calculand - Luminous efficacy
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Luminous efficacy -
ηᵥ = Iᵥ · Ω / P
aCd - Attocandela
BLE - Berlin light unit (Berliner Lichteinheit)
Cd - Candela
CP - Candlepower
carcel - Carcel
cCd - Centicandela
DVWGK - DVWG-candle (Deutscher Verein der Gas- und Wasserfachmänner)
daCd - Decacandela
dCd - Decicandela
bd - Decimal candle, Bougie décimale
ECd - Exacandela
fCd - Femtocandela
GCd - Gigacandela
hCd - Hectocandela
HK - Hefner candle (Hefner-Kerze)
IK, bi - International candle (Bougie internationale)
kCd - Kilocandela
lm/msr - Lumen per millisteradian
lm/(4πsr) - Lumen per sphere
lm/(´)² - Lumen per square arcminute
lm/(´´)² - Lumen per square arcsecond
lm/(°)² - Lumen per square degree
lm/sr - Lumen per steradian
MCd - Megacandela
µCd - Microcandela
mCd - Millicandela
nCd - Nanocandela
NK - New candle (Neue Kerze)
PCd - Petacandela
photon - Photon
pCd - Picocandela
TCd - Teracandela
td - Troland
Violle - Violle
yCd - Yoctocandela
YCd - Yottacandela
zCd - Zeptocandela
ZCd - Zettacandela
asr - Attosteradian
csr - Centisteradian
dasr - Decasteradian
dsr - Decisteradian
fsr - Femtosteradian
µsr - Microsteradian
msr - Millisteradian
nsr - Nanosteradian
psr - Picosteradian
4πsr - Sphere
(´)² - Square arcminute
(´´)² - Square arcsecond
(ᶜ)² - Square centesimal arcminute
(ᶜᶜ)² - Square centesimal arcsecond
cgon² - Square centigon
cm²/m² - Square centimetre per square metre
dm²/m² - Square decimetre per square metre
(°)² - Square degree
ft²/in², sq. ft./sq. in. - Square foot per square inch
ft²/m², sq. ft./m² - Square foot per square metre
gon² - Square gon
in²/ft², sq. in./sq. ft. - Square inch per square foot
in²/in², sq. in./sq. in. - Square inch per square inch
in²/m², sq. in./m² - Square inch per square metre
m²/m² - Square metre per square metre
mgon² - Square milligon
mm²/m² - Square millimetre per square metre
(´´´)² - Square tertia
sr - Steradian
ysr - Yoctosteradian
zsr - Zeptosteradian
aW - Attowatt
BTU/h - British thermal unit per hour
BTU/min - British thermal unit per minute
BTU/s, btu/s - British thermal unit per second
cal/h - Calorie per hour
cal/min - Calorie per minute
cal/s - Calorie per second
cW - Centiwatt
ch - Cheval vapeur
daNm/s - Decanewton metre per second
daW - Decawatt
dW - Deciwatt
dyncm/s - Dyne centimetre per second
dynm/s - Dyne metre per second
eV/s - Electronvolt per second
erg/s - Erg per second
EW - Exawatt
fW - Femtowatt
GW - Gigawatt
hW - Hectowatt
hp, bhp - Horsepower (Brake horsepower)
PS, hp(M) - Horsepower (metric)
J/d - Joule per day
J/h - Joule per hour
J/min - Joule per minute
J/s - Joule per second
J/y, J/a - Joule per year
kcal/h - Kilocalorie per hour
kcal/min - Kilocalorie per minute
kcal/s - Kilocalorie per second
kg m²/s³ - Kilogram square metre per second cubed
kpm/s - Kilopond metre per second
kW - Kilowatt
mp - Manpower
MW - Megawatt
mkp/s - Metre kilopond per second
µW - Microwatt
mW - Milliwatt
nW - Nanowatt
Nm/s - Newton metre per second
Ω A² - Ohm ampere squared
Pa m³/s - Pascal cubic metre per second
PW - Petawatt
pW - Picowatt
P(P) - Planck power
p - Poncelet
pm/s - Pond metre per second
lb ft²/s³ - Pound square foot per second cubed
lb in²/s³ - Pound square inch per second cubed
TW - Terawatt
var - Var (Volt Ampere Reactive)
VA - Volt ampere
V²/Ω - Volt squared per ohm
W - Watt
yW - Yoctowatt
YW - Yottawatt
zW - Zeptowatt
ZW - Zettawatt
alm/W - Attolumen per watt
Cd sr s³/kg ft² - Candela steradian second cubed per kilogram square foot
Cd sr s³/kg in² - Candela steradian second cubed per kilogram square inch
Cd sr s³/kg m² - Candela steradian second cubed per kilogram square metre
Cd sr s³/lb ft² - Candela steradian second cubed per pound square foot
Cd sr s³/lb in² - Candela steradian second cubed per pound square inch
Cd sr s/eV - Candela steradian second per electronvolt
Cd sr s/J - Candela steradian second per joule
clm/W - Centilumen per watt
dalm/W - Decalumen per watt
dlm/W - Decilumen per watt
Elm/W - Exalumen per watt
flm/W - Femtolumen per watt
Glm/W - Gigalumen per watt
hlm/W - Hectolumen per watt
klm/W - Kilolumen per watt
lumberg/J - Lumberg per joule
lmh/J - Lumen hour per joule
lm/W - Lumen per watt
lms/eV - Lumen second per electronvolt
lms/erg - Lumen second per erg
lms/J - Lumen second per joule
lms/kWh - Lumen second per kilowatt hour
lms/Wh - Lumen second per watt hour
lumerg/J - Lumerg per joule
Mlm/W - Megalumen per watt
µlm/W - Microlumen per watt
mlm/W - Millilumen per watt
nlm/W - Nanolumen per watt
Plm/W - Petalumen per watt
plm/W - Picolumen per watt
talbot/J - Talbot per joule
Tlm/W - Teralumen per watt
ylm/W - Yoctolumen per watt
Ylm/W - Yottalumen per watt
zlm/W - Zeptolumen per watt
Zlm/W - Zettalumen per watt
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