How to Convert lb/ft³ to lb/in³
To convert lb/ft³ to lb/in³, divide the value by 1727.99575491.
The Formula
lb/in³ = lb/ft³ ÷ 1727.99575491
Key Fact
1 pound per cubic inch = 1727.99575491 lb/ft³
Tip: To convert lb/in³ back to lb/ft³, multiply by 1727.99575491.