ABSTRACT
Absorbed dose gray Gy J/kg Activity (radiation source) becquerel Bq 1/s Capacitance farad F C/V Catalytic activity katal kat s mol Celsius temperature degree Celsius ÆC K Conductance siemen S A/V Dose equivalent sievert Sv J/kg Electric charge coulomb C A s Electric potential volt V W/A Electric resistance ohm V/A Energy joule J N m Force newton N kg m/s
Frequency hertz Hz 1/s Illuminance lux lx lm/m
Inductance henry H Wb/A Luminous ßux lumen lm cd sr Magnetic ßux density tesla T Wb/m
Magnetic ßux weber Wb V s Plane angle radian rad m m
(unitless) Power watt W J/s Pressure or stress pascal Pa N/m
Solid angle steradian sr m m
(unitless)
Name Symbol Value in SI units (angle) degree Æ Æ rad (angle) minute Æ rad (angle) second rad (time) day d 1 d = 24 h = 86400 s (time) hour h 1 h = 60 min = 3600 s (time) minute min 1 min = 60 s astronomical unit au 1 au m bel B 1 B = (1/2) ln 10 Np
(Note that 1 dB = 0.1 B) electronvolt eV 1 eV C liter L 1 L = 1 dm = m
metric ton t 1 t = kg neper Np 1 Np = 1 (unitless) uniÞed atomic mass unit u 1 u kg
4. The following units are currently accepted for use with SI units (subject to further review).
