Online gas conversion calculators are available from Rigzone.com, Natgas.info and the website for Delek energy. Users can make conversion calculations on these calculators for free.
Rigzone.com provides a comprehensive and complex gas conversion calculator. Users can choose from seven unit types including quantities of volume, liquefied natural gas and gas production rates.
Natgas.info provides a simplified calculator with two types of conversion calculations. Users can convert units of volume or units of gas rates and products.
Delek Energy's website provides a basic volume conversion calculator. Users can select from a long list of units for conversion including cubic feet, British thermal units and equivalent barrels of oil.