calculand - Permeability coefficient
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Impressum/Contact
K·ρ·a/µ
Q·l·ρ·a/(A·Δp)
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Alfvén velocity
Atomic speed
Capillary wave
Drift velocity
Escape velocity
Fall speed
Filtration speed
Flow velocity
Laval number
Orbital speed
Permeability coefficient
Phase velocity
Reynolds number
Rotational velocity
Speed of light
Speed of sound
Velocity (definition)
Permeability coefficient (hydraulic conductivity) -
k
f
= Q · l · ρ · a / (A · Δp)
US bl./d - Barrel per day
cl/s - Centilitre per second
am³/s - Cubic attometre per second
cm³/s, ccm/s - Cubic centimetre per second
dam³/s - Cubic decametre per second
dm³/s - Cubic decimetre per second
Em³/s - Cubic exametre per second
fm³/s - Cubic femtometre per second
ft³/h, cu. ft./h - Cubic foot per hour
ft³/min, cu. ft./min - Cubic foot per minute
ft³/s, cu. ft./s - Cubic foot per second
Gm³/s - Cubic gigametre per second
hm³/s - Cubic hectometre per second
in³/h, cui/h - Cubic inch per hour
in³/min, cui/min - Cubic inch per minute
in³/s, cui/s - Cubic inch per second
km³/s - Cubic kilometre per second
Mm³/s - Cubic megametre per second
m³/d - Cubic metre per day
m³/h - Cubic metre per hour
m³/min - Cubic metre per minute
m³/s - Cubic metre per second
m³/y, m³/a - Cubic metre per year
µm³/s - Cubic micrometre per second
mi³/s, cu. mi./s - Cubic mile per second
mm³/s - Cubic millimetre per second
nm³/s - Cubic nanometre per second
Pm³/s - Cubic petametre per second
pm³/s - Cubic picometre per second
Tm³/s - Cubic terametre per second
yd³/s, cu. yd./s - Cubic yard per second
ym³/s - Cubic yoctometre per second
Ym³/s - Cubic yottametre per second
zm³/s - Cubic zeptometre per second
Zm³/s - Cubic zettametre per second
ų/s - Cubic ångstrøm per second
US liq. gal./s - Gallon (US) per second
imp. gal./s - Gallon (imp.) per second
hl/d - Hectolitre per day
hl/h - Hectolitre per hour
hl/min - Hectolitre per minute
hl/s - Hectolitre per second
hl/y, hl/a - Hectolitre per year
kl/s - Kilolitre per second
l/d - Litre per day
l/h - Litre per hour
l/min - Litre per minute
l/s - Litre per second
l/y, l/a - Litre per year
µl/h - Microlitre per hour
µl/min - Microlitre per minute
µl/s - Microlitre per second
ml/d - Millilitre per day
ml/h - Millilitre per hour
ml/min - Millilitre per minute
ml/s - Millilitre per second
ml/y, ml/a - Millilitre per year
Sv - Sverdrup
r α tauri - Aldebaran radius
r α cen A - Alpha Centauri A radius
r α cen B - Alpha Centauri B radius
arshin - Arshin (арши́н)
AU, UA - Astronomical unit
am - Attometre
M - Basic module
r α ori - Betelgeuse radius
aₒ - Bohr radius
bu - Bu (分, japan.)
bu - Bu (步, chin.)
