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|
/ $OpenBSD: units.lib,v 1.99 2017/06/01 07:58:56 jmc Exp $
/ $NetBSD: units.lib,v 1.3 1996/04/06 06:01:04 thorpej Exp $
/ primitive units
m !a!
kg !b!
sec !c!
coul !d!
candela !e!
dollar !f!
bit !h!
erlang !i!
K !j!
/ International System of Units (SI) prefixes
yotta- 1e24
zetta- 1e21
exa- 1e18
peta- 1e15
tera- 1e12
giga- 1e9
mega- 1e6
kilo- 1e3
hecto- 1e2
deca- 1e1
deka- deca
deci- 1e-1
centi- 1e-2
milli- 1e-3
micro- 1e-6
nano- 1e-9
pico- 1e-12
femto- 1e-15
atto- 1e-18
zepto- 1e-21
yocto- 1e-24
/ SI symbols
Y- yotta
Z- zetta
E- exa
P- peta
T- tera
G- giga
M- mega
k- kilo
h- hecto
da- deca
d- deci
c- centi
m- milli
n- nano
p- pico
f- femto
a- atto
z- zepto
y- yocto
/ ISO/IEC 80000 binary prefixes
yobi- 1208925819614629174706176
zebi- 1180591620717411303424
exbi- 1152921504606846976
pebi- 1125899906842624
tebi- 1099511627776
gibi- 1073741824
mebi- 1048576
kibi- 1024
/ ISO/IEC 80000 symbols
Yi- yobi
Zi- zebi
Ei- exbi
Pi- pebi
Ti- tebi
Gi- gibi
Mi- mebi
Ki- kibi
/ Other prefixes
myria- 1e4
semi- .5
demi- .5
/ constants
fuzz 1
pi 3.14159265358979323846
c 2.99792458e+8 m/sec
g 9.80665 m/sec2
bigG 6.67390e-11 m3/kg/s2
AU 1.495978707e+11 m
au AU
mole 6.0221367e+23 fuzz
e 1.60217733e-19 coul fuzz
/ Next two to be multiplied by mass
energy c2
force g
mercury 1.3332239e+5 kg/m2-sec2
hg mercury
mmHg 0.001 m hg
mu 4.e-7 pi-N/A2
epsilon 1.0 /mu/c2
alpha 0.5 mu-c-e2/planck
planck 6.6260755e-34 joule-sec
hbar 0.5 planck/pi
electronmass 9.1093897e-31 kg
protonmass 1.6726231e-27 kg
neutronmass 1.6749286e-27 kg
/ dimensionless
radian .5 / pi
degree 1|180 pi-radian
circle 2 pi-radian
turn 2 pi-radian
revolution turn
rev turn
grade .9 degree
arcdeg 1 degree
arcmin 1|60 arcdeg
ccs 1|36 erlang
arcsec 1|60 arcmin
steradian radian2
sphere 4 pi-steradian
sr steradian
/ Time
second sec
s sec
minute 60 sec
min minute
hour 60 min
hr hour
day 24 hr
da day
week 7 day
year 3.15569259747e7 sec fuzz
yr year
month 1|12 year
ms millisec
us microsec
/ Mass
gram millikg
gm gram
mg milligram
metricton kilokg
/ Avoirdupois
lb .45359237 kg
pound lb
lbf lb g
ounce 1|16 lb
oz ounce
dram 1|16 oz
dr dram
grain 1|7000 lb
gr grain
shortton 2000 lb
ton shortton
longton 2240 lb
/ Apothecary
scruple 20 grain
apdram 60 grain
apounce 480 grain
appound 5760 grain
troypound appound
/ Length
meter m
micron micrometer
angstrom decinanometer
ao 0.25 alpha/pi/rydbergconst
inch 2.54 cm
in inch
foot 12 in
feet foot
ft foot
yard 3 ft
yd yard
rod 5.5 yd
rd rod
mile 5280 ft
mi mile
british 1200|3937 m/ft
/ Assume we do not want the prefix n- with mile
nmile 1852 m
acre 4840 yd2
ox acre/day
cc cm3
liter kilocc
ml milliliter
/ US Liquid
gallon 231 in3
imperial 1.20095
gal gallon
quart 1|4 gal
qt quart
pint 1|2 qt
pt pint
floz 1|16 pt
fldr 1|8 floz
/ US Dry
dry 268.8025 in3/gallon fuzz
peck 8 dry-quart
pk peck
bushel 4 peck
bu bushel
chaldron 36 bushel
/ British
brgallon 277.420 in3 fuzz
brquart 1|4 brgallon
brpint 1|2 brquart
brfloz 1|20 brpint
brpeck 554.84 in3 fuzz
brbushel 4 brpeck
/ Russian
berkovets 10 pood
pood 40 funt
funt 0.40951 kg
lot 1|32 funt
zolotnik 1|3 lot
dolya 1|96 zolotnik
rumile 7 verst
mezhevayaverst 2 verst
verst 1066.8 m
sazhen 1|500 verst
kosayasazhen 1|430.2 verst
arshin 1|1500 verst
/ is not exactly defined
ruell 16.54 in
liniya 1|10 in
vershok 1.75 in
pyad 7 in
vedro 12.3 liter
shtoff 1|10 vedro
vinebottle 1|16 vedro
