Mass per volume density.
Pounds per Gallon to Kilograms per Cubic yard Converter — lb/gal to kg/yd3
Convert Pound per Gallon (lb/gal) to Kilogram per Cubic yard (kg/yd3) using the exact conversion factor (1 pound per gallon = 91.61387712 kilogram per cubic yard). See the formula, worked examples, conversion table, unit comparison, and common uses.
Pounds per Gallon to Kilograms per Cubic yard 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 119.8264273 / 1.307950619.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Gallon to Kilograms per Cubic yard
Pound per Gallon and Kilogram per Cubic yard 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 Gallon is most often used for us paint and coatings density specifications.
Formula
kilograms per cubic yard = pounds per gallon × 91.61387712
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per gallon equals 119.826427317 base units, and 1 kilogram per cubic yard equals 1.30795061931 base units, so dividing one by the other gives the direct pound per gallon-to-kilogram per cubic yard factor of 91.61387712.
Simple example
1 lb/gal × 91.61387712 = 91.61387712 kg/yd3
1 pound per gallon = 91.61387712 kilograms per cubic yard.
Real-world example
1,000 lb/gal × 91.61387712 = 91,613.87712 kg/yd3
1,000 pounds per gallon = 91,613.87712 kilograms per cubic yard.
Conversion table
| Pound per Gallon (lb/gal) | Kilogram per Cubic yard (kg/yd3) |
|---|---|
| 0.1 lb/gal | 9.161387712 kg/yd3 |
| 1 lb/gal | 91.61387712 kg/yd3 |
| 10 lb/gal | 916.1387712 kg/yd3 |
| 100 lb/gal | 9,161.387712 kg/yd3 |
| 1,000 lb/gal | 91,613.87712 kg/yd3 |
| 10,000 lb/gal | 916,138.7712 kg/yd3 |
Reverse conversion: Kilogram per Cubic yard to Pound per Gallon
91.61387712 kg/yd3 × 0.01091537692 = 1 lb/gal
91.61387712 kilograms per cubic yard = 1 pounds per gallon.
pounds per gallon = kilograms per cubic yard × 0.0109153769214
For a page dedicated to this direction, see Kilogram per Cubic yard to Pound per Gallon.
Pound per Gallon vs. Kilogram per Cubic yard
| Aspect | Pound per Gallon | Kilogram per Cubic yard |
|---|---|---|
| Family | US customary density unit | mixed metric/US customary density unit |
| Typical use | US paint and coatings density specifications | 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 Gallon
Pound per Gallon (lb/gal) measures density. The US customary unit for liquid density, based on the US gallon (231 cubic inches). It is classified as a US customary density unit.
Where it's used: United States (paint, fuel, and industrial liquid density specifications)
lb/gal vs. lb/ft³. Both are US customary density units; they're related through the real, fixed relationship between the US gallon and the cubic foot (1 cubic foot ≈ 7.48 US gallons), not a round conversion factor.
Uses of the Pound per Gallon today
- US paint and coatings density specifications
- US fuel and petroleum liquid density specs
- Industrial liquid handling and shipping weight calculations
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
Pound per Gallon — sources
- NIST Handbook 44 — General tables of units including US customary density measures.
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.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilograms per cubic yard are in 1 pound per gallon?
1 pound per gallon equals 91.61387712 kilograms per cubic yard, using the exact defined conversion factor rather than an estimate.
How do I convert pound per gallon to kilogram per cubic yard?
Multiply the pound per gallon value by 91.61387712. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per cubic yard back to pound per gallon?
Use the reverse factor: 1 kilogram per cubic yard equals 0.0109153769 pounds per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per gallon?
Pound per Gallon (lb/gal) measures density. The US customary unit for liquid density, based on the US gallon (231 cubic inches). It is classified as a US customary density unit.
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.
Is the pound per gallon to kilogram per cubic yard conversion exact?
Yes. Both pound per gallon and kilogram per cubic yard are defined by fixed standards rather than physical artifacts, so the factor of 91.61387712 used above is exact to as many digits as you choose to display.
What is the difference between lb/gal vs. lb/ft³?
Both are US customary density units; they're related through the real, fixed relationship between the US gallon and the cubic foot (1 cubic foot ≈ 7.48 US gallons), not a round conversion factor.
Where is the pound per gallon still used today?
United States (paint, fuel, and industrial liquid density specifications)