path: root/usr.bin/units/units.lib

/ $FreeBSD$

/ primitive units

m			!a!
kg			!b!
sec			!c!
coul			!d!
candela			!e!
dollar			!f!
bit			!h!
erlang			!i!
K			!j!

/ prefixes

yotta-			1e24
zetta-			1e21
exa-			1e18
peta-			1e15
tera-			1e12
giga-			1e9
mega-			1e6
myria-			1e4
kilo-			1e3
hecto-			1e2
deka-			1e1
deci-			1e-1
centi-			1e-2
milli-			1e-3
micro-			1e-6
nano-			1e-9
pico-			1e-12
femto-			1e-15
atto-			1e-18
zopto-			1e-21
yocto-			1e-24

semi-			.5
demi-			.5

Y-			yotta
Z-			zetta
E-			exa
P-			peta
T-			tera
G-			giga
M-			mega
k-			kilo
h-			hecto
da-			deka
d-			deci
c-			centi
m-			milli
n-			nano
p-			pico
f-			femto
a-			atto
z-			zopto
y-			yocto

/ binary prefixes introduced in 1999
exbi-			1152921504606846976
pebi-			1125899906842624
tebi-			1099511627776
gibi-			1073741824
mebi-			1048576
kibi-			1024

Ei-			exbi
Pi-			pebi
Ti-			tebi
Gi-			gibi
Mi-			mebi
Ki-			kibi

/ constants

fuzz			1
pi			3.14159265358979323846
c			2.99792458e+8 m/sec fuzz
g			9.80665 m/sec2
bigG			6.67390e-11 m3/kg/s2
au			1.49597871e+11 m fuzz
mole			6.022169e+23 fuzz
e			1.6021917e-19 coul fuzz
energy			c2
force			g
mercury			1.33322e+5 kg/m2-sec2
hg			mercury

/ 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			365.24219879 day fuzz
yr			year
month			1|12 year
us			microsec

/ Mass

gram			millikg
gm			gram
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

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
nmile			1852 m

acre			4840 yd2

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
shot			3|2 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

/ Energy Work

newton			kg-m/sec2
nt			newton
N			newton
joule			nt-m
cal			4.1868 joule

/ Electrical

coulomb			coul
C			coul
ampere			coul/sec
amp			ampere
watt			joule/sec
volt			watt/amp
ohm			volt/amp
mho			/ohm
farad			coul/volt
henry			sec2/farad
weber			volt-sec

/ Light

cd			candela
lumen			cd sr
lux			cd sr/m2

/ Wall Street Journal, July 2, 1993

$			dollar
argentinapeso		$
australiadollar		.66 $
bahraindinar		2.6522 $
brazilcruzeiro		.000019 $
britainpound		1.49 $
canadadollar		.77 $
czechkoruna		.034 $
chilepeso		.0025 $
chinarenminbi		.174856 $
colombiapeso		.001495 $
denmarkkrone		.15 $
ecuadorsucre		.000539 $
greatbritainpound	britainpound
greecedrachma		.0043 $
hongkongdollar		.13  $
hungaryforint		.011 $
indiarupee		.03211 $
indonesiarupiah		.0004782 $
israelshekel		.3642 $
japanyen		.0093 $
jordandinar		1.4682 $
kuwaitdinar		3.3173 $
lebanonpound		.000578 $
malaysiaringgit		.338 $
maltalira		2.6042 $
mexicopeso		.3205128 $
newzealanddollar	.539 $
norwaykrone		.139 $
pakistanrupee		.037 $
perunewsol		.5065 $
philippinespeso		.03738 $
polandzloty		.000059 $
saudiarabiariyal	.26702 $
singaporedollar		.6157 $
slovakkoruna		.034 $
southafricarand		.21 $
southkoreawon		.001 $
swedenkrona		.13 $
switzerlandfranc	.66 $
taiwandollar		.038285 $
thailandbaht		.03962 $
turkeylira		.0000929 $
unitedarabdirham	.2723 $
uruguaynewpeso		.246852 $
venezuelabolivar	.011 $

/ EMU currencies have constant exchange rate against Euro since 1.1.1999
austriaschilling	1|13.7603 euro
belgiumfranc		1|40.3399 euro
finlandmarkka		1|5.94573 euro
francefranc		1|6.55957 euro
germanymark		1|1.95583 euro
irelandpunt		1|0.787564 euro
italylira		1|1936.27 euro
netherlandsguilder	1|2.20371 euro
portugalescudo		1|200.482 euro
spainpeseta		1|166.386 euro

