Energy

Convert joules to thermochemical small calories for physics, chemistry, heat energy, and classroom unit checks.

Convert thermochemical small calories to joules for physics, chemistry, heat energy, and classroom unit checks.

Convert kilojoules to kilocalories for nutrition labels, food energy, diet tracking, and kcal/Calorie comparisons.

Convert kilocalories to kilojoules for nutrition labels, food energy, diet tracking, and kcal/Calorie comparisons.

Convert watt-hours to joules for batteries, electricity use, energy storage, and one watt for one hour calculations.

Convert joules to watt-hours for batteries, electricity use, energy storage, and one watt for one hour calculations.

Convert electronvolts to joules for particle physics, atomic physics, photons, semiconductors, and quantum energy values.

Convert joules to electronvolts for particle physics, atomic physics, photons, semiconductors, and quantum energy values.

Convert BTU to kilowatt-hours for HVAC heating and cooling, electricity comparisons, energy use, and utility estimates.

Convert kilowatt-hours to BTU for HVAC heating and cooling, electricity comparisons, energy use, and utility estimates.

Convert kilowatt-hours to joules for electricity bills, appliance energy consumption, batteries, and one kilowatt for one hour calculations.

Convert joules to kilowatt-hours for electricity bills, appliance energy consumption, batteries, and one kilowatt for one hour calculations.