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Energy Calculator - Common Units and Conversions


Calculators for Energy
 Coal      Crude Oil
 Electricity Gasoline
 Natural Gas  Diesel and Heating Oil

Common Energy Units- scientific notation

Coal Conversion Calculator
Short Tons Btu

Megajoules

 Metric Tons
1 Short Ton = 20,754,000 Btu

Electricity Conversion Calculator
KilowattHours Btu Megajoules million Calories

1 KilowattHour = 3,412 Btu

Natural Gas Conversion Calculator
Cubic Feet Btu Megajoules Cubic Meters

1 Cubic Foot = 1,031 Btu; 1 therm = 100,000 Btu;
1 terajoule = 1,000,000 megajoules                  
Petroleum
Crude Oil Conversion Calculator
Barrels Btu Megajoules

Metric* Tons

1 Barrel = 42 U.S. gallons = 5,800,000 Btu
*note: This is the average number of metric tons per barrel of crude oil used in the U.S. The actual number of metric tons per barrel will be different for different types of crude oil. Think of it like a glass of syrup weighing more than the same sized of soda.
Gasoline Conversion Calculator
Gallons Btu MegaJoules Metric Tons

1 Gallon = 124,000 Btu (rounded to nearest 1000)

Diesel & Heating Oil Conversion Calculator
Gallons Btu Megajoules Metric Tons
1 Gallon = 139,000 Btu (rounded to nearest 1000)

 

Common Energy Units:
Scientific Notation
 
British Thermal Unit (Btu) 1.0
   Millions of Btu 1.0E+06
   Therm 1.0E+05
   Billions of Btu 1.0E+09
   Quad 1.0E+15
   
Calorie 1.0
   Kilocalorie 1.0E+03
   Thermie 1.0E+05
   Teracalorie 1.0E+12
   
Megajoule 1.0E+06
   Joule 1.0
   Gigajoule 1.0E+09
   Terajoule 1.0E+12
   
Kilowatthour (kWh) 1.0E+03
   watthour 1.0
   Megawatthour 1.0E+06
   Gigawatthour 1.0E+09
   Terawatthour 1.0E+12