Mass per volume density.
Pounds per Cubic foot to Imperial hundredweights per Gallon Converter — lb/ft3 to long cwt/gal
Convert Pound per Cubic foot (lb/ft3) to Imperial hundredweight per Gallon (long cwt/gal) using the exact conversion factor (1 pound per cubic foot = 0.0011935764 imperial hundredweight per gallon). See the formula, worked examples, conversion table, and common uses.
Pounds per Cubic foot to Imperial hundredweights per Gallon converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Mass per volume density.
Result = input x 16.01846337 / 13420.55986.
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 Gallon
Pound per Cubic foot and Imperial hundredweight per Gallon 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 gallon = pounds per cubic foot × 0.00119357638889
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 gallon equals 13420.5598595 base units, so dividing one by the other gives the direct pound per cubic foot-to-imperial hundredweight per gallon factor of 0.00119357638889.
Simple example
1 lb/ft3 × 0.001193576389 = 0.0011935764 long cwt/gal
1 pound per cubic foot = 0.0011935764 imperial hundredweights per gallon.
Real-world example
1,000 lb/ft3 × 0.001193576389 = 1.193576389 long cwt/gal
1,000 pounds per cubic foot = 1.193576389 imperial hundredweights per gallon.
Conversion table
| Pound per Cubic foot (lb/ft3) | Imperial hundredweight per Gallon (long cwt/gal) |
|---|---|
| 0.1 lb/ft3 | 0.0001193576 long cwt/gal |
| 1 lb/ft3 | 0.0011935764 long cwt/gal |
| 10 lb/ft3 | 0.0119357639 long cwt/gal |
| 100 lb/ft3 | 0.1193576389 long cwt/gal |
| 1,000 lb/ft3 | 1.193576389 long cwt/gal |
| 10,000 lb/ft3 | 11.93576389 long cwt/gal |
Reverse conversion: Imperial hundredweight per Gallon to Pound per Cubic foot
0.0011935764 long cwt/gal × 837.8181818 = 1.000000009 lb/ft3
0.0011935764 imperial hundredweights per gallon = 1.000000009 pounds per cubic foot.
pounds per cubic foot = imperial hundredweights per gallon × 837.818181818
For a page dedicated to this direction, see Imperial hundredweight per Gallon 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 Gallon (long cwt/gal)
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 gallon are in 1 pound per cubic foot?
1 pound per cubic foot equals 0.0011935764 imperial hundredweights per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cubic foot to imperial hundredweight per gallon?
Multiply the pound per cubic foot value by 0.001193576389. The converter above does this instantly to whatever precision you set.
How do I convert imperial hundredweight per gallon back to pound per cubic foot?
Use the reverse factor: 1 imperial hundredweight per gallon equals 837.8181818 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 gallon?
Imperial hundredweight per Gallon (long cwt/gal) is a unit of density.
Is the pound per cubic foot to imperial hundredweight per gallon conversion exact?
Yes. Both pound per cubic foot and imperial hundredweight per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.001193576389 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.