Square Feet to Linear Feet Calculator
Convert square feet to linear feet for materials.
sq ft
Linear Feet = Square Feet ÷ Width (in feet)
Example: 100 sq ft divided by 8in width = 150 linear feet of material needed. At 12in width, you need only 100 linear feet
What is the difference between square feet and linear feet?
Square feet measures area (length × width). Linear feet measures only length in one direction, regardless of width.
When do I need this conversion?
Use this when buying materials sold by linear foot (lumber, molding, fabric, fencing) but you know the area you need to cover.
How do I add waste factor?
Add 5-15% for cuts and mistakes. Complex patterns or angles need more waste. Simple runs need less.
📐 Formula
Linear Feet = Square Feet ÷ Width (in feet)
📝 Example Calculation
Example: 100 sq ft divided by 8in width = 150 linear feet of material needed. At 12in width, you need only 100 linear feet
❓ Frequently Asked Questions
What is the difference between square feet and linear feet?▼
Square feet measures area (length × width). Linear feet measures only length in one direction, regardless of width.
When do I need this conversion?▼
Use this when buying materials sold by linear foot (lumber, molding, fabric, fencing) but you know the area you need to cover.
How do I add waste factor?▼
Add 5-15% for cuts and mistakes. Complex patterns or angles need more waste. Simple runs need less.