Firewood BTU & Cord Calculator
Figure out how much firewood to buy or stack this winter based on your stove usage and the type of wood you burn.
About this calculator
Estimate how many cords of firewood you need for the heating season and the total heat output based on wood type and daily burn hours.
Frequently Asked Questions
How much wood is in a cord?
A standard cord of firewood is a stacked pile measuring 4 feet by 4 feet by 8 feet, or 128 cubic feet, and typically weighs around 4,000 lbs when seasoned hardwood.
Does wood type really matter?
Yes. Denser hardwoods like oak and maple produce significantly more heat per cord than softwoods like pine, so you'll need less volume of hardwood to produce the same warmth.
How accurate is this estimate?
This is a general estimate based on average burn rates and BTU content. Actual usage varies by stove efficiency, insulation, climate, and how well the wood is seasoned.