Board Foot Calculator Board Foot Calculator Board Foot Calculator Welcome to Shebang Calculate Board Feet In a Tree Entry Form Tree Length: In feet Large Diameter:In inches Small Diameter:In inches Answer Total Cubic Ft.: Total Board Feet: Logs to Make 1 Cord: How To Use This Board Feet Calculator. Enter length of log in feet. Enter large diameter in inches. Enter small diameter in inches. Harvesting Trees Books Cords of Wood Calculator Index © Find N Choose Serving the Internet Community Since 1998 - All Rights Reserved. Board Foot Calculator, Smalian Formula. Calculate Board Feet, and cubic feet in a Tree. Calculate Number of Trees to Make a Cord.