100 sq ft at 6 in width
200 LF
6 in
LF = (100 x 12) / 6
Linear Feet Calculator
Convert area or length into linear feet, then price the material before you buy.
All results are estimates. Always verify measurements on site.
Estimator guide
Planning notes for Linear Feet Calculator
For 240 sq ft with 6 in material, the raw amount is 480 LF.
Good for
- lumber and rolls sold by length
- material quotes with waste
- quick board counts
How to use it
- Enter the area or measured length.
- Set the material width.
- Add waste, board length, and price if needed.
Formula check: For area conversions, linear feet equals square feet divided by material width in feet.
Quick Conversions
200 sq ft at 5.5 in width
436.4 LF
5.5 in
LF = (200 x 12) / 5.5
500 sq ft at 12 in roll width
500 LF
12 in roll
LF = (500 x 12) / 12
1000 sq ft at 16 in width
750 LF
16 in
LF = (1000 x 12) / 16
Use Cases
Flooring and Decking
LF = area / plank width
Example
240 sq ft at 6 in width
480 LF
Baseboard and Trim
LF = room perimeter - openings
Example
120 ft perimeter + 2 doors
168 LF
Fencing
Panels = fence line / panel width
Example
200 ft fence line
25 panels
Freight Pallets
LF = trailer length used
Example
53 ft trailer length
212 LF
Board Feet and Lumber
LF = board feet x 12 / size
Example
100 BF, 2 x 6
100 LF
Frequently Asked Questions
A linear foot is one foot of length. It does not include width or thickness unless you are converting from area or board feet.
Pro Tip
A waste factor of 5-15% helps cover cuts, mistakes, and layout adjustments. When in doubt, round up.
Calculator Pages
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