s
|
day
|
1.157 x 10-7
|
|
s
|
week
|
1.653 x 10-6
|
|
s
|
yr
|
3.171 x 10-8
|
|
Force
|
|
|
|
N
|
kg-m/s2
|
1
|
|
N
|
dynes
|
105
|
|
N
|
g-cm/s2
|
105
|
|
N
|
lbf
|
0.2248
|
|
N
|
lb-ft/s2
|
7.233
|
|
lbf
|
N
|
4.448
|
|
lbf
|
dynes
|
4.448 x 105
|
|
lbf
|
g-cm/s2
|
4.448 x 105
|
|
lbf
|
lb-ft/s2
|
32.17
|
|
Pressure
|
|
|
|
atm
|
N/m2 = Pa
|
1.013 x 105
|
|
atm
|
kPa
|
101.3
|
|
atm
|
bars
|
1.013
|
|
atm
|
dynes/cm2
|
1.013 x 106
|
|
atm
|
lbf/in2 = psi
|
14.696
|
|
atm
|
mm Hg at 0°C (torr)
|
760
|
|
atm
|
in Hg at 0°C
|
29.92
|
|
atm
|
ft H2O at 4°C
|
33.9
|
|
atm
|
in H2O at 4°C
|
406.8
|
|
psi
|
atm
|
6.80 x 10-2
|
|
psi
|
mm Hg at 0°C (torr)
|
51.71
|
|
psi
|
in H2O at 4°C
|
27.70
|
|
in H2O at 4°C
|
atm
|
2.458 x 10-3
|
|
in H2O at 4°C
|
psi
|
0.0361
|
|
in H2O at 4°C
|
mm Hg at 0°C (torr)
|
1.868
|
|
Volume
|
|
|
|
m3
|
L
|
1,000
|
|
m3
|
cm3 (cc, mL)
|
106
|
|
m3
|
ft3
|
35.31
|
|
m3
|
gal (U.S.)
|
264.2
|
|
m3
|
qt
|
1,057
|
|
ft3
|
in3
|
1,728
|
|
ft3
|
gal (U.S.)
|
7.48
|
|
ft3
|
m3
|
0.02832
|
|
ft3
|
L
|
28.32
|
|
Energy
|
|
|
|
J
|
N-m
|
1
|
|
J
|
erg
|
107
|
|
J
|
dyne-cm
|
107
|
|
J
|
kW-hr
|
2.778 x 10-7
|
|
J
|
cal
|
0.2390
|
|
J
|
ft-lbf
|
0.7376
|
|
J
|
Btu
|
9.486 x 10-4
|
|
cal
|
J
|
4.186
|
|
cal
|
Btu
|
3.974 x 10-3
|
|
cal
|
ft-lbf
|
3.088
|
|
Btu
|
ft-lbf
|
778
|
|
Btu
|
hp-hr
|
3.929 x 10-4
|
|
Btu
|
cal
|
|
