size Unit symbol dimension
catalytic activity Katal kat s1.mol
X-radiation Rontgen coulomb 1 ⁄ 3.109
radioactive activity Becquerel Bq s-1
biological effect Sievert Sv 1 rem = 10-2Sv
radioactive activity Mache Me 1 Me = 3,64
electric capacity farad F m-2.kg-1.s4.A2
magnetic field tesla T kg.s-2.A-1
magnetic induction gauss  
magnetic induction maxwell mx  
magnetic force gilbert  
energy flow finsen FU  
energy density langley Ly  
electric charge coulomb C s.A
electric charge franklin fr  
conductance siemens S m-2.kg-1.s3.A2
proportion absorptive gray Gy m2.s-2
illumination lux Lx m-2.cd.sr
energy joule J m2.kg.s-2
magnetic flux weber Wb m2.kg.s-2.A-1
luminous flow lumen lm cd.sr
force newton N m.kg.s-2
frequency hertz Hz s-1
inductance henry H m2.kg.s-2.A-2
luminance nit Nt m-2.cd.sr
luminance blondel  
luminance lambert  
pressure pascal Pa m-1.kg.s-2
power watt W m2.kg.s-3
electrical resistance ohm W m2.kg.s-3.A-2
electric tension volt V m2.kg.s-3.A-1
vergency dioptrie d m-1
action joule-second J.s
magnetization ampere per meter A.m-1
electric field volt per meter V.m-1
conductivity siemens per meter S.m-1
apparent brightness lumen by Watt lm.W-1
flux density Watt per square meter W.m-2
entropy joule by Kelvin J.K-1
electric excitation Coulomb per square meter C.m-2
magnetic excitation amp per meter A.m-1
luminous exposure lux-second lx.s
electric moment Coulomb-meter C.m
permeability Henry per meter H.m-1
permeability darcy  
permittivity farad per meter F.M-1
pulsation second with the power -1 s-1
reluctance Henry with the power -1 H-1
impact strength joule per square meter J.m-2
resistivity ohmmeter W.m
electrostatic charges statamps  
electromagnetic current abamps  
intensity amps  
intensity biot  
intensity edison  
transmission speed baud bd  

 

1 GeV 1,60218 x 10-10 J erg
1 keV 1,60218 x 10-16 J kiloelectronvolt
1 kJ 1000 J kilojoule
1 kWh 3,6 x 10^6 J kilowatt-hour
1 MeV 1,60218 x 10-13 J megaelectronvolt
1 Btu (IT) ⁄ h 0,293071 W British thermal unit (IT) per hour
1 Btu (IT) ⁄ min 17,5843 W British thermal unit (IT) per minute
1 Btu (IT) ⁄ s 1055.06 W British thermal unit (IT) per second
1 Btu (therm.) ⁄ h 0,292875 W British thermal unit (therm.) per hour
1 Btu (therm.) ⁄ min 17,5725 W British thermal unit (therm.) per minute
1 Btu (therm.) ⁄ s 1054,35 W British thermal unit (therm.) per second
1 cal (IT) ⁄ h 0,00116298 W calorie (IT) per hour
1 cal (IT) ⁄ min 0,069779 W calorie (IT) per minute
1 cal (IT) ⁄ s 4,18674 W calorie (IT) per second
1 cal (therm.) ⁄ h 0,001162222 W calorie (therm.) per hour
1 cal (therm.) ⁄ min 0,0697333 W calorie (therm.) per minute
1 cal (therm.) ⁄ s 4,184 W calorie (therm.) per second
1 cv, HP 735,499 W horse power
1 dyn-cm ⁄ s 1 x 10-7 W dyne-centimetre a second
1 erg ⁄ s 1 x 10-7 W erg per second
1 ft-lbf ⁄ h 3,76616 x 10-4 W foot-pound forces per hour
1 ft-lbf ⁄ min 0,022597 W foot-pound forces per minute
1 ft-lbf ⁄ s 1,35582 W foot-pound forces per second
1 ft-pdl ⁄ s 0,0421401 W foot-poundal per second
1 HP 745,7 W horsepower (550 ft-lbf ⁄ s)
1 HP 9809,5 W horsepower (boiler)
1 BHP, hp 745,7 W horsepower(british)
1 cv, HP 735,499 W horsepower
1 HP 746 W horsepower (electricity)
1 HP 735,499 W horsepower (meter)
1 HP 746,043 W horsepower (water)
1 kgf-m ⁄ s 9,80665 W kilogram force-meter per second
1 kW 1000 W kilowatt
1 CTR (UK) 3922,7 W ton (refrigeration, UK)
1 CTR (US) 3516,8 W ton (refrigeration, US)
1 VA 1 W volt-ampere
1 W 1 W watt
1 W 1,00019 W watt (int. mean)
1 W 1,00016 W watt (int. US)

 

factor name of the prefix symbol
10-18 atto a
10-15 femto f
10-12 pico p
10-9 nano n
10-6 micro µ
10-3 milli m
10-2 centi c
10-1 deci d
101 deca da
102 hecto h
103 kilo k
106 mega M
109 giga G
1012 tera T
1015 peta P
1018 exa E
execution time customer :
runtime server : 0.003 seconds