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The formula used to calculate the volume is:

\[ \text{Board Feet} = (0.0494 \times D^2 \times L) - (0.124 \times D \times L) - (0.269 \times L) \]

The Scribner Log Rule is a method used in the forest industry to measure the volume of a log in board feet. It applies to logs with various diameters and lengths.

Steps to calculate the volume:

- Measure the diameter on the small end of the log in inches.
- Enter the length of the log in feet.
- The formula calculates the volume in board feet, cubic feet, and cubic meters.

Let's assume the following values:

- Diameter = 20 inches
- Length = 16 feet

Using the formula:

\[ \text{Board Feet} = (0.0494 \times 20^2 \times 16) - (0.124 \times 20 \times 16) - (0.269 \times 16) = 224 \]

Diameter (inches) | Length (feet) | Volume |
---|---|---|

6 | 16 | 12.3 |

8 | 16 | 30.4 |

10 | 16 | 54.9 |

12 | 16 | 85.7 |

14 | 16 | 122.8 |

16 | 16 | 166.3 |

18 | 16 | 216.1 |

20 | 16 | 272.2 |

22 | 16 | 334.6 |

24 | 16 | 403.4 |

26 | 16 | 478.4 |

28 | 16 | 559.8 |

30 | 16 | 647.5 |

32 | 16 | 741.6 |

34 | 16 | 841.9 |

36 | 16 | 948.6 |