Calculate how many btus you need to heat a room or even a house with a wood burning pellet or gas fireplace insert or stove.
Gas fire pit btu calculator.
If you have 100 000 btu available from your gas source for your fire pit and the fire pit is 20 feet from the gas source you would need a 3 4 diameter hard pipe.
The 3 4 pipe over 100 feet would only deliver 68 000 btu s.
Btu relation to flame height.
It can be used to describe the heat produced by a natural gas fireplace an electric heater or a propane fire pit to name a few.
A fire pit burner requiring 250 000 btu s would need a 3 4 pipe for a 30 long run.
If the same fire pit is 100 feet from the gas source then you would need a 1 diameter pipe.
Btu stands for british thermal units.
Numbers are in thousands of btu s chart is based on normal household natural gas pressure is approximately 7 water column please verify example.
Folks often wonder if btus directly impact the height of your fire pit flames.
The answer is yes the higher the btus the higher you can expect the flames in your fire pit to rise.
The calculator works for trapezoid or rectangular fireplaces if your fireplace is really large or has an unusual shape feel free to email us with the dimensions and include a picture if you like the calculator will work for most standard size fireplaces.