cbl. - Cable
cal. - Calibre
cm - Centimetre
r ⚳ - Ceres radius
ch. - Chain
CH, Fr. - Charrière (French)
chi - Chi (市尺)
cho - Chō (町)
cubitus - Cubitus, Roman cubit
cun - Cun (市寸)
dam - Decametre
dm - Decimetre
gradus - Degreeus, Roman step
digitus - Digitus, Roman finger
diuim - Diuim (дюйм)
r ⊕, r ♁ - Earth radius
rₑ - Electron radius
Em - Exametre
ftm - Fathom (nautical)
fm - Femtometre (Fermi)
fen - Fen (市分)
ft - Foot
fur - Furlong
fut - Fut (фут)
Gly - Gigalightyear
Gm - Gigametre
Gpc - Gigaparsec
hank cotton - Hank cotton
hao - Hao (毫)
hm - Hectometre
himetric - Himetric
hu - Hu (忽)
in - Inch
r ♃ - Jupiter radius
jo - Jō (丈)
ken - Ken (間)
kly - Kilolightyear
km - Kilometre
kpc - Kiloparsec
lea cotton - Lea cotton
lea hemp - Lea hemp
lea., l. - League
li, 10 hao - Li (市厘)
li - Li (市里, 15 yin)
Ld - Lightday
Lh - Lighthour
Lm - Lightminute
Ls - Lightsecond
ly - Lightyear
ln. - Line
liniya - Liniya (линия)
li. - Link
r ♂ - Mars radius
Mly - Megalightyear
Mm - Megametre
Mpc - Megaparsec
r ☿ - Mercury radius
m - Metre
3 M - Metric foot (basic module)
¼ M - Metric inch (basic module)
mickey - Mickey
µm - Micrometre (Micron)
mi - Mile
milia - Milia (ми́ля)
mil, thou - Milli-inch (Millesimus, Thousands of an inch)
milliarium - Milliarium, Roman mile
mm - Millimetre
r ☾ - Moon radius
mam - Myriametre
mo - Mō (毫)
nm - Nanometre
nm, sm - Nautical mile (Seamile)
r ♆ - Neptune radius
palmus - Palmus, Roman palm
pc - Parsec (Parallax second)
passus - Passus, Roman double step
pes - Pes, Roman foot
Pm - Petametre
piad - Piad (пядь)
pc. - Pica
pm - Picometre
l(P) - Planck length
r ♇ - Pluto radius
p - Point
ri - Ri (里)
rin - Rin (厘)
rd. - Rod (Perch)
sashen - Sashen (сажень)
r ♄ - Saturn radius
l(S) - Schrödinger length
sh. - Shackle
shaku - Shaku (尺)
si - Si (丝)
SU - Siegbahn unit
skein cotton - Skein cotton
r ☉ - Solar radius
spindle scotch - Spindle Scotch
spindle cotton - Spindle cotton
spindle hemp - Spindle hemp
stadium - Stadium, Roman stadium
p.p. - Stitch
l(St) - Stoney length
stopa - Stopa (стопа)
strehn cotton - Strehn cotton
sun - Sun (寸)
tchetvert - Tchetvert (четверть)
Tly - Teralightyear
Tm - Terametre
Tpc - Teraparsec
thread cotton - Thread cotton
thread hemp - Thread hemp
totchka - Totchka (то́чка)
twip - Twip
r ⛢ - Uranus radius
r ♀ - Venus radius
vershok - Vershok (вершок)
verst - Verst (верста́)
XU - X-unit
yd - Yard
yin - Yin (引)
ym - Yoctometre
Ym - Yottametre
zm - Zeptometre
Zm - Zettametre
zhang - Zhang (市丈)
Å - Ångstrøm
ag/m³ - Attogram per cubic metre
cg/m³ - Centigram per cubic metre
dag/m³ - Decagram per cubic metre
dg/m³ - Decigram per cubic metre
Eg/m³ - Exagram per cubic metre
fg/m³ - Femtogram per cubic metre
Gg/m³ - Gigagram per cubic metre
g/cl - Gram per centilitre
g/cm³, g/ccm - Gram per cubic centimetre
g/dam³ - Gram per cubic decametre
g/dm³ - Gram per cubic decimetre
g/ft³, g/cu. ft. - Gram per cubic foot
g/hm³ - Gram per cubic hectometre
g/in³, g/cui - Gram per cubic inch
g/km³ - Gram per cubic kilometre
g/m³ - Gram per cubic metre
g/mm³ - Gram per cubic millimetre
g/yd³, g/cu. yd. - Gram per cubic yard
g/l - Gram per litre
g/ml - Gram per millilitre
hg/m³ - Hectogram per cubic metre
