Appendix:Greek number and measurement/Weights and measures

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Units of measure

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Unit Μονάδα Symbol Quantity System Notes
acre έικρ  ac area Imperial = 4840 sq.yd
ampere, amp αμπέρ  A electrical current SI base unit
angstrom άνγκστρομ  length = 10-10 metre
are άριο  a area accepted SI = 1/100 hectare
astronomical unit αστρονομική μονάδα  au, ua length astronomy = 149.6 x 109 m
bar μπαρ  bar atmospheric pressure non-SI 105 Pa
becquerel μπεκερέλ  Bq radioactive activity SI derived unit
cable length ναυτικό στάδιο  length (nautical) international = 185.2m = 1/10 nautical mile
calorie, gramcalorie θερμίδα γραμμοθερμίδα  energy non-SI = 4.184 Joule
calorie, kilocalorie θερμίδα χιλιοθερμίδα  energy non-SI = 4.184 kJoule
candela κηρίο , καντέλα  cd luminous intensity SI base unit
carat καράτι  ct mass = 1/5 g
centimetre εκατοστόμετρο  cm length CGS = 1/100 m
centimetre per second εκατοστόμετρο ανά δευτερόλεπτο cm/s velocity CGS
coulomb κουλόμπ  C electrical charge SI derived
degree μοίρα  ° plane angle SI accepted = 1/360 rotation
degree Celsius βαθμός Κελσίου  °C temperature SI derived see also: kelvin
degree Fahrenheit βαθμός Φαρενάιτ  °F temperature
degree Reaumur βαθμός Ρεωμύρου  °R temperature
drachm, dram, dirham δράμι  ʒ, ℨ, dr mass Greek domestic (< 1959) = 3.203g = 1/400 οκά
dyne dyne dyn force CGS
erg erg erg energy CGS
farad φαράντ  F electrical capacitance SI derived
fathom οργυιά  length (nautical) Imperial = 6ft = 1.8288m
foot πόδι , πους  ft length Imperial = 0.3048m exactly
gal γκαλ  Gal acceleration CGS = 1 cm/s/s
gallon γαλόνι  gal volume Imperial = 4.55 litre
gauss γκάους  G, Gs magnetic flux density CGS = 1x10-4 tesla
gram γραμμάριο  g mass CGS
gray γκρέυ  Gy radiation: absorbed dose SI derived unit
hectare εκτάριο  ha area SI accepted = 10,000 m2
henry ανρί  H electrical inductance SI derived
hertz χερτζ  Hz frequency SI derived unit = 1 cycle/s
inch ίντσα  in length Imperial = 25.4 mm exactly
joule τζάουλ  J energy SI derived = 1x107 erg
kartezini καρτεζίνι  mass Greek = 115g = 36 δράμια
katal κατάλ  kat catalytic activity SI derived unit = 1 mol/s
"katostari" κατοστάρι  mass Greek = 100 δράμια  = 1/4 οκά 
kayser K wavenumber CGS
kelvin κέλβιν  K thermodynamic temperature SI base unit
kilogram, kilo χιλιόγραμμο , κιλό  kg, χγρ.  mass SI
kilotonne χιλιότονο  kt, Tg mass = 1000 kg
kilowatt κιλοβάτ  kW electrical power derived
kilowatt-hour κιλοβατώρα  kWh electrical energy derived
knot κόμβος  kn, kt velocity SI accepted = 1.852 km/hr
light year έτος φωτός  ly length astronomy = 9.4607 x 1015 m
litre λίτρο  l volume SI accepted
lumen λούμεν  lm luminous flux SI derived unit
lux λουξ , lux  lx illuminance SI derived
maxwell μάξγουελ  Mx magnetic flux CGS = 10-8 weber
metre μέτρο  m length SI base unit
mho (reciprocal ohm) mho  Ω-1 electrical conductance obsolete = 1 siemens
micrometre μικρόμετρο  μm length SI derived = micron
micron μικρόν  μm, μ length SI derived = micrometre
mile μίλι  mi length Imperial = 1760yd = 1.609344km
mina μνα  mass historical = 500g approx.
minute λεπτό  m time SI accepted
μόδιο  volume/mass used for olives
mole μολ  mol amount of substance SI base unit
nautical mile ναυτικό μίλι  M, NM, nmi length (nautical) SI derived = 1852m
newton νιούτον  N force SI derived
oersted [Term?] magnetising field CGS = 1 dyne per maxwell
ohm ωμ  Ω electrical resistance SI derived
oka οκά  mass Greek domestic (< 1959) = 1.281kg = 400 δράμια 
ounce ουγγιά  oz mass Imperial = 28.35g
parsec παρσέκ  pc length astronomy = 3.0857 x 1016 m
pascal πασκάλ  Pa pressure, stress SI derived unit = 1 Nm-2
phot ph illuminance CGS = 10000 lux
plethron πλέθρο  length Greek historical 1/6 stadion = 30m approx
poise πουάζ  P viscosity CGS
pound λίβρα  lb mass Imperial 453.58g
radian ακτίνιο  rad angle SI = 360/2π = 57.3deg approx
second δευτερόλεπτο  s time SI base unit, CGS = 1/60 min
siemens ζήμενς  S electrical conductance SI derived
sievert σίβερτ  Sv radiation dose SI derived unit
stadion στάδιο  length Greek historical = 150-200 m
steradian στερακτίνιο  sr solid angle SI derived = sphere/4π
stilb sb luminance CGS = 1 candela/cm2
stokes St kinematic viscosity CGS
stremma στρέμμα  area Greek = 1/10 hectare
tesla τέσλα  T magnetic flux density SI derived
talent τάλαντο  weight historical range = 25-60 kg
tonne τόνος  t weight SI derived = 1,000 kg
volt βολτ  V electrical potential SI derived
watt βατ  W power SI derived
weber βέμπερ  Wb magnetic flux SI derived
yard γιάρδα  yd length Imperial = 0.9144 m
† In Greek technical writing it is usual to use the Roman characters.