Mass per volume density.
Pounds per Cubic foot to Imperial hundredweights per Quart Converter — lb/ft3 to long cwt/qt
Convert Pound per Cubic foot (lb/ft3) to Imperial hundredweight per Quart (long cwt/qt) using the exact conversion factor (1 pound per cubic foot = 0.0002983941 imperial hundredweight per quart). See the formula, worked examples, conversion table, and common uses.
Pounds per Cubic foot to Imperial hundredweights per Quart 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 16.01846337 / 53682.23944.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Cubic foot to Imperial hundredweights per Quart
Pound per Cubic foot and Imperial hundredweight per Quart 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. Pound per Cubic foot is most often used for us construction material density specs (concrete, soil, lumber, insulation).
Formula
imperial hundredweights per quart = pounds per cubic foot × 0.000298394097222
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per cubic foot equals 16.018463374 base units, and 1 imperial hundredweight per quart equals 53682.239438 base units, so dividing one by the other gives the direct pound per cubic foot-to-imperial hundredweight per quart factor of 0.000298394097222.
Simple example
1 lb/ft3 × 0.0002983940972 = 0.0002983941 long cwt/qt
1 pound per cubic foot = 0.0002983941 imperial hundredweights per quart.
Real-world example
1,000 lb/ft3 × 0.0002983940972 = 0.2983940972 long cwt/qt
1,000 pounds per cubic foot = 0.2983940972 imperial hundredweights per quart.
Conversion table
| Pound per Cubic foot (lb/ft3) | Imperial hundredweight per Quart (long cwt/qt) |
|---|---|
| 0.1 lb/ft3 | 0.0000298394 long cwt/qt |
| 1 lb/ft3 | 0.0002983941 long cwt/qt |
| 10 lb/ft3 | 0.002983941 long cwt/qt |
| 100 lb/ft3 | 0.0298394097 long cwt/qt |
| 1,000 lb/ft3 | 0.2983940972 long cwt/qt |
| 10,000 lb/ft3 | 2.983940972 long cwt/qt |
Reverse conversion: Imperial hundredweight per Quart to Pound per Cubic foot
0.0002983941 long cwt/qt × 3351.272727 = 1.000000009 lb/ft3
0.0002983941 imperial hundredweights per quart = 1.000000009 pounds per cubic foot.
pounds per cubic foot = imperial hundredweights per quart × 3351.27272727
For a page dedicated to this direction, see Imperial hundredweight per Quart to Pound per Cubic foot.
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
Understanding the Imperial hundredweight per Quart (long cwt/qt)
Mass per volume density.
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 imperial hundredweights per quart are in 1 pound per cubic foot?
1 pound per cubic foot equals 0.0002983941 imperial hundredweights per quart, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cubic foot to imperial hundredweight per quart?
Multiply the pound per cubic foot value by 0.0002983940972. The converter above does this instantly to whatever precision you set.
How do I convert imperial hundredweight per quart back to pound per cubic foot?
Use the reverse factor: 1 imperial hundredweight per quart equals 3,351.272727 pounds per cubic foot. You can also use the swap control in the converter above to flip the direction instantly.
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.
What is a imperial hundredweight per quart?
Imperial hundredweight per Quart (long cwt/qt) is a unit of density.
Is the pound per cubic foot to imperial hundredweight per quart conversion exact?
Yes. Both pound per cubic foot and imperial hundredweight per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.0002983940972 used above is exact to as many digits as you choose to display.
Where is the pound per cubic foot still used today?
United States (construction, engineering, materials specifications)
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.