Convert Ounce per Cubic Foot to Pound per Cubic Inch

Convert ounces per cubic foot to pounds per cubic inch by entering a value below.

1 oz/ft³ (ounces per cubic foot) = 3.6168981486e-5 lb/in³ (pounds per cubic inch)

How to Convert Ounces per Cubic Foot to Pounds per Cubic Inch

The ounce per cubic foot and pound per cubic inch are both units of density. 1 pound per cubic inch equals 27647.999996 ounces per cubic foot. This means to convert ounces per cubic foot to pounds per cubic inch, you divide by 27647.999996.

Formula

pounds per cubic inch = ounces per cubic foot ÷ 27647.999996

Step-by-Step Example

Convert 5 oz/ft³ to pounds per cubic inch:

1
Convert 5 oz/ft³ to pounds per cubic inch

We need to convert ounces per cubic foot to pounds per cubic inch

2
Apply the formula

Since 1 lb/in³ = 27647.999996 oz/ft³, divide by 27647.999996

5 ÷ 27647.999996 = 0.0001808449

Answer

5 oz/ft³ = 0.0001808449 lb/in³

Ounce per Cubic Foot to Pound per Cubic Inch Conversion Table

Quick reference table for common ounce per cubic foot to pound per cubic inch conversions. Click any value for detailed calculation.

Ounces per Cubic Foot (oz/ft³) Pounds per Cubic Inch (lb/in³)
0.1 oz/ft³ 3.6168981486e-6 lb/in³
0.5 oz/ft³ 1.8084490743e-5 lb/in³
1 oz/ft³ 3.6168981486e-5 lb/in³
2 oz/ft³ 7.2337962973e-5 lb/in³
5 oz/ft³ 0.0001808449 lb/in³
10 oz/ft³ 0.0003616898 lb/in³
25 oz/ft³ 0.0009042245 lb/in³
50 oz/ft³ 0.0018084491 lb/in³
100 oz/ft³ 0.0036168981 lb/in³

About These Units

Ounce per Cubic Foot (oz/ft³)

Ounces per cubic foot (oz/ft³) measures lighter materials and packaging. Styrofoam: 1-3 oz/ft³. Fiberglass insulation: 0.5-1.0 oz/ft³. Used for foam densities, pillow fills, and lightweight insulation materials.

Pound per Cubic Inch (lb/in³)

Pounds per cubic inch (lb/in³) measures dense materials in engineering. Steel: 0.284 lb/in³. Aluminum: 0.098 lb/in³. Lead: 0.41 lb/in³. Used for metal stock, casting specifications, and precision manufacturing in US customary units.

Frequently Asked Questions

How do I convert ounces per cubic foot to pounds per cubic inch?

To convert ounces per cubic foot to pounds per cubic inch, divide the value by 27647.999996. For example, 10 oz/ft³ = 0.0003616898 lb/in³.

How many pounds per cubic inch are in 1 ounce per cubic foot?

1 ounce per cubic foot equals 3.6168981486e-5 pounds per cubic inch.

What is the formula for ounces per cubic foot to pounds per cubic inch?

The formula is: lb/in³ = oz/ft³ ÷ 27647.999996.