Log Volume Calculator
Calculate the volume of a log in cubic feet.
Calculating the volume of a log is a fundamental first step for many forestry and woodworking tasks. Whether you're estimating log weight, determining potential board foot yield, or calculating firewood volume, it all starts with knowing the log's cubic footage.
This calculator simplifies the process by treating the log as a perfect cylinder. By providing the average diameter and length, you can get a quick and reliable estimate of its total volume, which is essential for any subsequent calculations regarding the log's value or utility.
The volume of a log is calculated using the standard formula for the volume of a cylinder.
- Measure Log Dimensions: Measure the average diameter of the log in inches and the total length in feet.
- Convert Diameter to Radius in Feet: The calculator first divides the diameter by 2 to get the radius, then divides by 12 to convert the radius from inches to feet.
- Apply Volume Formula: It then uses the formula `V = πr²h`, where 'r' is the radius in feet and 'h' is the length in feet.
Volume (ft³) = π × (Radius (ft))² × Length (ft)
- Volume: The amount of three-dimensional space occupied by an object, measured in cubic units like cubic feet (ft³).
- Cylinder: A three-dimensional solid with two parallel circular bases and a curved surface connecting them. Logs are approximated as cylinders for volume calculations.
- Log Taper: The natural decrease in a log's diameter from its base to its top. This calculator uses an average diameter to account for taper.
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Always double-check your measurements before cutting.
Account for the kerf (the width of the saw blade) in your calculations.
Consider wood movement (expansion and contraction) in your final dimensions.
Buy 10-15% extra material to account for mistakes and waste.