Atmospheres

(atm)

Bar --
Inches Mercury (in Hg)
Pounds/square inch (psi)
Torr --

0.9869
0.03342
0.06805
0.001316

Bar

Atmospheres (atm)
Pounds/square inch (psi)

1.0133
0.06895

British Thermal Units

(Btu)

Joules (J)
Kilowatt-hours (KWh)
Watt-hours (Wh)

0.000948
3412
3.412

British Thermal Units/hour

(Btu/h)

Kilocalories/hour (kcal/h)
Watts (W)

3.969
3.412

British Thermal Units/inches
   hour-square foot---°F
British Thermal Units/pound
British Thermal
   Units/pound---°F

(Btu---in)
(h-ft²---°F)
(Btu/lb)
(Btu/lb---°F)

Watts/meter---°C (W/m---°C)
Kilojoules/kilogram (kJ/kg)
Kilojoules/kilogram---°C (kJ/kg---°C)

6.933
 
0.4299
0.2388

Calories

(cal)

Joules (J)

0.2388

Centimeters

(cm)

Feet (ft)
Inches (in)

30.48
2.54

Centimeters/second

(cm/s)

Feet/minute (fpm)

0.508

Cubic centimeters

(cm³ or cc)

Cubic feet (ft³)
Cubic inches (in³)
Milli Liters (ml)

28,320
16.39
1.0

Cubic feet

(ft³ )

Cubic meters (m³)
Gallons, U.S. (gal)
Liters (l)

35.32
0.1337
.03532

Cubic feet/minute

(cfm)

Cubic meters/hour (m³/h)
Cubic meters/second (m³/s)
Liters/second (l/s)

0.5885
2119
2.119

Cubic inches

(in³ )

Cubic centimeters (cm³ or cc)

0.061

Cubic meters

(m³ )

Gallons, U.S. (gal)
Liters (l)
Cubic feet (ft³)

0.003785
0.001
0.02832

Cubic meters/hour

(m³ /h)

Cubic feet/minute (cfm)
Gallons/minute (gpm)

1.699
0.2271

Cubic meters/second

(m³ /s)

Cubic feet/minute (cfm)

0.000472

Feet

(ft)

Centimeters (cm)
Meters (m)

0.03281
3.281

Feet/minute

(fpm)

Centimeters/second (cm/s)
Meters/second (m/s)

1.969
196.9

Gallons, Imperial

--

Gallons, U.S. (gal)

0.8327

Gallons, U.S.

(gal)

Cubic feet (ft³)
Cubic meters (m³)
Gallons, Imperial --
Liters (l)

7.481
264.2
1.201
0.2642

Gallons/minute

(gpm)

Cubic meters/hour
Liters/second (m³/h)
(l/s)

4.403
15.85

Grams

(g)

Ounces (oz)
Pounds (lb)

28.35
453.6

Grams/cubic centimeter

(g/cm³ )

Kilograms/cubic meter (kg/m³)
Pounds/cubic foot (lb/ft³)
Pounds/cubic inch (lb/in³)

0.001
0.01602
27.68

Inches

(in)

Centimeters (cm)
Millimeters (mm)

0.3937
0.03937

Inches Mercury

(in Hg)

Atmospheres (atm)
Torr -

29.92
25.4

Joules

(J)

British Thermal Units (Btu)
Calories (cal)
Watt-hours (Wh)

1055
4.187
3600

Joules/second

(J/s)

British Thermal Units/hour (Btu/h)
Watts (W)

0.2931
1

Kilocalories/hour

(kcal/h)

BTU/hour (BTU/h)

0.252

Kilograms
Kilograms/cubic meter
Kilograms/cubic meter
Kilograms/square
   centimeter

(kg)
(kg/m³)
(kg/m³)
(kg/cm² )

Pounds (lb)
Grams/cubic centimeter (g/cm³)
Pounds/cubic foot (lb/ft³)
Pounds/square inch (psi)

0.4536
1000
16.02
0.07031

Kilojoules
Kilojoules/kilogram
Kilojoules/kilogram---ºC

(kJ)
(kJ/kg)
(kJ/kg---ºC)

Watt-hours (Wh)
British Thermal Units/pound (Btu/lb)
British Thermal
   Units/pound---ºF (Btu/lb---ºF)

3.6
2.326
4.187

Kilometers/hour

(km/h)

Miles/hour (mph)

1.609

Kilopascals

(kPa)

Pounds/square inch (psi)

6.895

Kilowatts

(KW)

British Thermal Units/hour (BTU/h)
Watts (W)

0.0002931
0.001

Kilowatt-hours

(KWh)

British Thermal Units BTU)
Watt-hours (Wh)

0.0002931
0.001

Liters

(l)

Cubic Feet (ft³)
Cubic Meters (m³)
Gallons, U.S. (gal)

28.32
1000
3.785

Liters/second

(l/s)

Cubic feet/minute (cfm)
Gallons/minute (gpm)

0.4719
0.06309

Meters
Meters/second

(m)
(m/s)

Feet (ft)
Feet/minute (fpm)

0.3048
0.00508

Miles/hour

(mph)

Kilometers/hour (km/h)

0.6215

Millimeters

(mm)

Inches (in)

25.4

Newtons/square meter

(N/m² )

Pounds/square inch (psi)

6,895

Ounces

(oz)

Grams (g)

0.035274

Pounds

(lb)

Grams (g)
Kilograms (kg)

0.002205
2.205

Pounds/cubic foot

(lb/ft³ )

Grams/cubic centimeter (g/cm³)
Kilograms/cubic meter (kg/m³)

62.43
0.06243

Pounds/cubic inch

(lb/in³ )

Grams/cubic centimeter (g/cm³)

0.03613

Pounds/square inch

(psi)

Bar -
Kilograms/square centimeter (kg/cm²)
Kilopascals (kPa)
Newtons/square meter (N/m²)

14.504
14.22
0.145
0.000145

Square centimeters

(cm² )

Square feet (ft²)
Square inches (in²)

929
6.452

Square feet

(ft² )

Square centimeters (cm²)
Square meters (m²)

0.001076
10.76

Square inches

(in² )

Square centimeters (cm²)

0.155

Square meters

(m² )

Square feet (ft²)

0.0929

Torr

Inches Mercury (in. Hg)
Pounds/square inch (psi)

0.03937
51.71

Watts

(W)

British Thermal Units/hour (BTU/h)
Joules/second (J/s)

0.2931
1

Watt-hours

(Wh)

British Thermal Units (BTU)
Joules (J)
Kilojoules (kJ)

0.2931
0.0002778
0.2778

Watts/meter---ºC
 
Watts/square centimeter
Watts/square inch

(W/m---ºC)
 
(W/cm²)
(W/in² )

Watts/square inch (W/in²)
Watts/square centimeter (W/cm²)

0.1442
 
0.155
6.452