kg/cm³, kg/ccm - Kilogram per cubic centimetre
kg/dam³ - Kilogram per cubic decametre
kg/dm³ - Kilogram per cubic decimetre
kg/ft³, kg/cu. ft. - Kilogram per cubic foot
kg/hm³ - Kilogram per cubic hectometre
kg/in³, kg/cui - Kilogram per cubic inch
kg/km³ - Kilogram per cubic kilometre
kg/m³ - Kilogram per cubic metre
kg/mi³, kg/cu. mi. - Kilogram per cubic mile
kg/mm³ - Kilogram per cubic millimetre
kg/yd³, kg/cu. yd. - Kilogram per cubic yard
kg/l - Kilogram per litre
kt/m³ - Kilotonne per cubic metre
Mg/m³ - Megagram per cubic metre
µg/m³ - Microgram per cubic metre
mg/m³ - Milligram per cubic metre
ng/m³ - Nanogram per cubic metre
oz./ft³, oz./cu. ft. - Ounce per cubic foot
oz./in³, oz./cui - Ounce per cubic inch
oz./m³ - Ounce per cubic metre
Pg/m³ - Petagram per cubic metre
pg/m³ - Picogram per cubic metre
ρ(P) - Planck density
m(P)/cm³, m(P)/ccm - Planck mass per cubic centimetre
m(P)/ft³, m(P)/cu. ft. - Planck mass per cubic foot
m(P)/in³, m(P)/cui - Planck mass per cubic inch
m(P)/m³ - Planck mass per cubic metre
m(P)/mm³ - Planck mass per cubic millimetre
lb/ft³, lb/cu. ft. - Pound per cubic foot
lb/in³, lb/cui - Pound per cubic inch
lb/m³ - Pound per cubic metre
lb/mi³, lb/cu. mi. - Pound per cubic mile
slug/ft³, slug/cu. ft. - Slug per cubic foot
slug/in³, slug/cui - Slug per cubic inch
slug/m³ - Slug per cubic metre
Tg/m³ - Teragram per cubic metre
t/m³ - Tonne per cubic metre
u/m³, amu/m³ - Unified atomic mass unit per cubic metre
yg/m³ - Yoctogram per cubic metre
Yg/m³ - Yottagram per cubic metre
zg/m³ - Zeptogram per cubic metre
Zg/m³ - Zettagram per cubic metre
g α tauri - Aldebaran
g α cen A - Alpha Centauri A
g α cen B - Alpha Centauri B
am/s² - Attometre per second squared
g α ori - Betelgeuse
cGal - Centigal
cm/s² - Centimetre per second squared
g ⚳ - Ceres
dGal - Decigal
dm/s² - Decimetre per second squared
Em/s² - Exametre per second squared
fm/s² - Femtometre per second squared
ft/h² - Foot per hour squared
ft/min² - Foot per minute squared
ft/s² - Foot per second squared
Gal - Gal
Gm/s² - Gigametre per second squared
in/h² - Inch per hour squared
in/min² - Inch per minute squared
in/s² - Inch per second squared
g ♃ - Jupiter
km/h², kph² - Kilometre per hour squared
km/min² - Kilometre per minute squared
km/s² - Kilometre per second squared
kp/kg - Kilopond per kilogram
leo - Leo
g ♂ - Mars
Mm/s² - Megametre per second squared
g ☿ - Mercury
m/h² - Metre per hour squared
m/min² - Metre per minute squared
m/s² - Metre per second squared
µm/s² - Micrometre per second squared
mi/h² - Mile per hour squared
mi/min² - Mile per minute squared
mi/s² - Mile per second squared
mGal - Milligal
mm/s² - Millimetre per second squared
g ☾ - Moon
nm/s² - Nanometre per second squared
g ♆ - Neptune
N/g - Newton per gram
N/kg - Newton per kilogram
N/oz. - Newton per ounce
N/lb - Newton per pound
Pm/s² - Petametre per second squared
pm/s² - Picometre per second squared
g(P) - Planck acceleration
g ♇ - Pluto
lbf/oz. - Pound-force per ounce
lbf/lb - Pound-force per pound
g ♄ - Saturn
g₀ - Standard gravity
g ☉ - Sun
Tm/s² - Terametre per second squared
g ⛢ - Uranus
g ♀ - Venus
yd/s² - Yard per second squared
