Firewood BTU Calculator
Firewood BTU
Estimate BTU output by wood type and volume.
Formula
Usable BTU = BTU/cord x Cords x Efficiency/100
Frequently Asked Questions
Which wood produces the most heat?
Hardwoods like oak and hickory produce the most BTU per cord.
What is a cord of wood?
A cord is a stack of wood measuring 4 by 4 by 8 feet.