Mass per volume density.
US hundredweights per Cubic Meter to Pounds per Cubic foot Converter — cwt/m3 to lb/ft3
Convert US hundredweight per Cubic Meter (cwt/m3) to Pound per Cubic foot (lb/ft3) using the exact conversion factor (1 us hundredweight per cubic meter = 2.831684659 pound per cubic foot). See the formula, worked examples, conversion table, and common uses.
US hundredweights per Cubic Meter 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 45.359237 / 16.01846337.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting US hundredweights per Cubic Meter to Pounds per Cubic foot
US hundredweight per Cubic Meter 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 = us hundredweights per cubic meter × 2.8316846592
This factor comes from each unit's defined relationship to the category's base unit: 1 us hundredweight per cubic meter equals 45.359237 base units, and 1 pound per cubic foot equals 16.018463374 base units, so dividing one by the other gives the direct us hundredweight per cubic meter-to-pound per cubic foot factor of 2.8316846592.
Simple example
1 cwt/m3 × 2.831684659 = 2.831684659 lb/ft3
1 us hundredweight per cubic meter = 2.831684659 pounds per cubic foot.
Real-world example
1,000 cwt/m3 × 2.831684659 = 2,831.684659 lb/ft3
1,000 us hundredweights per cubic meter = 2,831.684659 pounds per cubic foot.
Conversion table
| US hundredweight per Cubic Meter (cwt/m3) | Pound per Cubic foot (lb/ft3) |
|---|---|
| 0.1 cwt/m3 | 0.2831684659 lb/ft3 |
| 1 cwt/m3 | 2.831684659 lb/ft3 |
| 10 cwt/m3 | 28.31684659 lb/ft3 |
| 100 cwt/m3 | 283.1684659 lb/ft3 |
| 1,000 cwt/m3 | 2,831.684659 lb/ft3 |
| 10,000 cwt/m3 | 28,316.84659 lb/ft3 |
Reverse conversion: Pound per Cubic foot to US hundredweight per Cubic Meter
2.831684659 lb/ft3 × 0.3531466672 = 0.9999999999 cwt/m3
2.831684659 pounds per cubic foot = 0.9999999999 us hundredweights per cubic meter.
us hundredweights per cubic meter = pounds per cubic foot × 0.353146667215
For a page dedicated to this direction, see Pound per Cubic foot to US hundredweight per Cubic Meter.
Understanding the US hundredweight per Cubic Meter (cwt/m3)
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 us hundredweight per cubic meter?
1 us hundredweight per cubic meter equals 2.831684659 pounds per cubic foot, using the exact defined conversion factor rather than an estimate.
How do I convert us hundredweight per cubic meter to pound per cubic foot?
Multiply the us hundredweight per cubic meter value by 2.831684659. The converter above does this instantly to whatever precision you set.
How do I convert pound per cubic foot back to us hundredweight per cubic meter?
Use the reverse factor: 1 pound per cubic foot equals 0.3531466672 us hundredweights per cubic meter. You can also use the swap control in the converter above to flip the direction instantly.
What is a us hundredweight per cubic meter?
US hundredweight per Cubic Meter (cwt/m3) 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 us hundredweight per cubic meter to pound per cubic foot conversion exact?
Yes. Both us hundredweight per cubic meter and pound per cubic foot are defined by fixed standards rather than physical artifacts, so the factor of 2.831684659 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.