HCS Inc. - Information Databases
Apothecary
Avoirdupois
British
Constants
Dimensionless
Electrical
Energy Work
Length
Light
Mass
Money
Time
Trivia
US Liquid
US Dry
Units of Measure
/ dimensions
m *a*
kg *b*
sec *c*
coul *d*
candela *e*
dollar *f*
radian *g*
bit *h*
erlang *i*
degC *j*
Constants
/ constants
fuzz 1
pi 3.14159265358979323846
c 2.997925+8 m/sec fuzz
g 9.80665 m/sec2
au 1.49597871+11 m fuzz
mole 6.022169+23 fuzz
e 1.6021917-19 coul fuzz
energy c2
force g
mercury 1.33322+5 kg/m2-sec2
hg mercury
Dimensionless
/ dimensionless
degree 1|180 pi-radian
circle 2 pi-radian
turn 2 pi-radian
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
/ 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
ms millisec
us microsec
Mass
/ Mass
gram millikg
gm gram
mg milligram
metricton kilokg
Avoirdupois
/ Avoirdupois
lb .45359237 kg
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
/ Apothecary
scruple 20 grain
apdram 60 grain
apounce 480 grain
appound 5760 grain
Length
/ Length
meter m
cm centimeter
mm millimeter
km kilometer
nm nanometer
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 1852m
acre 4840 yd2
cc cm3
liter kilocc
ml milliliter
US Liquid
/ 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
/ US Dry
dry 268.8025 in3/gallon fuzz
peck 8 dry-quart
pk peck
bushel 4 peck
bu bushel
British
/ 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
/ Energy Work
newton kg-m/sec2
nt newton
joule nt-m
cal 4.1868 joule
Electrical
/ Electrical
coulomb 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
/ Light
cd candela
lumen cd sr
lux cd sr/m2
/ PDP-11
baud bit/sec
byte 8 bit
word 2 byte
block 512 byte
K 1024 word
tc 578 block
rktrack 12 block
rkcylinder 2 rktrack
rk 203 rkcylinder
rptrack 10 block
rpcylinder 20 rptracks
rp 406 rpcylinder
rftrack 8 block
rfshoe 8 rftrack
rfdisk 16 rfshoe
rf 2 rfdisk
Trivia
/ Trivia
% 1|100
admiraltyknot 6080 ft/hr
apostilb cd/pi-m2
are 1+2 m2
arpentcan 27.52 mi
arpentlin 191.835 ft
astronomicalunit au
atmosphere 1.01325+5 nt/m2
atm atmosphere
atomicmassunit 1.66044-27 kg fuzz
amu atomicmassunit
bag 94 lb
bakersdozen 13
bar 1+5 nt/m2
barie 1-1 nt/m2
barleycorn 1|3 in
barn 1-28 m2
barrel 42 gal
barye 1-1 nt/m2
bev 1+9 e-volt
biot 10 amp
blondel cd/pi-m2
boardfoot 144 in3
bolt 40 yd
bottommeasure 1|40 in
britishthermalunit 1.05506+3 joule fuzz
btu britishthermalunit
refrigeration 12000 btu/ton-hour
buck dollar
cable 720 ft
caliber 1-2 in
calorie cal
carat 205 mg
cent centidollar
cental 100 lb
centesimalminute 1-2 grade
centesimalsecond 1-4 grade
century 100 year
cfs ft3/sec
chain 66 ft
circularinch 1|4 pi-in2
circularmil 1-6|4 pi-in2
clusec 1-8 mm-hg m3/s
coomb 4 bu
cord 128 ft3
cordfoot cord
crith 9.06-2 gm
cubit 18 in
cup 1|2 pt
curie 3.7+10 /sec
dalton amu
decade 10 yr
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 9.652+4 coul
fathom 6 ft
fermi 1-15 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 3.33564-10 coul
frigorie kilocal
furlong 220 yd
galileo 1-2 m/sec2
gamma 1-9 weber/m2
gauss 1-4 weber/m2
geodeticfoot british-ft
geographicalmile 1852 m
gilbert 7.95775-1 amp
gill 1|4 pt
gross 144
gunterschain 22 y
hand 4 in
hectare 1+4 m2
hefnercandle .92 cd
hertz /sec
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
kcal kilocal
kcalorie kilocal
kelvin degC
kev 1+3 e-volt
key kg
khz 1+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 1-6 mm-hg m3/s
mach 331.46 m/sec
magnum 2 qt
marineleague 3 nmile
maxwell 1-8 weber
metriccarat 200 mg
mev 1+6 e-volt
mgd megagal/day
mh millihenry
mhz 1+6 /sec
mil 1-2 in
millenium 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 1-3 lux
ns nanosec
oersted 2.5+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
percent %
perch rd
pf picofarad
phot lumen/cm2
pica 1|6 in
pieze 1+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
rankine 1.8 kelvin
ream 500
registerton 100 ft3
rehoboam 156 floz
rhe 10 m2/nt-sec
rontgen 2.58-4 curie/kg
rood 1.21+3 yd2
rope 20 ft
rutherford 1+6 /sec
rydberg 1.36054+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 1-3 apostilb
slug lb-g-sec2/ft
span 9 in
spat 4 pi sr
spindle 14400 yd
square 100 ft2
stere m3
sthene 1+3 nt
stilb cd/cm2
stoke 1-4 m2/sec
stone 14 lb
strike 2 bu
surveyfoot british-ft
surveyorschain 66 ft
surveyorslink 66|100 ft
tablespoon 4 fldr
teaspoon 4|3 fldr
tesla weber/m2
therm 1+5 btu
thermie 1+6 cal
timberfoot ft3
tnt 4.6+6 m2/sec2
tonne 1+6 gm
torr mm hg
township 36 mi2
tun 8 barrel
water .22491|2.54 kg/m2-sec2
wey 40 bu
weymass 252 lb
Xunit 1.00202-13m
k 1.38047-16 erg/degC