# What Does a Cord of Wood Weigh?

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A cord of wood is a volume measurement. A block of wood weighs a different amount depending on its species and how green or wet it is (water increases the weight), so every cord will weigh differently depending on the type of wood. An average cord of seasoned firewood weighs 2,000 to 3,000 pounds and can be carried in a 1/2-ton or 3/4-ton pickup.

## Converting Volume to Weight

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To convert volume to weight, you have to have additional information: the density or unit weight of whatever is being converted. The weight will be the number of units times the weight of one unit. The same problem arises in converting American and European cooking recipes: Americans use cups, a volume measurement, whereas Europeans use ounces or grams, a weight measurement. A cup of flour isn't the same weight as a cup of raisins; each ingredient must be individually converted.

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## Weight of a Seasoned Cord

A cord is a stack of wood 4 feet by 4 feet by 8 feet, which equals 128 cubic feet. Firewood is commonly sold by the cord (as is pulpwood for making paper). In reality, there will be air in any unit of stacked wood, usually around 25 percent of the space, although it can be more in a stack of uneven logs.

Here are typical examples of weight per cord of firewood for various types of wood in pounds for a seasoned (dry) cord:

• Alder: 2,000 to 2,600
• Sycamore: 2,390 to 3,080
• Maple, Big Leaf: 2,350 to 3,000
• Douglas Fir: 2,400 to 3,075
• Oak, White: 2,880 to 3,710
• Dogwood: 3,130 to 4,025

## Weight of a Green Cord

The Engineering Toolbox has a table showing specific densities of green (newly cut, or "wet") and seasoned wood, with weights per cord for a number of species. This shows a significant difference in weight between green and dry, seasoned wood.

For example, they give alder as 2,218 pounds/cord when dry, but 3,640 when green. Soft maple is 2,640 pounds dry and 3,950 green; red oak is 3,350 pounds dry and 4,886 green. This is approximately half as much again for green wood (multiply seasoned wood weight by 1.5 for an average weight increase).

## Pickup Cargo Capacity for Firewood

People often want to know the weight of a cord to determine if they can carry a whole cord in their pickup, or if they need to make two trips. A truck is rated for cargo weight (amount you can carry in the bed) and gross vehicle weight (total weight of truck, cargo, and passengers). Carrying above the gross vehicle weight is a safety hazard, especially in braking.