Formula
lb/in³ to lb/ft³ conversion formula
Use this relationship for a direct conversion:
Worked example
2 lb/in³ = 3,456 lb/ft³.
Unit factors are exact where underlying mass and length definitions are exact.
Density conversion
1 pound per cubic inch (lb/in³) equals 1,728 pound per cubic foot (lb/ft³). Enter any value below to convert from lb/in³ to lb/ft³.
Enter a value and choose units. Results update instantly.
1 lb/in³ = 1,728 lb/ft³
| Unit | Value |
|---|---|
| Kilogram per cubic meter kg/m³ | 27,679.9047102031 |
| Gram per cubic centimeter g/cm³ | 27.6799047102 |
| Gram per liter g/L | 27,679.9047102031 |
| Kilogram per liter kg/L | 27.6799047102 |
| Pound per cubic foot lb/ft³ | 1,728 |
| Pound per cubic inch lb/in³ | 1 |
| Ounce per cubic inch oz/in³ | 16 |
Formula
Use this relationship for a direct conversion:
2 lb/in³ = 3,456 lb/ft³.
Unit factors are exact where underlying mass and length definitions are exact.
Quick reference
| Pound per cubic inch (lb/in³) | Pound per cubic foot (lb/ft³) |
|---|---|
| 0.01 | 17.28 |
| 0.1 | 172.8 |
| 1 | 1,728 |
| 2 | 3,456 |
| 5 | 8,640 |
| 10 | 17,280 |
| 25 | 43,200 |
| 50 | 86,400 |
| 100 | 172,800 |
| 1,000 | 1,728,000.0000000005 |
From unit
International pound divided by cubic international inch.
Symbol: lb/in³
To unit
International pound divided by cubic international foot.
Symbol: lb/ft³
Keep converting
Source
Definitions are checked against NIST SP 811: Density units. Calculations use full internal precision before display rounding.
View the complete density converterQuestions
Use the formula lb/ft³ = lb/in³ x 1,728. 1 pound per cubic inch (lb/in³) equals 1,728 pound per cubic foot (lb/ft³).
Unit factors are exact where underlying mass and length definitions are exact.