Feature Report: Measuring Energy

4 items of content in this feature report

Featured Figures

Summary Table of Units of Energy Measurement

 Below, a summary table of units of measurement used in the energy sector.

Name and abbreviation Definition
BarrelUnit of volume measurement for crude oil that is equivalent to approximately 159 liters (0.159 cubic meters)... ("bbl" or "b") Unit of measurement for volume, specific to petroleum products.
1 barrel = 158.99 liters
Barrel of oil equivalent (barrel of oil equivalent (boe)Unit of measurement used to convert an energy content into its equivalent in volume of oil...) 1 barrel of oil equivalent corresponds to the energy produced when a barrel of oil is burned.
British Thermal Unit (BTU) Imperial unit of measurement for energy.
1 BTU ≈ 1055 joules (J)
Calorie (cal), thermie (th) Former unit of measurement for energy.
1 calorie = 4.184 joules (J)
1 thermie = 1 million calories
Cubic foot (CF) Imperial unit of measurement for volume.
1 cubic foot = 28.32 liters (l)
Cubic meter (m3) Unit of measurement for volume.
Cubic meter per second (m3/s) Unit of measurement for flow.
Degree Celsius (°C) Unit of measurement for temperature, derived from the International System of Units.
Gallon (gal) Imperial unit of measurement for volume.
1 U.K. gal = 4.546 liters (l); 1 U.S. gallon = 3.785 liters (l)
Horsepower (hp) Unit of measurement for powerIn physics, power is the amount of energy supplied by a system per unit time. In simpler terms, power can be viewed as energy output...
1 horsepower = 735.5 watts (W)
JouleA derived unit of energy, work or amount of heat in the International System of Units. Its symbol is J... (J) Official unit of measurement for energy.
Kilowatt-hour (kWh) Commonly used unit of measurement for energy
 kilowatt-hour = 3.6 × 106 joules (J)
Meter per second (m/s) Unit of measurement for speed.
Stere (st) Unit of measurement for a volume of wood.
1 stere = 1 cubic meter of stacked logs, including the empty spaces between them
Ton (t) Unit of measurement for weight.
Ton of coal equivalent (tce)Unit of energy measurement corresponding to the energy produced by the combustion of a ton of coal... 1 ton of coalCoal is ranked by its degree of transformation or maturity, increasing in carbon content from... equivalent equals the energy produced when a ton of coal is burned.
1 ton of coal equivalent = 0.66 ton of oil equivalent (toe)Unit of energy measurement corresponding to the energy produced by the combustion of a ton of oil... (toe), on average
Ton of oil equivalent (toe) 1 ton of oil equivalent equals the energy produced when a ton of oil is burned.
WattThe watt (symbol W) is the derived unit of power (see definition) in the International System of Units (SI)... (W) Official unit of measurement for power.