vodkabottle 1|20 vedro
charka 1|100 vedro
shkalik 1|200 vedro
desyatina_state 109.3 are
desyatina_farmery 0.75 desyatina_state
sqverst 104.2 desyatina_state
sqarshin 1|21600 desyatina_state
/ Energy Work
newton kg-m/sec2
nt newton
N newton
joule nt-m
J joule
cal 4.1868 joule
/ Electrical
coulomb coul
C coul
ampere coul/sec
amp ampere
A amp
watt joule/sec
W watt
volt watt/amp
ohm volt/amp
mho /ohm
farad coul/volt
F farad
henry sec2/farad
H henry
weber volt-sec
Wb weber
/ Light
cd candela
lumen cd sr
lux cd sr/m2
/ http://www.federalreserve.gov/releases/h10/current/
/ as of May 26, 2017
$ dollar
australiadollar .7440 $
brazilreal 1|3.2575 $
canadadollar 1|1.3454 $
chinayuan 1|6.8525 $
denmarkkrone 1|6.6623 $
euro 1.1170 $
hongkongdollar 1|7.7923 $
indiarupee 1|64.5000 $
japanyen 1|111.3000 $
malaysiaringgit 1|4.2670 $
mexicopeso 1|18.4990 $
newzealanddollar .7055 $
norwaykrone 1|8.3935 $
singaporedollar 1|1.3816 $
southafricarand 1|12.8700 $
southkoreawon 1|1118.6700 $
srilankarupee 1|152.7500 $
swedenkrona 1|8.6926 $
switzerlandfranc 1|0.9753 $
taiwandollar 1|30.1800 $
thailandbaht 1|34.0400 $
unitedkingdompound 1.2795 $
venezuelabolivar 1|9.9750 $
/ The Economist, May 24, 2017
argentinapeso 1|16.1 $
chilepeso 1|676 $
colombiapeso 1|2904 $
czechkoruna 1|23.6 $
egyptpound 1|18.1 $
hungaryforint 1|275 $
icelandkrona 1|101 $
indonesiarupiah 1|13308 $
israelshekel 1|3.59 $
pakistanrupee 1|105 $
perunuevosol 1|3.28 $
philippinespeso 1|50.0 $
polandzloty 1|3.74 $
russiarouble 1|56.4 $
saudiarabiariyal 1|3.75 $
turkeylira 1|3.57 $
ukrainehryvnia 1|26.3 $
vietnamdong 1|22680 $
/ EMU currencies have constant exchange rate against Euro since 1.1.1999
austriaschilling 1|13.7603 euro
belgiumfranc 1|40.3399 euro
cypruspound 1|0.585274 euro
finlandmarkka 1|5.94573 euro
francefranc 1|6.55957 euro
germanymark 1|1.95583 euro
greecedrachma 1|340.750 euro
irelandpunt 1|0.787564 euro
italylira 1|1936.27 euro
luxembourgfranc 1|40.3399 euro
maltalira 1|0.429300 euro
netherlandsguilder 1|2.20371 euro
portugalescudo 1|200.482 euro
spainpeseta 1|166.386 euro
slovakiakoruna 1|30.1260 euro
sloveniatolar 1|239.640 euro
/ currency aliases
chinarenminbi chinayuan
markka finlandmarkka
franc francefranc
mark germanymark
drachma greecedrachma
rupee indiarupee
lira italylira
yen japanyen
peso mexicopeso
guilder netherlandsguilder
hollandguilder netherlandsguilder
sol perunuevosol
escudo portugalescudo
rand southafricarand
peseta spainpeseta
britainpound unitedkingdompound
greatbritainpound unitedkingdompound
poundsterling unitedkingdompound
bolivar venezuelabolivar
/ ISO 4217
ARS argentinapeso
AUD australiadollar
BRL brazilreal
CAD canadadollar
CHF switzerlandfranc
CLP chilepeso
CNY chinayuan
COP colombiapeso
CZK czechkoruna
DKK denmarkkrone
EGP egyptpound
EUR euro
GBP unitedkingdompound
HKD hongkongdollar
HUF hungaryforint
IDR indonesiarupiah
INR indiarupee
ILS israelshekel
ISK icelandkrona
JPY japanyen
KRW southkoreawon
LKR srilankarupee
MXN mexicopeso
MYR malaysiaringgit
NOK norwaykrone
NZD newzealanddollar
PEN perunuevosol
PHP philippinespeso
PKR pakistanrupee
PLN polandzloty
RUB russiarouble
SAR saudiarabiariyal
SEK swedenkrona
SGD singaporedollar
THB thailandbaht
TRY turkeylira
TWD taiwandollar
UAH ukrainehryvnia
USD dollar
VEF venezuelabolivar
VND vietnamdong
ZAR southafricarand
/ computer
baud bit/sec
byte 8 bit
/ Not necessarily true on all systems!
