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Efficient Lumber Calculation Guide for Cutting Board Projects

Understand the concept of board foot measurement for woodworking projects. Learn how to calculate costs and materials for a cutting board and a step stool. Enhance your woodworking skills with this detailed guide.

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Efficient Lumber Calculation Guide for Cutting Board Projects

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  1. Board Footage Cutting Board Example Project (I) Example Project (II)

  2. What is the Cutting Board Overall Measurement? T” x W” x L”

  3. Overall Measurements 1” x 8-5/8” x 16”

  4. What Does Board Foot Represent? • Board Foot: • Representation of the total amount of material present in lumber through a squared measurement. • Bd Ft is calculated by • Thickness” x Width” x Length” 144 OR • Thickness” x Width” x Length’ 12

  5. Calculate for NCWHS Cutting Board 1” x 8-5/8” x 16” 144

  6. Cutting Board Bd. Ft. Answer • Calculated Answer = .95833¯ • Industrial Rounded Answer = .96 • The measurement is round to the nearest hundredth of the decimal point.

  7. Figure Cost • NCWHS Bd/Ft cost is $2.60 • Individually calculate the cost of cutting board

  8. Total Cost • Actual Calculated Cost = $2.496 • Rounded Industrial Cost = $2.50 • Because the US monetary system round to the nearest hundreth (.01), the true cost is also rounded to this.

  9. Example Project IStep Stool

  10. Bill of Materials • Bill of Materials: • List of materials that are needed to manufacture / construct an item. • This list includes: • Lumber • Hardware • Glue • Stain • Varnish • All other items needed to finish the project

  11. Step Stool Bill of Materials Directions: Figure the bd/ft for each of the items listed above. Note, the last item has two pcs. Figure the amount for one pc. then multiply that by two.

  12. Step Stool Answers • Top = 1 Bd/Ft • Middle Step = .75 Bd/Ft • Sides = .94 Bd/Ft per side x 2 = 1.88 Bd/Ft • Total Amount = 3.63 Bd/Ft • Total Cost = $9.44 in lumber only…..

  13. Bd/Ft Quiz • Complete the Bd/Ft Quiz document

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