Mass per volume density.
Kilograms per Cubic yard to Pounds per Cubic foot Converter — kg/yd3 to lb/ft3
Convert Kilogram per Cubic yard (kg/yd3) to Pound per Cubic foot (lb/ft3) using the exact conversion factor (1 kilogram per cubic yard = 0.0816526897 pound per cubic foot). See the formula, worked examples, conversion table, unit comparison, and common uses.
Kilograms 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 1.307950619 / 16.01846337.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Kilograms per Cubic yard to Pounds per Cubic foot
Kilogram 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. Kilogram per Cubic yard is most often used for can be used to express the density of bulk construction materials such as gravel, soil, or aggregate — in practice, us construction and landscaping references more commonly express this as tons per cubic yard or pounds per cubic foot.
Formula
pounds per cubic foot = kilograms per cubic yard × 0.0816526896981
This factor comes from each unit's defined relationship to the category's base unit: 1 kilogram per cubic yard equals 1.30795061931 base units, and 1 pound per cubic foot equals 16.018463374 base units, so dividing one by the other gives the direct kilogram per cubic yard-to-pound per cubic foot factor of 0.0816526896981.
Simple example
1 kg/yd3 × 0.0816526897 = 0.0816526897 lb/ft3
1 kilogram per cubic yard = 0.0816526897 pounds per cubic foot.
Real-world example
1,000 kg/yd3 × 0.0816526897 = 81.6526897 lb/ft3
1,000 kilograms per cubic yard = 81.6526897 pounds per cubic foot.
Conversion table
| Kilogram per Cubic yard (kg/yd3) | Pound per Cubic foot (lb/ft3) |
|---|---|
| 0.1 kg/yd3 | 0.008165269 lb/ft3 |
| 1 kg/yd3 | 0.0816526897 lb/ft3 |
| 10 kg/yd3 | 0.816526897 lb/ft3 |
| 100 kg/yd3 | 8.16526897 lb/ft3 |
| 1,000 kg/yd3 | 81.6526897 lb/ft3 |
| 10,000 kg/yd3 | 816.526897 lb/ft3 |
Reverse conversion: Pound per Cubic foot to Kilogram per Cubic yard
0.0816526897 lb/ft3 × 12.24699399 = 1 kg/yd3
0.0816526897 pounds per cubic foot = 1 kilograms per cubic yard.
kilograms per cubic yard = pounds per cubic foot × 12.24699399
For a page dedicated to this direction, see Pound per Cubic foot to Kilogram per Cubic yard.
Kilogram per Cubic yard vs. Pound per Cubic foot
| Aspect | Kilogram per Cubic yard | Pound per Cubic foot |
|---|---|---|
| Family | mixed metric/US customary density unit | US customary density unit |
| Typical use | Can be used to express the density of bulk construction materials such as gravel, soil, or aggregate — in practice, US construction and landscaping references more commonly express this as tons per cubic yard or pounds per cubic foot | US construction material density specs (concrete, soil, lumber, insulation) |
Understanding the Kilogram per Cubic yard
Kilogram per Cubic yard (kg/yd3) measures density. A mathematically valid way to express bulk material density in kilograms per cubic yard. It is classified as a mixed metric/US customary density unit.
Uses of the Kilogram per Cubic yard today
- Can be used to express the density of bulk construction materials such as gravel, soil, or aggregate — in practice, US construction and landscaping references more commonly express this as tons per cubic yard or pounds 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
Kilogram per Cubic yard — sources
- US construction and landscaping material-estimating references — Bulk material weight by volume is typically reported in tons per cubic yard in US construction and landscaping contexts.
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 kilogram per cubic yard?
1 kilogram per cubic yard equals 0.0816526897 pounds per cubic foot, using the exact defined conversion factor rather than an estimate.
How do I convert kilogram per cubic yard to pound per cubic foot?
Multiply the kilogram per cubic yard value by 0.0816526897. The converter above does this instantly to whatever precision you set.
How do I convert pound per cubic foot back to kilogram per cubic yard?
Use the reverse factor: 1 pound per cubic foot equals 12.24699399 kilograms per cubic yard. You can also use the swap control in the converter above to flip the direction instantly.
What is a kilogram per cubic yard?
Kilogram per Cubic yard (kg/yd3) measures density. A mathematically valid way to express bulk material density in kilograms per cubic yard. It is classified as a mixed metric/US customary density unit.
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 kilogram per cubic yard to pound per cubic foot conversion exact?
Yes. Both kilogram per cubic yard and pound per cubic foot are defined by fixed standards rather than physical artifacts, so the factor of 0.0816526897 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.