Start from 1 J = 1 Ws
1 Wh = 3600 Ws (J)
1 kWh = 1000 * 3600 J = 3.6 MJ
1 kWh = 3.6 MJ
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A joule is a watt second. You should be able to figure it out from that information.
?confusing stuff. lookup on the search engines. it could actually help.
?problematic situation. query onto google. it may help.
Please help!