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Frequently asked questions

Gas conversions

The calorific value of LPG can be worked out using the following calculations

  • 1 Tonne = 1000kg or 1969 litres, therefore 1kg = 1.969 litres
  • 1 Litre of propane = 7.113 kilowatts per hour or 24000 btu/h
  • 1kg of propane = 14.019 kilowatts per hour or 47300 btu/h
  • 1 litre of fuel oil = 10.18 kilowatts per hour or 34347 btu/h
  • To convert m³ of vapour to litres of liquid; multiply by 3.85
  • to convert ft³ of vapour to litres; multiply by 0.1034
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