计量单位与换算公式

更新时间:2023-07-06 09:03:49 阅读：评论：0

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Ω=7.292*105s-1	重力 g45=980.616cm s**(-2)
太阳常数=1.96ly min**(-1)	水分子量mw=18.016g mol**(-1)
干空气气体常数=2.8704106erg g(-1) K*(-1)
干空气平均分子量m=28.966g mol**(-1)
干空气定压比热 cp=7R/2=0.240 cal g(-1) K(-1)
干空气定容比热 cv=5R/2=0.171 cal g(-1) K(-1)
Stefan-Boltzmann constant=8.13210(-11)ly K(-4) min*(-1)
porn time纬度平行于赤道，1度约 111branching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)=racos(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\|17 year old

气压：1 atmosphere pressure=1013.25hPa=760.00mm of mercury(Hg)=29.921 inches(Hg)≒14.7lb/sq.inch
速度：1m/s = 1.94knots = 2.24miles/hr = 3.28ft/s = 3.60 km/hr
长度：1浬nautical mile=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cubic meter=1irst公秉=1000公升liter=219.98加仑gallon(UK)=264.171gallon(USA)
热量：1 calorie=4.18710*7 ergs

太阳辐射单位换算 --近紫外线(约0.3-0.4μ)至近红外线(约3~4μ)间之波长
积算量：1MJ‧m-2=23.9cal‧cm-2=0.278 kw‧h‧m-2
强度：1cal‧cm-2‧min-1=0.698kw‧m-2	1kw‧m-2=1.431cal‧cm-2‧min-1
1J=1w‧s	1ly=1cal‧cm-2= 0.0428MJ‧m-2
IPS(International Pyrheliometric Scale)-1956观测值=Smithsonian观测值 × 0.98
WRR(World Radiometric Reference) 观测值= IPS-1956观测值 × 1.022 (CWB测报作业规范)

长度(英美制) Lengths *

1 foot (ft.) = 12 inches (in.)

1 yard (yd) = 3 feet

1 rod = 5.5 yards

1 fathom = 6 feet

1 furlong = 40 rods = 1/8 mile

1 mile (mi.) = 1760 yards = 5280 feet

1 nautical mile = 1.15 miles = 6076.1 feet

1 land league = 3 miles

1 marine league = 3 nautical miles

重量(英美制) Weights *

Avoirdupois Measures

1 grain = 0.0648 grams (g)

1 ounce (oz.) = 437.5 grains

1 pound (lb.) = 16 ounces

1 ton = 2000 pounds

1 long ton = 2240 pounds

Troy Measures

1 grain = 0.0648 grams (g)

1 carat = 3.086 grains = 0.2 grams

1 pennyweight = 24 grains

1 troy ounce = 480 grains

1 troy pound = 12 troy ounces

Apothecary Measures

1 grain = 0.0648 grams (g)

1 scruple = 20 grains

1 dram = 3 scruples

1 apothecary ounce = 8 drams

1 apothecary pound = 12 apothecary ounces

体积 Volumes *

液体计量 Liquid Measures

1 tablespoon (tbsp or T) = 3 teaspoons (tsp or t)

1 fluid ounce (fl oz) = 2 tablespoons = 1.805 in3

1 cup (c) = 8 fl. oz.

1 pint (pt) = 16 fl. oz. = 28.88 in3

1 quart (qt) = 2 pints = 57.75 in3

1 gallon (gal) = 4 quarts

1 barrel of petroleum = 42 gal.

1 barrel of liquid = 31 gal.

固体计量 Dry Measures

1 in3 = 16.387 cm3

1 ft3 = (12 in)3 = 1728 in3

1 ydcitrus aurantium3 = (3 ft)3 = 27 ft3

1 dry pint (pt) = 33.60 in3

1 dry quart (qt) = 2 dry pints = 67.2 in3

1 peck = 8 dry quarts

1 bushel = 4 pecks

1 cord = 128 ft3

SI (Metric) Prefixes *

Small Values

Large Values

Prefix

Abbreviation

Value

Prefix

Abbreviation

Value

分(十分) Deci

10-1

十 Deca

101

厘(百分) Centi

10-2

百 Hecto

102

毫 Milli

10-3

千 Kilo

103

微 Micro

μ (ppm)

10-6百万分

百万Mega

106

奈(极微)Nano

n (ppb)

10-9十亿分

吉(十亿)Giga

109

皮(微微)Pico

王若琳好听的歌10-12兆分

兆Tera

1012

飞 Femto

10-15

拍Peta (京:1016)

1015

阿 Atto

10-18

艾Exa

1018

介 Zepto

10-21

皆Zetta

1021

攸Yocto

查韦斯葬礼10-24

佑Yotta

1024

其它：中国古称

垓	秭	穰	沟	涧	正	载	极
1020	1024	1028	1032	1036stubborn	1040	1044	1048

参考名称：

恒河沙	阿僧祇	那由他	不可思议	无量	大数
1052	1056	1060	1064	1068	1072

换算 *
built to last 英制 -> 公制
1 inch = 2.540 cm	1 foot = 0.3048 m
1 yard = 0.9144 m	1 mile = 1.6093 km
1 pound = 0.4536 kg	1 fl. oz. = 29.574 milliliters
1 qt = 0.9464 liters	1 gal = 3.785 liters
公制宝莲灯小游戏 -> 英制
1 cm = 0.3937 in.	1 m = 3.28 feet
1 m = 1.094 yards	1 km = 0.6214 mi.
1 kg = 2.205 pounds	1 milliliter = 0.03381 fl. oz.
1 liter = 1.057 qt.	1 liter = 0.2642 gal.