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Name
|
To convert from
|
to
|
multiply by
|
divide by
|
|
Acceleration
|
ft/sec^2
|
m/s^2
|
0.3048
|
3.2810
|
|
Area
|
acre
|
m^2
|
4047
|
2.471E-04
|
|
Area
|
ft^2
|
m^2
|
9.294E-02
|
10.7600
|
|
Area
|
hectare
|
m^2
|
1.000E+04
|
1.000E-04
|
|
Area
|
in^2
|
m^2
|
6.452E-04
|
1550
|
|
Density
|
g/cm^3
|
kg/m^3
|
1000
|
1.000E-03
|
|
Density
|
lbm/ft^3
|
kg/m^3
|
16.02
|
6.243E-02
|
|
Density
|
lbm/in^3
|
kg/m^3
|
2.767E+04
|
3.614E-05
|
|
Density
|
lb€s^2/in^4
|
kg/m^3
|
1.069E+07
|
9.357E-08
|
|
Density
|
slug/ft^3
|
kg/m^3
|
515.40
|
1.940E-03
|
|
Energy
|
BTU
|
J
|
1055
|
9.478E-04
|
|
Energy
|
cal
|
J
|
4.1859
|
0.2389
|
|
Energy
|
erg
|
J
|
1.000E-07
|
1.000E+07
|
|
Energy
|
ev
|
J
|
1.602E-19
|
6.242E+18
|
|
Energy
|
ft€lbf
|
J
|
1.3557
|
0.7376
|
|
Energy
|
kiloton TNT
|
J
|
4.187E+12
|
2.388E-13
|
|
Energy
|
kW€hr
|
J
|
3.600E+06
|
2.778E-07
|
|
Energy
|
megaton TNT
|
J
|
4.187E+15
|
2.388E-16
|
|
Force
|
dyne
|
N
|
1.000E-05
|
1.000E+05
|
|
Force
|
lbf
|
N
|
4.4484
|
0.2248
|
|
Force
|
ozf
|
N
|
0.2780
|
3.5968
|
|
Heat capacity
|
BTU/lbm€°F
|
J/kg€°C
|
4188
|
2.388E-04
|
|
Heat transfer coefficient
|
BTU/hr€ft^2€°F
|
W/m^2€°C
|
5.6786
|
0.1761
|
|
Length
|
AU
|
m
|
1.496E+11
|
6.685E-12
|
|
Length
|
ft
|
m
|
0.3048
|
3.2810
|
|
Length
|
in
|
m
|
2.540E-02
|
39.3700
|
|
Length
|
mile
|
m
|
1609
|
6.214E-04
|
|
Length
|
Nautical mile
|
m
|
1853
|
5.397E-04
|
|
Length
|
parsec
|
m
|
3.085E+16
|
3.241E-17
|
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Mass
|
amu
|
kg
|
1.661E-27
|
6.022E+26
|
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Mass
|
lbm
|
kg
|
0.4535
|
2.2050
|
|
Mass
|
lb€s^2/in
|
kg
|
1200.00
|
5.711E-03
|
|
Mass
|
slug
|
kg
|
14.59
|
6.853E-02
|
|
Mass flow rate
|
lbm/hr
|
kg/s
|
1.260E-04
|
7937
|
|
Mass flow rate
|
lbm/sec
|
kg/s
|
0.4535
|
2.2050
|
|
Moment of inertia
|
ft€lb€s^2
|
kg€m^2
|
1.3557
|
0.7376
|
|
Moment of inertia
|
in€lb€s^2
|
kg€m^2
|
0.1130
|
8.8510
|
|
Moment of inertia
|
oz€in€s^2
|
kg€m^2
|
7.062E-03
|
141.60
|
|
Power
|
BTU/hr
|
W
|
0.2931
|
3.4120
|
|
Power
|
hp
|
W
|
745.71
|
1.341E-03
|
|
Power
|
tons of refrigeration
|
W
|
3516
|
