HP TextEngineer Technical Writing Guide - Manual (Page 23)

Company Writer's Guide
[For Illustration Only] B-8
Symbols for Units in General Use (Cont’d)
Unit Symbol Notes
exa E SI prefix for 10 16 .
farad F SI unit of capacitance.
fem to f SI prefix for 10 -15 .
femtometer fm
foot ft
conventional foot of water ftH
2
O 1 ftH
2
O = 2989.1 Pa (ISO)
foot per minute ft/min
foot per second ft/s
foot per second squared ft/s 2
foot pound-force ft-lbf
footcandle fc 1 fc = 1 lm/ft 2 . The name lumen per square foot is
also used for this unit. Use of the SI unit of
illuminance, the lux (lumen per square meter), is
preferred.
footlambert fL 1 fL . 1/
Π) cd/ft 2 . A unit of luminance. One
lumen per square foot leaves a surface whose
luminance is one footlambert in all directions
within a hemisphere. Use of the SI unit, the
candela per square meter, is preferred.
gal Gal 1 Gal = 1 cm/s 2 (deprecated,
see ANSI Z210.1 1976).
gallon gal 1 gal
UK
= 4.5461 L
1 gal
US
= 231 in 3 = 3.7854 L
gauss G The gauss is the electromagnetic CGS unit of
magnetic flux density. Deprecated
(see ANSI Z210.1-1976).
giga G SI prefix for 10 9 .