Mass per volume density.
Hectograms per Cubic yard to Pounds per Cubic foot Converter — hg/yd3 to lb/ft3
Convert Hectogram per Cubic yard (hg/yd3) to Pound per Cubic foot (lb/ft3) using the exact conversion factor (1 hectogram per cubic yard = 0.008165269 pound per cubic foot). See the formula, worked examples, conversion table, and common uses.
Hectograms per Cubic yard 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 0.1307950619 / 16.01846337.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Hectograms per Cubic yard to Pounds per Cubic foot
Hectogram per Cubic yard 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 = hectograms per cubic yard × 0.00816526896981
This factor comes from each unit's defined relationship to the category's base unit: 1 hectogram per cubic yard equals 0.130795061931 base units, and 1 pound per cubic foot equals 16.018463374 base units, so dividing one by the other gives the direct hectogram per cubic yard-to-pound per cubic foot factor of 0.00816526896981.
Simple example
1 hg/yd3 × 0.00816526897 = 0.008165269 lb/ft3
1 hectogram per cubic yard = 0.008165269 pounds per cubic foot.
Real-world example
1,000 hg/yd3 × 0.00816526897 = 8.16526897 lb/ft3
1,000 hectograms per cubic yard = 8.16526897 pounds per cubic foot.
Conversion table
| Hectogram per Cubic yard (hg/yd3) | Pound per Cubic foot (lb/ft3) |
|---|---|
| 0.1 hg/yd3 | 0.0008165269 lb/ft3 |
| 1 hg/yd3 | 0.008165269 lb/ft3 |
| 10 hg/yd3 | 0.0816526897 lb/ft3 |
| 100 hg/yd3 | 0.816526897 lb/ft3 |
| 1,000 hg/yd3 | 8.16526897 lb/ft3 |
| 10,000 hg/yd3 | 81.6526897 lb/ft3 |
Reverse conversion: Pound per Cubic foot to Hectogram per Cubic yard
0.008165269 lb/ft3 × 122.4699399 = 1.000000004 hg/yd3
0.008165269 pounds per cubic foot = 1.000000004 hectograms per cubic yard.
hectograms per cubic yard = pounds per cubic foot × 122.4699399
For a page dedicated to this direction, see Pound per Cubic foot to Hectogram per Cubic yard.
Understanding the Hectogram per Cubic yard (hg/yd3)
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 hectogram per cubic yard?
1 hectogram per cubic yard equals 0.008165269 pounds per cubic foot, using the exact defined conversion factor rather than an estimate.
How do I convert hectogram per cubic yard to pound per cubic foot?
Multiply the hectogram per cubic yard value by 0.00816526897. The converter above does this instantly to whatever precision you set.
How do I convert pound per cubic foot back to hectogram per cubic yard?
Use the reverse factor: 1 pound per cubic foot equals 122.4699399 hectograms per cubic yard. You can also use the swap control in the converter above to flip the direction instantly.
What is a hectogram per cubic yard?
Hectogram per Cubic yard (hg/yd3) 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 hectogram per cubic yard to pound per cubic foot conversion exact?
Yes. Both hectogram per cubic yard and pound per cubic foot are defined by fixed standards rather than physical artifacts, so the factor of 0.00816526897 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.