Question

change into 1kwh = 2joule

Answer 1

One kilowatt-hour is equal to 3600000 joules:

1kWh = 3600000J = 3.6⋅106J = 3.6MJ

 

So the energy in joules E(J) is equal to 3600000 times the energy in kilowatt-hour E(kWh):

E(J) = 3600000 ⋅ E(kWh)

kWh to joules conversion table Energy (kWh) Energy (J) 1 kWh 3600000 J 2 kWh 7200000 J 3 kWh 10800000 J 4 kWh 14400000 J 5 kWh 18000000 J 6 kWh 21600000 J 7 kWh 25200000 J 8 kWh 28800000 J 9 kWh 32400000 J 10 kWh 36000000 J 20 kWh 72000000 J 30 kWh 108000000 J 40 kWh 144000000 J 50 kWh 180000000 J 60 kWh 216000000 J 70 kWh 252000000 J 80 kWh 288000000 J 90 kWh 324000000 J 100 kWh 360000000 J 200 kWh 720000000 J 300 kWh 1080000000 J 400 kWh 1440000000 J 500 kWh 1800000000 J 600 kWh 2160000000 J 700 kWh 2520000000 J 800 kWh 2880000000 J 900 kWh 3240000000 J 1000 kWh 3600000000 J

Answer 2

3600000 J. ................