word 2 byte
block 512 byte
kbyte 1024 byte
megabyte 1024 kbyte
gigabyte 1024 megabyte
meg megabyte
/ Trivia
% 1|100
abampere 10 ampere
admiraltyknot 6080 ft/hr
apostilb cd/pi-m2
asb apostilb
are 1e+2 m2
arpentcan 27.52 mi
arpentlin 191.835 ft
astronomicalunit AU
atmosphere 1.01325e+5 nt/m2
atm atmosphere
atomicmassunit 1.6605402e-27 kg fuzz
amu atomicmassunit
bag 94 lb
bakersdozen 13
bar 1e+5 nt/m2
barie 1e-1 nt/m2
barleycorn 1|3 in
barn 1e-28 m2
/ oil barrel, nothing else
barrel 42 gal
barye 1e-1 nt/m2
baryl microbar
becquerel /s
bev 1e+9 e-volt
biot 10 amp
blondel cd/pi-m2
boardfoot 144 in3
/ Defn of bolt is also an area, but depends on type of cloth
bolt 40 yd
bottommeasure 1|40 in
Bq becquerel
britishthermalunit 1.05506e+3 joule fuzz
btu britishthermalunit
refrigeration 12000 btu/ton-hour
buck dollar
cable 720 ft
caliber 1e-2 in
calorie cal
carat 205 mg
caratgold 1|24
cent centidollar
cental 100 lb
centesimalminute 1e-2 grade
centesimalsecond 1e-4 grade
century 100 year
cfs ft3/sec
chain 66 ft
Ci curie
circularinch 1|4 pi-in2
circularmil 1e-6|4 pi-in2
clusec 1e-8 mm-hg m3/s
coomb 4 bu
cord 128 ft3
cordfoot cord
crith 9.06e-2 gm
cubit 18 in
cup 1|2 pt
curie 3.7e+10 /sec
dalton amu
decade 10 yr
diopter dioptre
dioptre /m
displacementton 35 ft3
doppelzentner 100 kg
dozen 12
drop .03 cm3
dyne cm-gm/sec2
electronvolt e-volt
ell 45 in
engineerschain 100 ft
engineerslink 100|100 ft
equivalentfootcandle lumen/pi-ft2
equivalentlux lumen/pi-m2
equivalentphot cd/pi-cm2
erg cm2-gm/sec2
ev e-volt
faraday 9.6485309e+4 coul
fathom 6 ft
fermi 1e-15 m
fifth 4|5 qt
fin 5 dollar
finger 7|8 in
firkin 9 gal
footcandle lumen/ft2
footlambert cd/pi-ft2
fortnight 14 da
franklin 3.33564e-10 coul
frigorie kilocal
furlong 220 yd
galileo 1e-2 m/sec2
gamma 1e-9 weber/m2
gauss 1e-4 weber/m2
G gauss
geodeticfoot british-ft
geographicalmile 1852 m
gilbert 2.5 amp/pi
gill 1|4 pt
gray J/kg
gross 144
gunterschain 22 yd
Gy gray
hand 4 in
hartree 2 rydberg
hectare 1e+4 m2
hefnercandle .92 cd
hertz /sec
Hz hertz
hogshead 2 barrel
hd hogshead
homestead 1|4 mi2
/ horsepower is not uniquely defined
horsepower 735.50 watt
hp horsepower
hubble 1e9 ly
hyl gm force sec2/m
hz /sec
imaginarycubicfoot 1.4 ft3
jansky 1e-26 W/m2-Hz
jeroboam 4|5 gal
Jy jansky
karat 1|24
kayser /cm
kcal kilocal
kcalorie kilocal
key kg
kilderkin 18 gal
knot nmile/hr
kn knot
lambert cd/pi-cm2
Lb lambert
langley cal/cm2
last 80 bu
league 3 mi
lightyear c-yr
ly lightyear
line 1|12 in
link 66|100 ft
longhundredweight 112 lb
longquarter 28 lb
lusec 1e-6 mm-hg m3/s
m_earth 5.97223e24 kg
m_moon 7.34e22 kg
m_sun 1.98843e30 kg
mach 331.46 m/sec
magnum 2 qt
marineleague 3 nmile
maxwell 1e-8 weber
Mx maxwell
metriccarat 200 mg
mgd megagal/day
mh millihenry
mil 1e-3 in
millennium 1000 year
minersinch 1.5 ft3/min
minim 1|60 fldr
mo month
mpg mile/gal
mph mile/hr
nail 1|16 yd
nauticalmile nmile
