Board Foot Calculator

Enter your lumber dimensions below to calculate total board feet easily.

Board Feet
Cubic Feet

 How to Use the Board Foot Calculator

  1. Enter Thickness
    Type the thickness of your board — for example, 1 inch or 25 mm.

  2. Enter Width
    Type how wide the board is — for example, 6 inches or 150 mm.

  3. Enter Length
    Type the length of the board — for example, 8 feet, 2.4 meters, or any unit you prefer.

  4. Select Units
    Choose the correct unit for each measurement (inches, millimeters, feet, or meters).

  5. Enter Number of Pieces (optional)
    If you have multiple boards of the same size, enter how many you have.

  6. Click the “Calculate” Button
    The total Board Feet (BF) and Cubic Feet (CF) will appear instantly, along with a detailed breakdown.

  7. Click “Reset”
    Use this to clear all fields and start a new calculation.


 Quick Tip

  • 1 Board Foot = 1 inch thick × 12 inches wide × 12 inches long.

  • You can mix metric and imperial units. the calculator will handle the conversions automatically