 | 1924 - 368 pages
...273 Board Measure Lumber is measured in board feet. A board foot is 1 ft. by 1 ft., and 1 in. thick. To find the number of board feet in a piece of lumber, multiply the number of square feet of surface by the thickness in inches. Any thickness less than an inch is considered... | |
 | Thomas Alexander, Charles Madison Sarratt - Arithmetic - 1924 - 462 pages
...7. A 20-foot piece 4" X6". 10. An 18-foot piece 2" X4". 44. Estimating Board Feet in Several Pieces To find the number of board feet in a piece of lumber, multiply the length in feet by the width and thickness in inches and divide by 12. How many board feet are there... | |
 | Joseph Clifton Brown, Albert Clayton Eldredge - Arithmetic - 1924 - 346 pages
...is three inches, one-third extra is usually allowed. The following rule is commonly used for finding the number of board feet in a piece of lumber. Multiply the length in feet by the number of inches in the thickness by the number of inches in the width, then... | |
 | Harry De Witt De Groat, Sidney Grant Firman, William A. Smith - Arithmetic - 1926 - 368 pages
...22£ = 225 these three numbers by the number of pieces. The boards contain 225 board feet. Remember : To find the number of board feet in a piece of lumber, multiply together the numbers representing the length in feet, the width in feet and the thickness in inches.... | |
 | Raymond Asa Kent, Martha C. Olsen, James R. Skiles - Arithmetic - 1927 - 462 pages
...feet or 6 board feet. If the piece is 4 inches wide? You answer, ^ of 12 board feet or 4 board feet. To find the number of board feet in a piece of lumber 1 inch thick: 1. For 6 inches wide take \ the length. 2. For 3 inches wide take -j- the length. 3.... | |
 | Jack Payne Jones - House & Home - 1986 - 422 pages
...that's one foot long has one board foot. A 2 x 4 has 0.6666 board feet per foot of length. Here's how to find the number of board feet in a piece of lumber: Multiply the thickness (in inches) by the width (in inches). Divide by ¡2. Multiply by the length of the lumber... | |
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To find — The Number of Board Feet in a Piece of Lumber. Multiply the product of its length and width in feet by its thickness in inches. (Disregard thickness when it is one inch or less.) 8. 