/ rate of euro aganist dollar is just suggestive
euro			1.17 $

mark			germanymark
bolivar			venezuelabolivar
peseta			spainpeseta
rand			southafricarand
escudo			portugalescudo
sol			perusol
guilder			netherlandsguilder
hollandguilder		netherlandsguilder
peso			mexicopeso
yen			japanyen
lira			italylira
rupee			indiarupee
drachma			greecedrachma
franc			francefranc
markka			finlandmarkka
sucre			ecuadorsucre
poundsterling		britainpound
cruzeiro		brazilcruzeiro

/ computer

baud			bit/sec
byte			8 bit
block			512 byte
kbyte			1024 byte
megabyte		1024 kbyte
gigabyte		1024 megabyte
meg			megabyte


/ Trivia

%			1|100
admiraltyknot		6080 ft/hr
apostilb		cd/pi-m2
are			1e+2 m2
arpentcan		27.52 mi
arpentlin		191.835 ft
astronomicalunit	au
atmosphere		1.01325e+5 nt/m2
atm			atmosphere
atomicmassunit		1.66044e-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
barrel			42 gal
barye			1e-1 nt/m2
bev			1e+9 e-volt
biot			10 amp
blondel			cd/pi-m2
boardfoot		144 in3
bolt			40 yd
bottommeasure		1|40 in
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
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
dipotre			/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			9.652e+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
geodeticfoot		british-ft
geographicalmile	1852 m
gilbert			7.95775e-1 amp
gill			1|4 pt
gross			144
gunterschain		22 yd
hand			4 in
hectare			1e+4 m2
hefnercandle		.92 cd
hertz			/sec
Hz			hertz
hogshead		2 barrel
hd			hogshead
homestead		1|4 mi2
horsepower		550 ft-lb-g/sec
hp			horsepower
hyl			gm force sec2/m
hz			/sec
imaginarycubicfoot	1.4 ft3
jeroboam		4|5 gal
karat			1|24
key			kg
khz			1e+3 /sec
kilderkin		18 gal
knot			nmile/hr
lambert			cd/pi-cm2
langley			cal/cm2
last			80 bu
league			3 mi
lightyear		c-yr
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
metriccarat		200 mg
mgd			megagal/day
mh			millihenry
mhz			1e+6 /sec
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
oersted			2.5e+2 pi-amp/m
oe			oersted
pace			36 in
palm			3 in
parasang		3.5 mi
parsec			au-radian/arcsec
pascal			nt/m2
pc			parsec
pennyweight		1|20 oz
pwt			pennyweight
percent			%
perch			rd
pf			picofarad
phot			lumen/cm2
pica			1|6 in
pieze			1e+3 nt/m2
pipe			4 barrel
point			1|72 in
poise			gm/cm-sec
pole			rd
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
rad			100 erg/gm
ream			500
registerton		100 ft3
rehoboam		156 floz
rhe			10 m2/nt-sec
rontgen			2.58e-4 curie/kg
rood			1.21e+3 yd
rope			20 ft
rutherford		1e+6 /sec
rydberg			1.36054e+1 ev
sabin			1 ft2
sack			3 bu
seam			8 bu
section			mi2
shippington		40 ft3
shorthundredweight	100 lb
shortquarter		25 lb
siemens			/ohm
sigma			microsec
skein			120 yd
skot			1e-3 apostilb
slug			lb-g-sec2/ft
span			9 in
spat			4 pi sr
spindle			14400 yd
square			100 ft2
stere			m3
sthene			1e+3 nt
stilb			cd/cm2
stoke			1e-4 m2/sec
stone			14 lb
strike			2 bu
surveyfoot		british-ft
surveyyard		3 surveyfoot
surveyorschain		66 ft
surveyorslink		66|100 ft
tablespoon		4 fldr
tbl			tablespoon
tbsp			tablespoon
teaspoon		4|3 fldr
tesla			weber/m2
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
tsp			teaspoon
tun			8 barrel
water			gram g / cc
wey			40 bu
weymass			252 lb
Xunit			1.00202e-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
planck			6.626e-34 joule-sec
hbar			1.055e-34 joule-sec
electronmass		9.1095e-31 kg
protonmass		1.6726e-27 kg
neutronmass		1.6606e-27 kg
V			volt
eV			e V
bohrradius		hbar2-C2/8.988e9 N m2-e2-electronmass
becquerel		1|3.7e10 curie
fresnel			1e12 hertz
statcoul		1|2.99792458e9 coul
statamp			1|2.99792458e9 amp
statvolt		2.99792458e2 volt
statcoulomb		statcoul
statampere		statamp
debye			3.336e-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 sidereal day
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
sievert			8.4 rontgen
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