Page 605 - Handbook of Electrical Engineering

598 HANDBOOK OF ELECTRICAL ENGINEERING

Non-electrical units Name of SI unit Symbol

Illumination lux lx
Luminous flux lumen lm
Mechanical stress pascal Pa
Power watt W
Pressure pascal Pa

I.3 DERIVED ELECTRICAL UNITS

Electrical units Name of SI unit Symbol

Capacitance farad F
Charge coulomb C
Conductance siemens S
Inductance henry H
Magnetic flux weber Wb
Magnetic flux density tesla T
Potential, potential volt V
difference, electromotive
force, (voltage, volt-drop)
Resistance ohm

I.4 CONVERSIONS

I.4.1 Length

Convert to Multiply by
fathom m 1.8288
ft, feet m 0.3048
in, inch mm 25.4
km miles 0.62137
m inch 39.3701
m ft 3.2808
mil = 0.001 inch mm 0.0254
mile km 1.60934
Mm inch 0.0393701
UK nautical mile km 1.85318
US nautical mile km 1.85200
yd, yard m 0.9144