What is a lb/ft³ (lb/ft³)?

Pounds per cubic foot (lb/ft³) is a unit of density commonly used in the US for building materials.

Definition

Symbol

lb/ft³

Category

Density

System

Imperial

1 {unit} = {value} {otherUnit}

1 lb/ft³ = 16.0185 kg/m³ (kg/m³)

1 lb/ft³ = 0.0160185 g/cm³ (g/cm³)

1 lb/ft³ = 0.0160185 g/mL (g/mL)

1 lb/ft³ = 0.133681 lb/gal (lb/gal)

Common Uses

  • Soil density
  • Concrete mix design
  • Insulation specifications

lb/ft³ Conversions

Related Units