HP TextEngineer Technical Writing Guide User 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
.