计量单位与换算公式

1、计量单位与换算公式回电子表格常数与换算地球赤道半径=6378.39km地球两极半径=6356.91km地球旋转角速度Q=7.292*105s-1重力g45=980.616cms*(-2)太阳常数=1.96lymin*(-1)水分子量mw=18.016gmol*(-1)干空气气体常数=2.8704*10*6ergg*(-1)K*(-1)干空气平均分子量m=28.966gmol*(-1)干空气定压比热cp=7R/2=0.240calg*(-1)K*(-1)干空气定容比热cv=5R/2=0.171calg*(-1)K*(-1)Stefan-Boltzmannconstant=8.132*10*(-1

2、1)lyK*(-4)min*(-1)纬度平行于赤道，1度约Ill公里，经度因为在两极相会，故自赤道处之1度约111公里渐向两极缩为0公里，在台北(北纬24度)附近，1经度约为101公里。两点间之距离公式列如下：电子表格两点间距离D(x1,y1,x2,y2)=r*acos(sin(x1)*sin(x2)+cos(x1)*cos(x2)*cos(y1-y2)x,y是纬度，经度的弧度单位，r是地球半径在同经度上时D=r*|x1-x2|气压:1atmospherepressure=1013.25hPa=760.00mmofmercury(Hg)=29.921inches(Hg)=14.7lb/sq.i

3、nch速度：1m/s=1.94knots=2.24miles/hr=3.28ft/s=3.60km/hr长度:1浬nauticalmile=1.150776哩mile=6076呎feet=1852公尺meter=6100台尺=72913吋inch重量：1台斤=0.6公斤kilogram=1.2市斤=1.3227磅pound=21.16434英两ounce面积：1公顷=100公亩=10000平方公尺sq.meter=2.471英亩acre=1.0310甲=3025坪=10.31分容积：1立方公尺cubicmeter=1公秉=1000公升liter=219.98加仑gallon(UK)=264.1

4、71gallon(USA)热量：1calorie=4.187*10*7ergs太阳辐射单位换算-近紫外线(约口)至近红外线(约34口)间之波长积算量：1MJ?m-2=23.9ca?cm-2=0.278kw?h?m-2强度：Ical?cm-2?min-1=0.698kw?m-2Ikw?m-2=1.431cal?cm-2?min-11J=1w?s1ly=1cal?cm-2=0.0428MJ?m-2IPS(InternationalPyrheliometricScale)-1956观测值=Smithsonian观测值x0.98WRR(WorldRadiometricReferenee)观测值=IPS

5、-1956观测值x1.022(CWB测报作业规范)长度（英美制）Lengths*1foot(ft.)=12inches(in.)1yard(yd)=3feet1rod=5.5yards1fathom=6feet1furlong=40rods=1/8mile1mile(mi.)=1760yards=5280feet1nauticalmile=1.15miles=6076.1feet1landleague=3miles1marineleague=3nauticalmiles重量（英美制）Weights*AvoirdupoisMeasures1grain=0.0648grams(g)1ounce(o

6、z.)=437.5grains1pound(lb.)=16ounces1ton=2000pounds1longton=2240poundsTroyMeasures1grain=0.0648grams(g)1carat=3.086grains=0.2grams1pennyweight=24grains1troyounce=480grains1troypound=12troyouncesApothecaryMeasures1grain=0.0648grams(g)1scruple=20grains1dram=3scruples1apothecaryounce=8drams1apothecarypo

7、und=12apothecaryounces体积Volumes*液体计量LiquidMeasures1tablespoon(tbsporT)=3teaspoon；(tsport)in1cup(c)=8fl.oz.1pint(pt)=16fl.oz.=28.88in31quart(qt)=2pints=57.75in31gallon(gal)=4quarts1barrelofpetroleum=42gal.1barrelofliquid=31gal.固体计量DryMeasures331in3=16.387cm31ft3=(12in)3=1728in31yd3=(3ft)3=27ft31drypi

8、nt(pt)=33.60in331dryquart(qt)=2drypints=67.2in1peck=8dryquarts1bushel=4pecks1cord=128ft3SI(Metric)Prefixes*SmallValuesLargeValuesPrefixAbbreviationValuePrefixAbbreviationValue分（十分）Decid10-1十Decada101厘（百分）Centic10-2百Hectoh102毫Millim10-3千Kilok103微Micro卩(ppm)10-6百万分白力MegaM106奈（极n(ppb)10-9十亿吉（十亿）GigaG10

9、9参考名称:垓秭穰沟涧正载极10201024102810321036104010441048恒河沙阿僧祇那由他不可思议无量大数105210561060106410681072温度Temperature换算*英制-公制1inch=2.540cm1foot=0.3048m1yard=0.9144m1mile=1.6093km1pound=0.4536kg1fl.oz.=29.574milliliters1qt=0.9464liters1gal=3.785liters公制-英制1cm=0.3937in.1m=3.28feet1m=1.094yards1km=0.6214mi.1kg=2.205pounds1milliliter=0.03381fl.oz.1liter=1.057qt.1liter=0.2642gal.理想气体状态方程EquationofStateofanIdealGaspV=mRTifp=1013.25mb,V=22.415*10*3cm*3,T=273.16KR*=mR=universalgasconstant=8.3144*10*7ergmol*-1k*-1财务公式FinancialFormulasSavingsPlan（RegularPayments）SavingsPlanFormulaSolvedforPaymentsLoanPa