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Name

To convert from

to

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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

Mass

amu

kg

1.661E-27

6.022E+26

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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