Civil Engineering Reference
In-Depth Information
Continued
Imperial unit
SI unit
SI unit symbol Conversion factor
(imperial to SI)
Conversion factor
(SI to imperial)
Mass density
ton per cubic
yard
(2000 lb) (US)
kg/m
3
1 ton/yd
3
1186.49 kg/m
3
1 kg/m
3
0.000 842 8 ton/yd
3
kilogram per
cubic meter
=
=
(US)
t/m
3
1 ton/yd
3
1.1865 t/m
3
1 t/m
3
0.8428 ton/yd
3
(US)
tonne per cubic
meter
=
=
kg/cm
3
1 ton/yd
3
1328.9 kg/m
3
1 kg/cm
3
0.000 75 ton/yd
3
ton per cubic
yard (2240 lb)
(UK)
kilogram per
cubic meter
=
=
(UK)
1 lb/ft
3
16.02 kg/m
3
1 kg/cm
3
0.062 42 lb/ft
3
pound per
cubic foot
=
=
t/m
3
1 lb/ft
3
0.01602 t/m
3
1 t/m
3
62.42 lb/ft
3
tonne per cubic
meter
=
=
g/cm
3
1 lb/in
3
27.68 g/cm
3
1 g/cm
3
0.036 13 lb/in
3
pound per
cubic inch
gram per cubic
centimeter
=
=
t/m
3
1 lb/in
3
27.68 t/m
3
1 t/m
3
0.036 13 lb/in
3
tonne per cubic
meter
=
=
Force
ton force
kilonewton
kN
1 tonf
=
8.896 kN
1 kN
=
0.1124 tonf (US)
(2000 lb) (US)
ton force
(2240 lb)
(UK)
1 tonf
=
9.964 KN
1 kN
=
0.1004 tonf (UK)
kip force
kilonewton
kN
1 kipf
=
4.448 kN
1 kN
=
0.2248 kipf
pound force
newton
N
1lbf
=
4.448 N
1 N
=
0.2248 lbf
tonf/ft
(2000 lb) (US)
kilonewton per
meter
kN/m
1 tonf/ft
=
29.186 kN/m
1 kN/m
=
0.034 26 tonf/ft (US)
tonf/ft
(2240 lb)
(UK)
kilonewton per
meter
1 tonf/ft
=
32.68 kN/m
1 kN/m
=
0.0306 tonf/ft (UK)
pound force
per foot
newton per
meter
N/m
1 lbf/ft
=
14.59 N/m
1 N/m
=
0.068 53 lbf/ft
Hydraulic
conductivity
centimeter per
second
meter per
second
m/s
1 cm/s
=
0.01 m/s
1 m/s
=
100 cm/s
1 ft/yr
=
0.9665
×
10
−
8
m/s
1 m/s
=
1.0346
×
10
8
ft/yr
foot per year
meter per
second
m/s
foot per second meter per
second
m/s
1 ft/s
=
0.3048 m/s
1 m/s
=
3.2808 ft/s
Flow rate
cubic foot per
minute
m
3
/s
1 ft
3
/min
0.000 471 9 m
3
/s 1 m
3
/s
2119.093 ft
3
/min
cubic meter per
second
=
=
l ft
3
/min
2.1191 ft
3
/min
(
continued
)
liter per second
l/s
=
0.4719 l/s
1 l/s
=
