Convert pound per cubic foot to kilogram per cubic meter instantly. Type in either field — results update live.
Selected lb/ft³ values converted to kg/m³ using the exact factor from this tool.
| lb/ft³ | kg/m³ |
|---|---|
| 0.01 | 0.1601846337 |
| 0.1 | 1.601846337 |
| 1 | 16.01846337 |
| 2 | 32.03692674 |
| 3 | 48.05539011 |
| 5 | 80.09231685 |
| 10 | 160.1846337 |
| 20 | 320.3692674 |
| 50 | 800.9231685 |
| 100 | 1,601.846337 |
| 1,000 | 16,018.46337 |
Exact conversion factors in both directions, plus a worked example.
1 lb/ft³ = 16.01846337 kg/m³
1 kg/m³ = 0.0624279606 lb/ft³
To convert pound per cubic foot to kilogram per cubic meter, multiply by 16.01846337.
To convert kilogram per cubic meter to pound per cubic foot, multiply by 0.0624279606.
Example: convert 10 lb/ft³ to kg/m³
10 × 16.01846337 = 160.1846337 kg/m³
Short background on the units used in this conversion.
The pound per cubic foot (lb/ft³) is an imperial density unit common in US construction and bulk material handling.
Pounds per cubic foot rate lumber, foam insulation, soil fill, and aggregate in US engineering references.
The kilogram per cubic meter (kg/m³) is the SI unit of density — mass per unit volume in the metric system.
Kilograms per cubic meter describe air and material densities in science, engineering, and building insulation specs.
kg/m³ = lb/ft³ × 16.01846337lb/ft³ = kg/m³ × 0.0624279606, using the same exact factors as this converter.Jump to any density conversion starting from pound per cubic foot — including the reverse direction and every other unit in our dataset.