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Firewood Cord Calculator

Convert a wood stack into full and face cords and estimate a season's heating.

ft
ft
ft

How deep the stack is — typically the length of the cut logs, e.g. 16 in = 1.33 ft.

$

Optional — your local going rate for a full cord, to value the stack.

2 cords
Full cords
256 cu ft
Stack volume
$500
Estimated value

How the firewood calculator works

Multiply the stack's length, height, and depth (in feet) to get its volume in cubic feet, then divide by 128 — the cubic feet in a full cord — to find how many cords it holds. Enter your local price per cord to value a stack or check a seller's quote. Stacking tightly and measuring honestly matters: loose or short stacks hold less than they look.

Heating with your own wood is one reason homesteaders factor a woodlot into their land plan — see our land needed calculator to size one in.

Frequently asked questions

What is a cord of firewood?

A full cord is 128 cubic feet of stacked wood — most commonly a stack 4 feet high, 8 feet long, and 4 feet deep. This calculator multiplies your stack's length, height, and depth to get the volume, then divides by 128 to find how many full cords it holds.

What's the difference between a full cord and a face cord?

A full cord is the full 128 cubic feet. A 'face cord' (or rick) is one row 4 feet high and 8 feet long, but only as deep as the logs are long — often 16 inches, which is about a third of a full cord. Sellers sometimes quote face cords, so always confirm the depth before comparing prices.

How many cords do I need to heat a home for winter?

As a rough guide, 3 to 6 full cords heats a typical home for a winter when wood is the main heat source — more in a cold climate or a leaky house, less in a small, well-insulated one. Hardwoods like oak and maple pack far more heat per cord than softwoods.