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Conversion Factors

Firewood Comparison Table

This firewood comparison table has been extracted from the book, Rodale's Organic Gardening.

Cord = 8 cord feet, 128 cubic feet (8 x 4 x 4).
Cord foot = 1/8 cord, 16 cubic feet (4 x 4 x 1).

Type Seasoned Wood
BTU's / Cord
Splits Easily Overall
Apple 24 million Yes Excellent
Hickory   Yes Excellent
Black Locust   No Excellent
Live Oak   Yes Excellent
Dogwood 23 million Yes Excellent
Elm   No Fair
White Oak   Yes Excellent
Yellow Birch 21 million Yes Excellent
Sugar Maple   Yes Excellent
Red Oak   Yes Excellent
White Ash 20 million Yes Excellent
White Birch 19 million Yes Good
Douglas Fir   Yes Good
Red Maple   Yes Good
Pine 18 million Yes Fair
Sycamore   No Fair
American Elm 17 million No Fair
Silver Maple   Yes Good
Alder 14 million Yes Fair
Cedar   Yes Fair
Hemlock   No Fair
Aspen 13 million Yes Fair
Red Pine   Yes Fair
Balasm Fir 12 million Yes Fair
Ponderosa Pine   Yes Good
White Pine   Yes Fair