ym/s² - Yoctometre per second squared
Ym/s² - Yottametre per second squared
zm/s² - Zeptometre per second squared
Zm/s² - Zettametre per second squared
ac - Acre
a - Are
b - Barn
barony - Barony
cho - Chō (町)
circ. in. - Circular inch
circ. mil. - Circular mil (Circular thou)
Dez. - Dezimal (bavarian)
fb - Femtobarn
fen - Fen (市分)
go - Gō (合)
ha - Hectare
jo - Jō (畳)
kb - Kilobarn
li - Li (市厘)
µb - Microbarn
mb - Millibarn
Mg - Morgen (metric)
mu - Mu (市亩 / 畝)
nb - Nanobarn
outhouse - Outhouse
pb - Picobarn
A(P), l²(P) - Planck area
qing - Qing (市顷)
vha - Quarter hectare (Viertelhektar)
se - Se (畝)
shaku - Shaku (勺)
shed - Shed
shi - Shí (市石)
am² - Square attometre
cm² - Square centimetre
dam² - Square decametre
dm² - Square decimetre
Em² - Square exametre
fm² - Square femtometre
ft², sq. ft. - Square foot
Gm² - Square gigametre
Gpc² - Square gigaparsec
hm² - Square hectometre
in², sq. in. - Square inch
km² - Square kilometre
kpc² - Square kiloparsec
Ld² - Square lightday
Lh² - Square lighthour
Lm² - Square lightminute
Ls² - Square lightsecond
ly² - Square lightyear
Mm² - Square megametre
Mpc² - Square megaparsec
m² - Square metre
µm² - Square micrometre
mi², sq. mi. - Square mile
mil², thou² - Square milli-inch (Square mil, Square thou)
mm² - Square millimetre
mam² - Square myriametre
nm² - Square nanometre
pc² - Square parsec
Pm² - Square petametre
pm² - Square picometre
Tm² - Square terametre
Tpc² - Square teraparsec
yd², sq. yd. - Square yard
ym² - Square yoctometre
Ym² - Square yottametre
zm² - Square zeptometre
Zm² - Square zettametre
Ų - Square ångstrøm
tan - Tan (段 / 反)
σₜ - Thomson cross section
tsubo - Tsubo (坪 / 歩)
TIE - Two inch equivalent
aN/m² - Attonewton per square metre
aPa - Attopascal
bar - Bar
Ba, b - Barye
cmHg - Centimetre of mercury
cmH₂O - Centimetre of water
cN/m² - Centinewton per square metre
cPa - Centipascal
daN/m² - Decanewton per square metre
daPa - Decapascal
dN/m² - Decinewton per square metre
dPa - Decipascal
°M/s, °McM/s - Degree MacMichael per second
dyn/cm² - Dyne per square centimetre
dyn/m² - Dyne per square metre
EN/m² - Exanewton per square metre
EPa - Exapascal
fN/m² - Femtonewton per square metre
fPa - Femtopascal
GN/m² - Giganewton per square metre
GPa - Gigapascal
g/cm s² - Gram per centimetre second squared
hN/m² - Hectonewton per square metre
hPa - Hectopascal
inHg - Inch of mercury
inH₂O - Inch of water
J/m³ - Joule per cubic metre
kg/m s² - Kilogram per metre second squared
kN/m² - Kilonewton per square metre
kPa - Kilopascal
kp/cm² - Kilopond per square centimetre
kp/dm² - Kilopond per square decimetre
kp/m² - Kilopond per square metre
kp/mm² - Kilopond per square millimetre
L/h - Langmuir per hour
L/s - Langmuir per second
MN/m² - Meganewton per square metre
MPa - Megapascal
mHg - Metre of mercury
mH₂O - Metre of water
µmHg - Micrometre of mercury
micron, µmHg - Micron
µN/m² - Micronewton per square metre
µPa - Micropascal
mbar - Millibar
mmHg - Millimetre of mercury
mmH₂O - Millimetre of water
mN/m² - Millinewton per square metre
mPa - Millipascal
mTorr - Millitorr
nN/m² - Nanonewton per square metre
nPa - Nanopascal
N/D - Newton per darcy
