31*此处重力加速度为标准值9.80665米/秒21巴=106达因/厘米2 毫巴=103达因/厘米2功率Btu/小时尺磅/秒马 力卡/秒千瓦瓦特1Btu/小时=10.21613.92910-47.00010-22.93010-40.29301磅尺/秒=4.62811.818

11、10-30.32391.35610-31.3561马力=25455501178.20.7457745.71卡/秒=14.293.0875.61310-314.18610-34.1861千瓦=3413737.61.341238.9110001瓦特=3.4130.73761.34110-30.23890.0011Btu为英热量单位（=252卡）电荷电磁库仑安培小时库仑静库仑1电磁库仑=12.77810-3102.99810101安培小时=360136001.07910131库仑=0.12.77810-412.9981091静库仑=3.3610-119.26610-143.33610-1011电子电

12、荷=1.60210-19库仑，电磁系指厘米克秒制电磁单位系，静系指厘米克秒制静电系，下同。电磁量量符号SI（有理MKSA单位系）定义式量 纲名 称符号电 流I基本A安培（ampere）A电动势、电位差，电压VP=IVm2kgS-3A-1伏特（volt）V电 阻RR=V/Im2kgS-3A-2欧姆（ohm）电 导GG=1/Rm-2kg-1S-3A2西门子（sismens）S电 量QQ=ItC=AS库仑（coulomb）C电 容CC=Q/Vm-2kg-1S4A2=C/V法拉第（farad）F电场强度EE=V/1mkgS-3A-1伏特每米V/m电位移（电通量密度）DD=Q/12m-2SA库仑每平方米

13、C/m2介电常数=D/Em-3kg-1S4A2法拉第每米F/m磁场强度HHd1=Im-1A安培每米A/m磁通V=d/dtm2kgS-2A-1=VS韦伯（weber）Wb磁通密度BB=/12kgS-2A-1=VS/m2韦伯每平方米=特斯拉Wb/m T电 感L,MM=/Im2kgS-2A-2=wb/A亨利（henry）H磁导率=B/HmkgS-2A-2亨利每米H/m能量、功、热千克和统一原子质量单位并非正式的能量单位，为参考主便计故列于此，它们由相对论的质能等效公式E=mc2而来，代表当一千克或一统一原子质量单位（u）的物质完全消灭时所释放的能量。英热单位尔格磅尺马力小时焦耳1英热单位11.055

14、1010777.93.92910-410551尔格9.48110-1117.37610-83.72510-1410-71磅尺1.28510-31.35610715.05110-713561马力小时25452.68510131.98010612.6851061焦耳9.48110-41070.73763.72510-711卡3.96810-34.1861073.0871.55910-64.1861千瓦/小时34133.610132.6551061.3413.61061电子伏特1.51910-221.60210-121.18210-195.96710-261.60210-191百万电子伏特1.519

15、10-161.60210-61.18210-135.96710-201.60210-131千克8.52110138.98710236.62910163.34810108.98710161统一原子质量单位1.41510-131.49210-31.10010-175.55810-171.49210-101米千克力=9.807焦耳卡千瓦小时电子伏特百万电子伏特千克统一原子质量单位252.02.93010-46.58510216.58510151.17410-147.07410122.38910-82.77810-146.24210116.2421051.11310-24670.50.32393.76

16、610-78.46410138.46410121.50910-179.0921096.4141050.74571.67610251.67610192.98810-111.80010160.23892.77810-76.24210186.24210121.11310-176.70510911.16310-62.61310192.61310134.65910-172.80710108.60110512.24710252.27010194.00710112.41410163.82710-204.45010-26110-61.78310-361.07410-93.82710-144.45010-201

17、0611.78310-301.07410-32.14710162.49710105.61010355.610102916.02510263.56410-114.14510-179.3101089.3101.66010-2711瓦特秒=1焦耳=1牛顿米1厘米达因=1尔格单位换算电流电磁安培安培静安培1电磁安培=1102.99810101安培=0.112.9981091静安培=3.33610-113.33610-101电位、电动势电磁伏特伏特静伏特1电磁伏特=110-83.33610-111伏特=10813.33610-31静伏特=2.99810102.9981电阻电磁欧姆欧姆静欧姆1电磁欧姆=1

18、1091.11310-211欧姆=10911.11310-121静欧姆=8.98710208.98710111电容电磁法拉法拉微法拉静法拉1电磁法拉=110910158.98710201法拉=10-911068.98710111微法拉=10-1510-618.9871051静法拉=1.11310-211.11310-121.11310-61电感电磁亨利亨利微亨利毫亨利静亨利1电磁亨利=110-90.00110-61.11310-211亨利=109110610001.11310-121微亨利=100010-610.0011.11310-181毫亨利=1060.001100011.11310-151静亨利=8.98710208.98710118.98710178.98710141磁通量麦克斯韦韦 伯1麦克斯韦=110-81韦 伯=1081磁场高 斯特斯拉毫高斯1高斯=110-410001特斯拉=10411071毫高斯=0.00110-71