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Firewood Cord Calculator

Find how many cords of firewood.

How it is calculated

The tool multiplies the three stack dimensions to get a volume, then divides by 3.62 to get cords: volume = length × width × height and cords = volume / 3.62. The volume is shown in cubic metres (m³), so the three dimensions should be entered in metres. Both results are rounded to two decimals. Negative values are rejected. The 3.62 m³ divisor is the size of a full cord (128 cubic feet); the tool measures the outside dimensions of the stack, so air gaps between logs are included and a loosely piled stack holds less actual wood than a tightly stacked one. Other regions sell wood by the stere or the loose cubic metre, so check which unit your supplier uses.

Worked example

A neatly stacked pile is 2.4 m long, 0.5 m deep (one log length) and 1.2 m high. Volume: 2.4 × 0.5 × 1.2 = 1.44 m³. Cords: 1.44 / 3.62 = 0.398, which the tool rounds to 0.40 cord. So the pile is a little under half of a full cord.

Try this example →

Common mistakes

  • Typing feet or inches into the fields, even though the volume is reported in cubic metres.
  • Measuring a wide, loose pile and expecting the same wood as a tight stack; the tool only measures the outside volume.
  • Using the log length as depth for a stack that is two rows deep, so the depth is half what it really is.
  • Comparing the cord figure to a seller's stere or loose-cubic-metre price without converting units.

About this calculator

This calculator finds how many cords of firewood a stack contains from its length, width, and height, all entered in metres. A full cord is a standardized stack measuring 4 feet high by 4 feet deep by 8 feet long — 128 cubic feet, or about 3.62 cubic metres of stacked wood — so the calculator divides your stack's volume in cubic metres by 3.62 to get the cord count.

Homeowners heating with a wood stove use it to check whether a delivered load matches what they paid for, and firewood sellers use it to price a stack fairly.

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Comments (1)

  • Editorial team

    Check what the seller means by a cord before comparing prices. A stack 2.44 m long, 1.22 m high and only 0.41 m deep, which is a single row of short logs, comes to about 0.34 here, close to one third of a full cord, even though its face looks like the familiar 4 by 8 foot pile. The tool measures the outside of the stack, so loose piling counts as wood. How is firewood sold where you live?

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