The Kilowatt-hour (kWh)
Key concepts:
- 1 kWh = 3.6 × 10⁶ J
- Unit of electrical energy
- Common in utility billing
- Power × time measure
- Industrial standard unit
Convert Electrical Energy from Kilowatt-hours to Joules with Precision
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Convert energy values from Kilowatt-hours (kWh) to Joules (J) with high precision.
Calculate energy consumption cost based on power rating and usage time.
Key concepts:
Important distinctions:
Common appliances:
Key factors:
1 kWh = 3,600,000 J
1 kWh = 3.6 MJ
E(kWh) = P(kW) × t(h)
Cost = E × Rate
P = VI (DC circuits)
P = VI cos φ (AC circuits)