Mass per volume density.
Kilograms per Cubic yard to Pound per Cubic inches Converter — kg/yd3 to lb/in3
Convert Kilogram per Cubic yard (kg/yd3) to Pound per Cubic inch (lb/in3) using the exact conversion factor (1 kilogram per cubic yard = 0.0000472527 pound per cubic inch). See the formula, worked examples, conversion table, unit comparison, and common uses.
Kilograms per Cubic yard to Pound per Cubic inches 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 / 27679.90471.
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 Pound per Cubic inches
Kilogram per Cubic yard and Pound per Cubic inch 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
pound per cubic inches = kilograms per cubic yard × 0.0000472527139457
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 inch equals 27679.9047102 base units, so dividing one by the other gives the direct kilogram per cubic yard-to-pound per cubic inch factor of 0.0000472527139457.
Simple example
1 kg/yd3 × 0.00004725271395 = 0.0000472527 lb/in3
1 kilogram per cubic yard = 0.0000472527 pound per cubic inches.
Real-world example
1,000 kg/yd3 × 0.00004725271395 = 0.047252714 lb/in3
1,000 kilograms per cubic yard = 0.047252714 pound per cubic inches.
Conversion table
| Kilogram per Cubic yard (kg/yd3) | Pound per Cubic inch (lb/in3) |
|---|---|
| 0.1 kg/yd3 | 0.0000047253 lb/in3 |
| 1 kg/yd3 | 0.0000472527 lb/in3 |
| 10 kg/yd3 | 0.0004725271 lb/in3 |
| 100 kg/yd3 | 0.0047252714 lb/in3 |
| 1,000 kg/yd3 | 0.047252714 lb/in3 |
| 10,000 kg/yd3 | 0.4725271395 lb/in3 |
Reverse conversion: Pound per Cubic inch to Kilogram per Cubic yard
0.0000472527 lb/in3 × 21162.80561 = 0.9999997049 kg/yd3
0.0000472527 pound per cubic inches = 0.9999997049 kilograms per cubic yard.
kilograms per cubic yard = pound per cubic inches × 21162.8056147
For a page dedicated to this direction, see Pound per Cubic inch to Kilogram per Cubic yard.
Kilogram per Cubic yard vs. Pound per Cubic inch
| Aspect | Kilogram per Cubic yard | Pound per Cubic inch |
|---|---|---|
| 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 | Used in machining and materials engineering, particularly for describing the density of metals, where a smaller volume unit than the cubic foot gives a more convenient figure |
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 inch
Pound per Cubic inch (lb/in3) measures density. A US customary density unit suited to describing dense materials in a small volume. It is classified as a US customary density unit.
Where it's used: United States
Uses of the Pound per Cubic inch today
- Used in machining and materials engineering, particularly for describing the density of metals, where a smaller volume unit than the cubic foot gives a more convenient figure
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 inch — sources
- US materials-engineering reference tables — Pounds per cubic inch is a commonly tabulated density unit for metals in US machining and materials references.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pound per cubic inches are in 1 kilogram per cubic yard?
1 kilogram per cubic yard equals 0.0000472527 pound per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert kilogram per cubic yard to pound per cubic inch?
Multiply the kilogram per cubic yard value by 0.00004725271395. The converter above does this instantly to whatever precision you set.
How do I convert pound per cubic inch back to kilogram per cubic yard?
Use the reverse factor: 1 pound per cubic inch equals 21,162.80561 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 inch?
Pound per Cubic inch (lb/in3) measures density. A US customary density unit suited to describing dense materials in a small volume. It is classified as a US customary density unit.
Is the kilogram per cubic yard to pound per cubic inch conversion exact?
Yes. Both kilogram per cubic yard and pound per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 0.00004725271395 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.