1 ounce per cubic inch [oz/in3] = 108 pound per cubic foot [lb/ft3]
Example: 1 ounce per cubic inch [oz/in3] equals 108 pound per cubic foot [lb/ft3].
Examples
1 ounce per cubic inch [oz/in3] = 108 pound per cubic foot [lb/ft3]
2 ounce per cubic inch [oz/in3] = 216 pound per cubic foot [lb/ft3]
5 ounce per cubic inch [oz/in3] = 540 pound per cubic foot [lb/ft3]
10 ounce per cubic inch [oz/in3] = 1080 pound per cubic foot [lb/ft3]
20 ounce per cubic inch [oz/in3] = 2160 pound per cubic foot [lb/ft3]
25 ounce per cubic inch [oz/in3] = 2700 pound per cubic foot [lb/ft3]
Practical Uses for ounce per cubic inch to pound per cubic foot
quick homework checksshopping and product comparisonstravel planningprofessional estimatesDIY and household measurementsgeneral reference
Sources and Accuracy
Density conversions use kilogram per cubic meter as the reference unit and include metric, laboratory, and imperial material-density units.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-05-21.
About These Units
ounce per cubic inch [oz/in3]
Definition
The ounce per cubic inch (oz/in3) is a density unit used to express measurements in this converter.
History
This unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current use
Use ounce per cubic inch when comparing density values, checking specifications, converting between systems, or preparing quick estimates.
pound per cubic foot [lb/ft3]
Definition
Pounds per cubic foot is a customary density unit based on pounds of mass per cubic foot of volume.
History
The unit developed from customary weight and volume measures used in building and material trades.
Current use
lb/ft3 is used for soil, wood, concrete, insulation, shipping, and material specifications.
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How to Convert
Enter the value in the “From value” field.
Confirm the source unit is ounce per cubic inch [oz/in3].
Confirm the target unit is pound per cubic foot [lb/ft3].
How do I convert ounce per cubic inch to pound per cubic foot?
Use this formula: 1 ounce per cubic inch [oz/in3] = 108 pound per cubic foot [lb/ft3] Enter your value in the calculator and the result updates instantly.
How many pound per cubic foot are in 1 ounce per cubic inch?
1 ounce per cubic inch [oz/in3] equals 108 pound per cubic foot [lb/ft3].
Can I reverse this conversion?
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.