Unit s, c onv er sion f act or s and t abl es – Roxul Industrial Insulation Process User Manual
Page 146
Unit
s, c
onv
er
sion f
act
or
s and t
abl
es
3.1.11 Conversion of energy and heat scales
3.1.12 Conversion of power scales
Unit
Joule
(J)
Kilojoule
(kJ)
Megajoule
(MJ)
Kilowatt hours
(kWh)
Kilocalorie
(Kcal)
British Thermal Unit
(BTU)
Joule (J)
0.001
10
-6
2.78 * 10
-7
2.39 * 10
-4
9.479 * 10
-4
Kilojoule (kJ)
1000
0.001
2.7810 * 10
-4
0.239
0.948
Megajoule (MJ)
10
6
1000
0.278
238.8
948
Kilowatt hours (kWh)
3.6 * 10
6
3600
3.6
859.8
3412.3
Kilocalorie (Kcal)
4187
4.187
4.19 * 10
-3
1.2 * 10
-3
3.873
British Thermal Unit
(BTU)
1055
1.055
1.055 * 10
-3
2.933 * 10
-4
0.252
Unit
Watt
(W)
Kilowatt
(kW)
Kilocalorie
per second
(kcal/s)
Horsepower
(HP)
British Thermal
Unit per second
(BTU/s)
British Thermal
Unit per hour
(BTU/h)
Watt (W)
0.001
2.39 * 10
-4
1.36 * 10
-3
0.948 * 10
-3
3415.2 * 10
-3
Kilowatt (kW)
1000
0.239
1.36
0.948
3415.2
Kilocalorie per second
(kcal/s)
4186.8
4.187
5.692
3.968
1.429 *10
3
Horse power (HP)
735.5
0.736
0.176
0.698
2551.9
British Thermal Unit
per second (BTU/s)
1055.06
1.06
0.252
1.433
3600
British Thermal Unit
per hour (BTU/h)
0.293
2.93 * 10
-4
7.000 * 10
-5
3.981 * 10
-4
2.777 * 10
-3
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