Mass per volume density.
Grains per Imperial gallon to Kilograms per Cubic yard Converter — gr/imp gal to kg/yd3
Convert Grain per Imperial gallon (gr/imp gal) to Kilogram per Cubic yard (kg/yd3) using the exact conversion factor (1 grain per imperial gallon = 0.0108977872 kilogram per cubic yard). See the formula, worked examples, conversion table, and common uses.
Grains per Imperial 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 0.01425376752 / 1.307950619.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Imperial gallon to Kilograms per Cubic yard
Grain per Imperial 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. Both are mass per volume density units.
Formula
kilograms per cubic yard = grains per imperial gallon × 0.0108977872045
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per imperial gallon equals 0.0142537675233 base units, and 1 kilogram per cubic yard equals 1.30795061931 base units, so dividing one by the other gives the direct grain per imperial gallon-to-kilogram per cubic yard factor of 0.0108977872045.
Simple example
1 gr/imp gal × 0.0108977872 = 0.0108977872 kg/yd3
1 grain per imperial gallon = 0.0108977872 kilograms per cubic yard.
Real-world example
1,000 gr/imp gal × 0.0108977872 = 10.8977872 kg/yd3
1,000 grains per imperial gallon = 10.8977872 kilograms per cubic yard.
Conversion table
| Grain per Imperial gallon (gr/imp gal) | Kilogram per Cubic yard (kg/yd3) |
|---|---|
| 0.1 gr/imp gal | 0.0010897787 kg/yd3 |
| 1 gr/imp gal | 0.0108977872 kg/yd3 |
| 10 gr/imp gal | 0.108977872 kg/yd3 |
| 100 gr/imp gal | 1.08977872 kg/yd3 |
| 1,000 gr/imp gal | 10.8977872 kg/yd3 |
| 10,000 gr/imp gal | 108.977872 kg/yd3 |
Reverse conversion: Kilogram per Cubic yard to Grain per Imperial gallon
0.0108977872 kg/yd3 × 91.7617477 = 0.9999999996 gr/imp gal
0.0108977872 kilograms per cubic yard = 0.9999999996 grains per imperial gallon.
grains per imperial gallon = kilograms per cubic yard × 91.7617477047
For a page dedicated to this direction, see Kilogram per Cubic yard to Grain per Imperial gallon.
Understanding the Grain per Imperial gallon (gr/imp gal)
Mass per volume density.
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
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 grain per imperial gallon?
1 grain per imperial gallon equals 0.0108977872 kilograms per cubic yard, using the exact defined conversion factor rather than an estimate.
How do I convert grain per imperial gallon to kilogram per cubic yard?
Multiply the grain per imperial gallon value by 0.0108977872. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per cubic yard back to grain per imperial gallon?
Use the reverse factor: 1 kilogram per cubic yard equals 91.7617477 grains per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per imperial gallon?
Grain per Imperial gallon (gr/imp gal) is a unit of density.
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 grain per imperial gallon to kilogram per cubic yard conversion exact?
Yes. Both grain per imperial gallon and kilogram per cubic yard are defined by fixed standards rather than physical artifacts, so the factor of 0.0108977872 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.