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To convert volumes of gas, multiply the flow of a specific gas by a given factor to obtain the flow of another gas.
Factors for conversion between Air, Butane, Natural Gas, and Propane are provided.

CONVERSION FACTORS:
- Air to Butane: 0.707
- Air to Natural Gas: 0.808
- Air to Propane: 1.237
- Butane to Air: 1.414
- Butane to Natural Gas: 0.625
- Butane to Propane: 1.598
- Natural Gas to Air: 1.140
- Natural Gas to Butane: 1.290
- Natural Gas to Propane: 0.775
- Propane to Air: 0.874
- Propane to Butane: 1.826
- Propane to Natural Gas: 1.414

ORIFICE CAPACITIES:
Orifice capacities are provided in BTU/HR at 11" W.C. for various orifice or drill sizes.

CONVERSION UNITS:
Conversion factors for various units of measurement, including pressure, length, volume, and temperature, are provided.

PIPE AND TUBING SIZING:
Maximum undiluted propane capacities are listed for various pipe and tubing sizes, based on 11" W.C. setting and a 0.5" W.C. pressure drop.

LOCATION OF ASME CONTAINERS:
Minimum distances from external sources of ignition, intake to direct vented gas appliances, and other LP Gas containers are specified.

COMMON FUELS:
Energy content per gallon and per pound for various fuels, including Propane, Butane, Gasoline, and Fuel Oil, are provided.

MISCELLANEOUS:
Conversion factors for various units of measurement, including volume, energy, and weight, are provided.

TANK SIZE AND PREVAILING AIR TEMPERATURE:
Water capacity and prevailing air temperature for various tank sizes are provided.

AVERAGE PROPERTIES OF PROPANE:
Physical and chemical properties of propane, including boiling point, specific gravity, and combustion data, are provided.