HP TextEngineer Technical Writing Guide - Manual (Page 32)

Company Writer's Guide
[For Illustration Only] B-17
Symbols for Units in General Use (Cont’d)
Unit Symbol Notes
voltampere VA IEC name and symbol for the SI unit of apparent
power.
watt W SI unit of power.
watt per meter kelvin W/(m
•K)
SI unit of thermal conductivity.
watt per steradian W/sr SI unit of radiant intensity.
watt per steradian square
meter W/(sr
•m 2 ) SI unit of radiance.
watthour Wh
weber Wb Wb = V
•s
SI unit of magnetic flux.
yard yd
year a In the English language, generally yr.