Standard Energy Units
Energy is the quantitative property transferred to a body or physical system to perform work. The International System of Units (SI) unit of energy is the joule (J). In daily life and nutrition, calories and kilowatt-hours (kWh) are widely used for diet tracking and electricity measurement.
Mechanical & Scientific
Joules (J) and Kilojoules (kJ). 1 Joule is the energy dissipated when 1 amp passes through 1 ohm for 1 second.
Electrical & Nutritional
Watt-hours (Wh), Kilowatt-hours (kWh), Calories (cal), and food Kilocalories (kcal).