The Unit Converters

lb/in³ to lb/ft³

1 lb/in³ = 1728 lb/ft³


Conversion Formula

To convert lb/in³ to lb/ft³, multiply the value by 1728.

lb/in³ × 1728 = lb/ft³

Quick Reference

lb/in³ lb/ft³
1 1728
5 8640
10 17280
25 43200
50 86400
100 172800
500 864000
1000 1728000

What is lb/in³?

Pound per cubic inch (symbol: lb/in³) is a US customary unit of density.

One lb/in³ is approximately equal to 27,679.9 kg/m³.

Common Uses

This is a high-density unit often used in aerospace and mechanical engineering in the United States to describe the density of metals like steel, titanium, or aluminum.

What is lb/ft³?

Pound per cubic foot (symbol: lb/ft³) is a US customary unit of density.

One lb/ft³ is approximately equal to 16.018 kg/m³.

Common Uses

This is the standard unit in the United States for describing the density of building materials, soil, and large volumes of liquid in civil engineering and construction.

How many lb/ft³ are in a lb/in³?

There are 1728 lb/ft³ in 1 lb/in³.


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