N/ha - Newton per hectare
N/cm² - Newton per square centimetre
N/dm² - Newton per square decimetre
N/ft² - Newton per square foot
N/in² - Newton per square inch
N/km² - Newton per square kilometre
N/m² - Newton per square metre
N/mm² - Newton per square millimetre
Pa - Pascal
PN/m² - Petanewton per square metre
PPa - Petapascal
pN/m² - Piconewton per square metre
pPa - Picopascal
pz - Pièze
p(P) - Planck pressure
P/s - Poise per second
Pl/s - Poiseuille per second
p/m² - Pond per square metre
lb/ft s² - Pound per foot second squared
lb/in s² - Pound per inch second squared
lb/m s² - Pound per metre second squared
psf, lbf/ft², lbf/sq. ft. - Pound per square foot (Pound-force per square foot)
psi, lbf/in², lbf/sq. in. - Pound-force per square inch (Pound per square inch)
lbf/m² - Pound-force per square metre
pdl/ft², pdl/sq. ft. - Poundal per square foot
pdl/in², pdl/sq. in. - Poundal per square inch
pdl/m² - Poundal per square metre
Reyn/s - Reyn per second
atm - Standard atmosphere
at - Technical atmosphere
TN/m² - Teranewton per square metre
TPa - Terapascal
Torr - Torr
yN/m² - Yoctonewton per square metre
yPa - Yoctopascal
YN/m² - Yottanewton per square metre
YPa - Yottapascal
zN/m² - Zeptonewton per square metre
zPa - Zeptopascal
ZN/m² - Zettanewton per square metre
ZPa - Zettapascal
am/s - Attometre per second
barrer inHg/in - Barrer inch of mercury per inch
barrer mHg/m - Barrer metre of mercury per metre
barrer Pa/m - Barrer pascal per metre
berk/B - Berk per bubnoff unit
B - Bubnoff unit
cm/s - Centimetre per second
crab/bar - Crab per bar
D/m s - Darcy per metre second
dam/s - Decametre per second
dm/s - Decimetre per second
dyn. m/B - Dynamic metre per bubnoff unit
Em/s - Exametre per second
fm/s - Femtometre per second
ft/d - Foot per day
ft/h - Foot per hour
ft/min - Foot per minute
ft/s - Foot per second
ft/y, ft/a - Foot per year
Gm/s - Gigametre per second
hm/s - Hectometre per second
in/d - Inch per day
in/h - Inch per hour
in/min - Inch per minute
in/s - Inch per second
in/y, in/a - Inch per year
J/Ns - Joule per newton second
kg/Pa s³ - Kilogram per pascal second cubed
km/s - Kilometre per second
Mm/s - Megametre per second
m/d - Metre per day
m/h - Metre per hour
m/min - Metre per minute
m/s - Metre per second
m/y, m/a - Metre per year
µm/s - Micrometre per second
mi/d - Mile per day
mi/h - Mile per hour
mi/min - Mile per minute
mi/s - Mile per second
mi/y, mi/a - Mile per year
mm/s - Millimetre per second
nm/s - Nanometre per second
N/L m - Newton per langmuir metre
Pm/s - Petametre per second
pm/s - Picometre per second
p/dyn - Poncelet per dyne
lbf/P in - Pound-force per poise inch
E₀/Pa - Solar constant per pascal
g₀ h - Standard gravity hour
g₀ s - Standard gravity second
g₀ y, g₀ a - Standard gravity year
St/m - Stokes per metre
Sv/D - Sverdrup per darcy
Tm/s - Terametre per second
W/N - Watt per newton
yd/d - Yard per day
yd/h - Yard per hour
yd/min - Yard per minute
yd/s - Yard per second
yd/y, yd/a - Yard per year
ym/s - Yoctometre per second
Ym/s - Yottametre per second
zm/s - Zeptometre per second
Zm/s - Zettametre per second
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