计量单位与换算公式
正月十五元宵节-搞笑版
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*10
5
s
-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=2.8704*10**6erg 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=7R2=0.240 cal g**(-1) K**(-1)
干空气定容比热
cv=5R2=0.171 cal g**(-1) K**(-1)
Stefan-
Boltzmann constant=8.132*10**(-11)ly K**(-4)
min**(-1)
纬度平行于赤道，1度约
111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,y
2)=r*acos(sin(x1)*sin(x2)+cos(x1)*cos(x2)*cos(y1-y
2))
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：1 atmosphere
pressure=1013.25hPa=760.00mm of mercury(Hg)=29.921
inches(Hg)≒
速度：1ms = 1.94knots =
2.24mileshr = 3.28fts = 3.60 kmhr
长度：1浬nautical mile=1.150776哩mile=6076呎feet=185
2公尺meter=6100台
尺=72913吋inch
重量：1台斤=0.6公斤kil
ogram=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=2.471英亩acre=1.0310甲=3025
坪=10
.31分
容积：1立方公尺cubic meter=1公秉=1000公升liter=219.9
8加仑
gallon(UK)=264.171gallon(USA)
热量：1
calorie=4.187*10**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‧
1kw‧m
-2
=1.431cal‧cm
-
2
‧min
-1
m
-2
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 = 18
mile 1 mile (mi.) = 1760 yards = 5280 feet
1
nautical mile = 1.15 miles = 6076.1
1 land
league = 3 miles
feet
1 marine league = 3
nautical miles
重量(英美制) Weights *
1 grain
= 0.0648 grams (g)
Avoirdupois Measures
1
ounce (oz.) = 437.5 grains 1 pound (lb.) = 16
ounces
1 ton = 2000 pounds 1 long ton = 2240
pounds
1 grain = 0.0648 grams (g)
Troy
Measures
1 carat = 3.086 grains = 0.2 grams 1
pennyweight = 24 grains
1 troy ounce = 480
grains 1 troy pound = 12 troy ounces
1 grain =
0.0648 grams (g)
Apothecary Measures
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
1 fluid ounce (fl oz) = 2 tablespoons = 1.805
in
3
teaspoons (tsp or t)
1 cup (c)
= 8 fl. oz. 1 pint (pt) = 16 fl. oz. = 28.88
in
3
1 quart (qt) = 2 pints = 57.75
in
3
1 gallon (gal) = 4 quarts
1 barrel
of petroleum = 42 gal. 1 barrel of liquid = 31
gal.
固体计量 Dry Measures
1 in
3
=
16.387 cm
3
1 ft
3
= (12
in)
3
= 1728 in
3
1 yd
3
= (3 ft)
3
= 27 ft
3
1 dry pint
(pt) = 33.60 in
3
1 dry quart (qt) = 2
dry pints = 67.2
1 peck = 8 dry quarts
in
3
1 bushel = 4 pecks 1 cord =
128 ft
3
SI (Metric) Prefixes *
Small Values Large Values
Prefix
Abbreviation Value Prefix Abbreviation Value
分(十分)
d 10
-1
十 Deca da 10
1
Deci
厘(百分) c 10
-2
百 Hecto h
10
2
Centi
毫 Milli m
微
Micro μ (ppm)
奈(极
微)Nano
皮(微
微)Pico
n (ppb)
p
10
-3
千 Kilo
10
-6
百万
百万Mega
分
10
-9
十亿
吉(十亿)Giga
分
10
-12
兆分 兆Tera
10
-15
10
-18
10
-21
10
-24
拍Peta (京:10
16
)
k
M
G
T
P
10
3
10
6
10
9
10
12
10
15
飞 Femto f
阿 Atto
a
介
Zepto
z
攸Yocto
y
Z
10
18
艾Exa
E 10
21
皆Zetta
Y
10
24
佑Yotta
其它：中国古称
垓 秭 穰 沟 涧 正 载 极
10
20
10
24
10
28
10
32
10
36
10
40
10
44
10
48
参考名称：
恒河阿僧那由不可思无量 大数
沙 祇 他 议
10
52
10
56
10
60
10
64
10
68
10
72
换算 *
英制 -> 公制
1 foot = 0.3048 m
1 mile = 1.6093 km
1
fl. oz. = 29.574 milliliters
1 gal = 3.785
liters
公制 -> 英制
1 m = 3.28 feet
1 km =
0.6214 mi.
1 milliliter = 0.03381 fl. oz.
1 liter = 0.2642 gal.
1 inch =
2.540 cm
1 yard = 0.9144 m
1 pound =
0.4536 kg
1 qt = 0.9464 liters
1 cm =
0.3937 in.
1 m = 1.094 yards
1 kg = 2.205
pounds
1 liter = 1.057 qt.
温度
Temperature
KC273.15
理想气体状态方程 Equation of State of an Ideal Gas
9
FC32
5
5
C(F32)
9
pV = mRT
if p=1013.25mb, V=22.415*10**3cm**3,
T=273.16
゜
K
R*=mR=universal
gas constant =8.3144*10**7 erg mol**-1 k**-1
财务公式 Financial Formulas *
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APR<
br>
AP
1
APe
(APRY)
n
Savings Plan
(Regular Payments)
Savings Plan Formula
Solved for Payments
Loan Payment Formula
(Installation Loans)
nY
APR
APR
APR
P
11
n
n
n
PMTA
PMT
APMT
nY
nY
APR
APR
APR
1
1
1
1
n
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br>
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