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How many kilowatt hours correspond to a kilogram of LPG (propane)?

Category: Safety

One kilogram of LPG (propane) contains 12.87 kilowatt hours of power.

Titelbild Umrechnung Kilowatt in Kilogramm Flüssiggas - GOK-Blog
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The conversion from one kilogram of LPG (propane) to kilowatt hours (kWh) is important for selecting the best pressure regulator, for example. We can show you how the conversion works, and offer you our conversion tool as a service.

The nominal power of GOK pressure regulators is stated in the unit kilograms per hour (kg/h). However, the required consumption of the connected consumer equipment is stated in kilowatts (kW).

The logical question that arises is, how many kilowatt hours are equivalent to one kilogram of LPG (propane). The answer: 12.87 kilowatt hours per kilogram.

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Example

You want to operate a piece of consumer equipment which has a nominal power of 18 kilowatts, for example. You can calculate the maximum output in kilograms of LPG (propane) per hour the pressure regulator must have using the following formula:

18 kW / 12,87 kWh/kg = 1,40 kg/h

Kleinflaschenregler und Behaelterregler Kombination

Calculation tool

Withdrawal output and heating value

A large number of GOK pressure regulators work with a maximum nominal power of 1.5 kilograms per hour. Theoretically, this means that with this kind of pressure regulator, a piece of consumer equipment with nominal power of up to approx. 19 kilowatts can be operated.

Good to know

The heating value of a standard cubic metre of LPG is approx. 26 kilowatt hours and is therefore 2.6 times greater than natural gas.

Author

Editors GOK Blog
The articles are written by specialist authors in the fields of LPG, fuel oil, liquid media, tank management and safety engineering, who contribute their expertise from product management, development, technical customer support, training and standardisation activities. The members of the editorial team have many years of practical experience in the planning, application and further development of technical solutions for the safe supply of LPG and liquid fuels. Several authors are actively involved in specialist committees and working groups of the DVGW, DVFG and figawa, as well as in national and European standardisation committees. The team includes, among others, experts certified in accordance with G 607 and G 608, competent persons in accordance with the TRF, and specialists who contribute to the development and evaluation of technical regulations and industry standards. In addition to providing information about GOK products and solutions, the editorial team focuses on sharing knowledge relating to safety, regulations, maintenance, operation and future technologies in the field of LPG and liquid media.

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This blog will never ask members of the public or unqualified persons to make changes to or fiddle around with technical systems themselves.

In accordance with the Industrial Safety Regulation (BetrSichV), a qualified person must take care of a system which requires monitoring.

A qualified person is someone who has the specific specialist knowledge required. This knowledge is gained by way of a professional apprenticeship, corresponding professional experience or current occupational activity.

Please note that the texts are based on information, regulations and standards for Germany. Please always check the rules and regulations in the relevant country of destination and consult specialists if necessary.