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Demo form

House power usage
Calculate the total power usage for some apparatus. See also Electric_power
Math
power*duration
Inputs
Watts
h
Watts
h
Outputs
hour
(24 * 356)
J
Joules. (1000 * 60 * 60)
MJ
(kwh / 1000 / 1000)
KWh
(vacuumpower * vacuumduration * hoursperyear / kwh)
KWh
(doorbellpower * doorbellduration * hoursperyear / kwh)