Kilowatt Hour

kWh

Commonly Used Scientific Unit

The kilowatt hour is the unit you see on your electricity bill. It measures electrical energy consumption and is used by all utility companies globally.

Quick Converter

1 kWh = kJ

Controls display format. Very small or very large numbers will be shown in scientific notation (e.g., 1.5e-6).

Kilowatt Hour (kWh)

The kilowatt hour is the unit you see on your electricity bill. It measures electrical energy consumption and is used by all utility companies globally.

Characteristics

  • Energy unit (non-SI but practical)
  • 1 kWh = 3,600,000 joules
  • 1 kWh = 1,000 Wh
  • Electricity billing: billed in kWh
  • Used in: utility companies, energy measurement, grid power

Conversions

  • 1 kWh = 3,600,000 J
  • 1 kWh = 3600 kJ
  • 1 kWh = 3.6 MJ
  • 1 kWh = 1000 Wh
  • 1 kWh = 860.042 kcal
  • 1 kWh = 3.41214 MMBtu

Used In Regions

International Worldwide Utility