How Much Lumber is in a Log?

cut logForesters use a number of mathematical formulas to estimate the board feet of lumber in a cut log. Using one of these formulas, known as “log rules,” you, too, can estimate the amount of sawn lumber a log will produce. This can be useful, say, if you may want to estimate what you will owe the portable sawmill owner for sawing it up for you (since he probably will charge you per board foot). The estimate will get you close so that the final bill will not be a complete surprise.

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