fuelcalc Fuel Costs Calculator This form demonstrats potential savings in fuel costs by improving combustion efficiency. Efficiency is improved by adjusting fuel-air ratio. Please enter your current combustion parameters: Fuel #2 Oil #4 Oil #6 Oil Natural Gas Anthracite Bitumnious Lignite Wood 50% H20 Wood 0% H20 Kerosene Propane Butane Coke Oven Gas Blast Furnace Sewer Gas Fuel Price $/Gallon $/100 Cubic Feet $/Ton Boiler/Engine Capacity (Demand) BTU/Hour HP Pounds/Hour Usage Hours/Day Hours/Month Hours/Year O2 % Stack Temperature °F °C Combustible Gases (Methane) % Ambient Temperature °F °C Combustibles in Ash %