Table A.4. Useful Conversion Factors (continued).
Quantity
From English
To Metric Units
Multiplied by*
Units
ft3/s
m3/s
0.02832
Volume rate of flow
m3/s
0.0004719
cfm
0.4719
cfm
L/s
m3/s
0.0438
mgd
Velocity, speed
ft/s
m/s
0.3048
f/s2
m/s2
0.3048
lb ) ft/sec
kg ) m/s
Momentum
0.1383
lb ) ft2/s
kg ) m2/s
0.04214
Angular momentum
Plane angle
degree
rad
0.01745
mrad
17.45
*4 significant figures; underline denotes exact conversion
Table A.5. Prefixes.
Submultiples
Multiples
10-1
101
deci
d
deka
da
10-2
102
centi
c
hecto
h
10-3
103
milli
m
kilo
k
10-6
106
micro
mega
M
10-9
109
nano
n
giga
G
10-12
1012
pica
p
tera
T
10-15
1015
femto
f
peta
P
10-18
1018
atto
a
exa
E
10-21
1021
zepto
z
zetta
Z
10-24
1024
yocto
y
yotto
Y
A.5
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