Linear Feet to Square Feet Calculator

Check how much area a quoted length can cover before you approve the order.

All results are estimates. Always verify measurements on site.

Estimator guide

Planning notes for Linear Feet to Square Feet Calculator

480 LF at 6 in wide covers 240 sq ft before waste.

Good for

  • checking supplier quotes
  • coverage estimates
  • leftover material planning

How to use it

  • Enter the linear feet.
  • Set the width of the material.
  • Use waste if the quoted length already includes extra material.
Formula check: Linear feet to square feet: linear feet multiplied by width in feet.

Quick Conversions

100 sq ft at 6 in width

200 LF

6 in

LF = (100 x 12) / 6

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.

View all FAQ

Pro Tip

A waste factor of 5-15% helps cover cuts, mistakes, and layout adjustments. When in doubt, round up.

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