Linear Feet to Square Feet Calculator — Convert Linear to Square Footage

Linear Feet to Square Feet Calculator

Convert linear feet to square feet instantly. Perfect for flooring, fencing, painting, and material estimation projects. Calculate area from linear measurements.

Step 1: Linear Feet Measurement

ft

Understanding Linear Feet

Linear feet measures length in a straight line, while square feet measures area. To convert linear feet to square feet, multiply linear feet by width (in feet). For inches, convert to feet first by dividing by 12.

Step 2: Calculation Options

10%
Extra material needed for cuts, errors, and future repairs

Formula: Linear Feet × Width (in feet) = Square Feet

Example: 100 linear feet of material that is 12 inches (1 foot) wide equals 100 square feet. For 6-inch width: 100 linear feet × 0.5 feet = 50 square feet.

Linear to Square Feet Conversion Results

Summary
Material Comparison
Area Breakdown

Total Square Footage Required

100.00
Square Feet (including 10% waste)
Net Area
90.91 sq ft
Waste Amount
9.09 sq ft
Estimated Cost
$409.09
Cost per Linear Ft
$4.09/ft

Material Area Comparison

Material Type Common Width Linear Feet Square Feet Cost Estimate

Area Calculation Breakdown

Linear to Square Feet Formula

Square Feet = Linear Feet × (Width in inches ÷ 12)

To convert linear feet to square feet: 1) Convert width from inches to feet by dividing by 12, 2) Multiply linear feet by width in feet. Add waste factor for practical material estimation.

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