nit cd/m2
noggin 1|8 qt
nox 1e-3 lux
ns nanosec
oersted 2.5e+2 amp/m/pi
Oe oersted
pace 36 in
palm 3 in
pair 2
parasang 3.5 mi
parsec AU-radian/arcsec
pascal nt/m2
Pa pascal
pc parsec
pennyweight 1|20 oz
pwt pennyweight
percent %
perch rd
phot lumen/cm2
pica 1|6 in
pieze 1e+3 nt/m2
pipe 4 barrel
point 1|72 in
poise gm/cm-sec
P poise
pole rd
pond 9.80665e-3 nt
poundal ft-lb/sec2
pdl poundal
proof 1|200
psi lb-g/in2
quarter 9 in
quartersection 1|4 mi2
quintal 100 kg
quire 25
r_earth 6378.1370 km
r_moon 0.2725076 r_earth
rackunit 1.75 in
rad 100 erg/gm
ream 500
registerton 100 ft3
rehoboam 156 floz
rhe 10 m2/nt-sec
rem 0.01 J/kg
rontgen 2.58e-4 curie/kg
roentgen rontgen
R roentgen
rood 1.21e+3 yd
rope 20 ft
RU rackunit
rutherford 1e+6 /sec
rydbergconst 0.5 electronmass-c-alpha2/planck
rydberg rydbergconst-planck-c
sabin 1 ft2
sack 3 bu
score 20
seam 8 bu
section mi2
shippington 40 ft3
shorthundredweight 100 lb
shortquarter 25 lb
siemens /ohm
sievert J/kg
sigma microsec
skein 120 yd
skot 1e-3 apostilb
slug lb-g-sec2/ft
smoot 67 in
span 9 in
spat 4 pi sr
spindle 14400 yd
square 100 ft2
stere m3
sthene 1e+3 nt
stilb cd/cm2
sb stilb
stoke 1e-4 m2/sec
stone 14 lb
strike 2 bu
surveyfoot british-ft
surveyyard 3 surveyfoot
surveyorschain 66 ft
surveyorslink 66|100 ft
Sv sievert
tablespoon 4 fldr
teaspoon 4|3 fldr
tesla weber/m2
T tesla
therm 1e+5 btu
thermie 1e+6 cal
timberfoot ft3
tnt 4.6e+6 m2/sec2
tonne 1e+6 gm
torr mm hg
township 36 mi2
tun 8 barrel
water gram g / cc
/ pumps are often in "feet head", assuming feet of water
head water
wey 40 bu
weymass 252 lb
Xunit 1.00206e-13 m
k 1.38047e-16 erg/degC
degC K
kelvin K
brewster 1e-12 m2/newton
degF 5|9 degC
degreesrankine degF
degrankine degreesrankine
degreerankine degF
degreaumur 10|8 degC
drachm 60 grain
poncelet 100 kg m g / sec
denier .05|450 gram / m
tex .001 gram / m
englishell 45 inch
scottishell 37.2 inch
flemishell 27 inch
V volt
eV ev
bohrradius ao
fresnel 1e12 hertz
statcoul 1|2.99792458e9 coul
statamp 1|2.99792458e9 amp
statvolt 2.99792458e2 volt
statcoulomb statcoul
statampere statamp
debye 3.33564e-30 coul-m
pulsatance 2 pi/sec
rpm rev/minute
rps rev/sec
kilohm kiloohm
megohm megaohm
siderealyear 365.256360417 day
siderealday 23.934469444 hour
siderealhour 1|24 siderealday
lunarmonth 29.5305555 day
synodicmonth lunarmonth
siderealmonth 27.32152777 day
tropicalyear year
solaryear year
lunaryear 12 lunarmonth
cran 37.5 brgallon
kip 1000 lbf
frenchfoot 16|15 ft
frenchfeet frenchfoot
toise 6 frenchfeet
candle 1.02 candela
militarypace 2.5 feet
metre meter
litre liter
gramme gram
iudiptheria 62.8 microgram
iupenicillin .6 microgram
iuinsulin 41.67 microgram
cottonyarncount 2520 ft/pound
linenyarncount 900 ft/pound
worstedyarncount 1680 ft/pound
metricyarncount meter/gram
jewlerspoint 2 milligram
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