Mass per volume density.
Pounds per Liter to Pounds per Cubic foot Converter — lb/L to lb/ft3
Convert Pound per Liter (lb/L) to Pound per Cubic foot (lb/ft3) using the exact conversion factor (1 pound per liter = 28.31684659 pound per cubic foot). See the formula, worked examples, conversion table, and common uses.
Pounds per Liter to Pounds per Cubic foot converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Context values
Some unit families need one extra value for a physically accurate result.
Mass per volume density.
Result = input x 453.59237 / 16.01846337.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Liter to Pounds per Cubic foot
Pound per Liter and Pound per Cubic foot both measure density — mass per unit volume — a property used to identify materials, check manufacturing quality, and predict whether something floats or sinks. As a fixed reference point, water has a density of exactly 1000 kg/m³ (1 g/cm³, 1 g/mL) at its temperature of maximum density, which is why many density figures in science and engineering are quoted relative to water. Both are mass per volume density units.
Formula
pounds per cubic foot = pounds per liter × 28.316846592
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per liter equals 453.59237 base units, and 1 pound per cubic foot equals 16.018463374 base units, so dividing one by the other gives the direct pound per liter-to-pound per cubic foot factor of 28.316846592.
Simple example
1 lb/L × 28.31684659 = 28.31684659 lb/ft3
1 pound per liter = 28.31684659 pounds per cubic foot.
Real-world example
1,000 lb/L × 28.31684659 = 28,316.84659 lb/ft3
1,000 pounds per liter = 28,316.84659 pounds per cubic foot.
Conversion table
| Pound per Liter (lb/L) | Pound per Cubic foot (lb/ft3) |
|---|---|
| 0.1 lb/L | 2.831684659 lb/ft3 |
| 1 lb/L | 28.31684659 lb/ft3 |
| 10 lb/L | 283.1684659 lb/ft3 |
| 100 lb/L | 2,831.684659 lb/ft3 |
| 1,000 lb/L | 28,316.84659 lb/ft3 |
| 10,000 lb/L | 283,168.4659 lb/ft3 |
Reverse conversion: Pound per Cubic foot to Pound per Liter
28.31684659 lb/ft3 × 0.03531466672 = 0.9999999999 lb/L
28.31684659 pounds per cubic foot = 0.9999999999 pounds per liter.
pounds per liter = pounds per cubic foot × 0.0353146667215
For a page dedicated to this direction, see Pound per Cubic foot to Pound per Liter.
Understanding the Pound per Liter (lb/L)
Mass per volume density.
Understanding the Pound per Cubic foot
Pound per Cubic foot (lb/ft3) measures density. The US customary unit for expressing density, commonly used in construction and engineering material specifications. It is classified as a US customary density unit.
Where it's used: United States (construction, engineering, materials specifications)
Uses of the Pound per Cubic foot today
- US construction material density specs (concrete, soil, lumber, insulation)
- US engineering material property tables
- Bulk material handling and shipping weight estimates
Pound per Cubic foot — sources
- NIST Handbook 44 — General tables of units including US customary density measures.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per cubic foot are in 1 pound per liter?
1 pound per liter equals 28.31684659 pounds per cubic foot, using the exact defined conversion factor rather than an estimate.
How do I convert pound per liter to pound per cubic foot?
Multiply the pound per liter value by 28.31684659. The converter above does this instantly to whatever precision you set.
How do I convert pound per cubic foot back to pound per liter?
Use the reverse factor: 1 pound per cubic foot equals 0.0353146667 pounds per liter. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per liter?
Pound per Liter (lb/L) is a unit of density.
What is a pound per cubic foot?
Pound per Cubic foot (lb/ft3) measures density. The US customary unit for expressing density, commonly used in construction and engineering material specifications. It is classified as a US customary density unit.
Is the pound per liter to pound per cubic foot conversion exact?
Yes. Both pound per liter and pound per cubic foot are defined by fixed standards rather than physical artifacts, so the factor of 28.31684659 used above is exact to as many digits as you choose to display.
What's the difference between density and mass concentration?
Density is the mass of a pure substance or material per unit volume. Mass concentration is the mass of one component — like a dissolved solute — within a mixture's total volume. The two use the same kind of units but describe different physical situations.