2.844E-04
|
|
Pressure
|
bar
|
Pa
|
1.000E+05
|
1.000E-05
|
|
Pressure
|
dyne/cm^2
|
Pa
|
0.1000
|
10.0000
|
|
Pressure
|
in. mercury
|
Pa
|
3377
|
2.961E-04
|
|
Pressure
|
in. water
|
Pa
|
248.82
|
4.019E-03
|
|
Pressure
|
kgf/cm^2
|
Pa
|
9.807E+04
|
1.020E-05
|
|
Pressure
|
lbf/ft^2
|
Pa
|
47.89
|
2.088E-02
|
|
Pressure
|
lbf/in^2
|
Pa
|
6897
|
1.450E-04
|
|
Pressure
|
mbar
|
Pa
|
100.00
|
1.000E-02
|
|
Pressure
|
microns mercury
|
Pa
|
1.3332
|
0.7501
|
|
Pressure
|
mm mercury
|
Pa
|
1333
|
7.501E-04
|
|
Pressure
|
std atm
|
Pa
|
1.013E+05
|
9.869E-06
|
|
Specific heat
|
BTU/lbm€°F
|
J/kg€°C
|
4186
|
2.389E-04
|
|
Specific heat
|
cal/g€°C
|
J/kg€°C
|
4186
|
2.389E-04
|
|
Temperature
|
°R
|
°K
|
5/9
|
9/5
|
|
Thermal conductivity
|
BTU/hr€ft€°F
|
W/m€°C
|
1.7307
|
0.5778
|
|
Thermal conductivity
|
BTU€in/hr€ft^2€°F
|
W/m€°C
|
0.1442
|
6.9340
|
|
Thermal conductivity
|
cal/cm€s€°C
|
W/m€°C
|
418.60
|
2.389E-03
|
|
Thermal conductivity
|
cal/ft€hr€°F
|
W/m€°C
|
6.867E-03
|
145.62
|
|
Time
|
day
|
s
|
8.640E+04
|
1.157E-05
|
|
Time
|
sidereal year
|
s
|
3.156E+07
|
3.169E-08
|
|
Torque
|
ft€lbf
|
N€m
|
1.3557
|
0.7376
|
|
Torque
|
in€lbf
|
N€m
|
0.1130
|
8.8504
|
|
Torque
|
in€ozf
|
N€m
|
7.062E-03
|
141.61
|
|
Velocity
|
ft/min
|
m/s
|
5.079E-03
|
196.90
|
|
Velocity
|
ft/s
|
m/s
|
0.3048
|
3.2810
|
|
Velocity
|
km/hr
|
m/s
|
0.2778
|
3.6000
|
|
Velocity
|
miles/hr
|
m/s
|
0.4470
|
2.2370
|
|
Viscosity - absolute
|
centipose
|
N€s/m^2
|
1.000E-03
|
1000
|
|
Viscosity - absolute
|
g/cm€s
|
N€s/m^2
|
0.1000
|
10
|
|
Viscosity - absolute
|
lbf/ft^2€s
|
N€s/m^2
|
47.87
|
2.089E-02
|
|
Viscosity - absolute
|
lbm/ft€s
|
N€s/m^2
|
1.4881
|
0.6720
|
|
Viscosity - kinematic
|
centistoke
|
m^2/s
|
1.000E-06
|
1.000E+06
|
|
Viscosity - kinematic
|
ft^2/sec
|
m^2/s
|
9.294E-02
|
10.7600
|
|
Volume
|
ft^3
|
m^3
|
2.831E-02
|
35.3200
|
|
Volume
|
in^3
|
m^3
|
1.639E-05
|
6.102E+04
|
|
Volume
|
liters
|
m^3
|
1.000E-03
|
1000
|
|
Volume
|
U.S. gallons
|
m^3
|
3.785E-03
|
264.20
|
|
Volume flow rate
|
ft^3/min
|
m^3/s
|
4.719E-04
|
2119
|
|
Volume flow rate
|
U.S. gallons/min
|
m^3/s
|
6.309E-05
|
1.585E+04
|
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