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附录一法定单位计量及单位换算1.法定基本单位量的名称单位名称单位符号长度米m质量千克（公斤）kg时间秒s电流安培A热力学温度开尔文K物质的量摩尔mol光强度坎德拉cd2.常用物理量及单位量的名称量的符号单位符号量的名称量的符号单位符号质量mkg黏度Pa・s力（重量）FN功、能、热W、E、QJ压强（压力）PPa功率PW密度Pkg/m33.基本常数与单位名称符号数值重力加速度（标）g9.80665m/s2波尔兹曼常数k1.38044x10-25J/K气体常数R8.314J/(mol・K)气体标准摩尔比容Vo22.4136m3/kmol阿佛加德罗常数NA6.02296x1023mol-1斯蒂芬-波尔兹曼常数a5.669x10-8W/(m2・K4)光速（真空中）c2.997930x108m/s4.单位换算（1）质量千克(kg)吨⑴磅⑹zt'11112）长度米(m)英寸(in)英尺(ft)码yd)zt'0.304801210.333330.914436313）面积米2厘米2英寸2英尺2(m2)(cm2)(in2)(ft2)6.4516x0-46.451610.0069440.9290929.0301441注：1平方公里=100公顷=10,000公亩=106平方米4）容积米3(m3)A7升Lzt'英尺3（ft3）英加仑(UKgal)美加仑(USgal)0.0283228.316116.22887.480480.0045464.54590.1605411.200950.0037853.78530.133680.832715）流量米3/秒升/秒米3/时美加仑/分英尺3/小时英尺3/秒(m3/s)(l/s)(m3/h)(USgal/min)(ft3/h)(ft3/s)6.309x10-50.063090.227118.0210.0022287.866x10-67.866x10-30.028320.1246812.788x10-40.0283228.32101.94448.8360016）力（重量）牛顿（N）公斤（kgf）磅（lb）达因（dyn）磅达（pdl）4.4480.45361444.832.1710-31.02x10-62.248X10-6138250.7233x10-40.13830.014100.0331017）密度千克咪3克/厘米3磅/英尺3磅/加仑(Kg/m3)(g/cm3)(lb/ft3)(lb/USgal)16.020.0160210.1337119.80.11987.48118）压强巴（bar）公斤（力）/厘米2（kgf/cm2）磅/英寸2（lb/in2）标准大气压（atm）水银柱水柱毫米(mm)英寸(in)米（m）英寸29.5310511.019714.500.9869750.028.9610.197401.89.807x1040.9807114.220.9678735.52.03610.01394.068950.068950.0703110.0680451.7129.920.703727.701.0133x1051.01331.033214.7176039.3710.34407.21.333x1051.3331.36019.341.3161000113.61535.673.386x1050.033860.034530.49120.0334225.400.345613.612.89397980.097980.099911.4210.0967073.490.0734139.37248.90.0024890.0025380.036090.0024561.86790.0254注：有时“巴”亦指1［达因/厘米2］，即相当于表中之1/106（亦称“巴利”）；1［公斤（力）/厘米2］=98100［牛顿/米2］。毫米水银柱亦称“托”（Torr）。9）动力黏度（通称黏度）帕•秒Pa・s)泊P)zt'厘泊(cP)千克/(米•秒)[kg/(m・s)]千克/(米•时)[kg/(m・h)]磅/（英尺•秒）［lb/（ft・s）］公斤（力）•秒（kgf•s/m2）0.111000.13600.067200.010210-30.0110.0013.66.720x10-40.102x10-31101000136000.67200.1022.778x10-42.778x10-30.27782.778x10-411.8667x10-40.283x10-41.488114.8811488.11.4881535710.15199.8198.198109.810.353x1056.59110）运动黏度米2/秒［沲］（斯托克）米2/时英尺2/秒英尺2/时(m2/s)厘米2/秒（cm2/s）(m2/h)(ft2/s)(ft2/h)10-410.3601.076x10-33.8752.778x10-42.77812.990x10-310.769.29x10-2929.0334.5136000.2581x10-40.25810.09292.778x10-41注：1厘沲=0.01沲11）能量（功）焦⑴公斤（力）•米（kgf・m）千瓦•时(kW・h)马力•时千卡(kcal)英热单位（Btu）英尺•磅(ft・lb)9.806712.724x10-63.653x10-62.342xX10-39.296x10-37.2333.6xX1063.671x10511.3410860.034132.655x102.685x106273.8x1030.74571641.3325441.981x104.1868x103426.91.1622x10-31.5576x10-313.96830871.055x103107.582.930x10-43.926x10-40.25201778.11.35580.13830.3766x10-60.5051x10-63.239xX10-41.285x10-31注：1尔格=1［达因•厘米］=10-7［焦］12）功率瓦w)千瓦(kW)公斤（力）•米/秒（kgf-m/s）英尺•磅/秒(ft・lb/s)马力千卡/秒(kcal/s)英热单位/秒（Btu/s）1031101.97735.561.34100.23890.94869.80670.009806717.233140.013150.0023420.0092931.35580.00135580.1382510.00181820.00032890.0012851745.690.7456976.037555010.178030.7067541864.1860426.85308...