Mass per volume density.
Grains per Cubic yard to Grains per Gallon Converter — gr/yd3 to gr/gal
Convert Grain per Cubic yard (gr/yd3) to Grain per Gallon (gr/gal) using the exact conversion factor (1 grain per cubic yard = 0.0049511317 grain per gallon). See the formula, worked examples, and conversion table.
Grains per Cubic yard to Grains per Gallon 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 8.47537745e-5 / 0.01711806105.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Cubic yard to Grains per Gallon
Grain per Cubic yard and Grain per Gallon 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
grains per gallon = grains per cubic yard × 0.00495113168724
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per cubic yard equals 0.0000847537744654 base units, and 1 grain per gallon equals 0.0171180610453 base units, so dividing one by the other gives the direct grain per cubic yard-to-grain per gallon factor of 0.00495113168724.
Simple example
1 gr/yd3 × 0.004951131687 = 0.0049511317 gr/gal
1 grain per cubic yard = 0.0049511317 grains per gallon.
Real-world example
1,000 gr/yd3 × 0.004951131687 = 4.951131687 gr/gal
1,000 grains per cubic yard = 4.951131687 grains per gallon.
Conversion table
| Grain per Cubic yard (gr/yd3) | Grain per Gallon (gr/gal) |
|---|---|
| 0.1 gr/yd3 | 0.0004951132 gr/gal |
| 1 gr/yd3 | 0.0049511317 gr/gal |
| 10 gr/yd3 | 0.0495113169 gr/gal |
| 100 gr/yd3 | 0.4951131687 gr/gal |
| 1,000 gr/yd3 | 4.951131687 gr/gal |
| 10,000 gr/yd3 | 49.51131687 gr/gal |
Reverse conversion: Grain per Gallon to Grain per Cubic yard
0.0049511317 gr/gal × 201.974026 = 1.000000003 gr/yd3
0.0049511317 grains per gallon = 1.000000003 grains per cubic yard.
grains per cubic yard = grains per gallon × 201.974025974
For a page dedicated to this direction, see Grain per Gallon to Grain per Cubic yard.
Understanding the Grain per Cubic yard (gr/yd3)
Mass per volume density.
Understanding the Grain per Gallon (gr/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per gallon are in 1 grain per cubic yard?
1 grain per cubic yard equals 0.0049511317 grains per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert grain per cubic yard to grain per gallon?
Multiply the grain per cubic yard value by 0.004951131687. The converter above does this instantly to whatever precision you set.
How do I convert grain per gallon back to grain per cubic yard?
Use the reverse factor: 1 grain per gallon equals 201.974026 grains per cubic yard. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per cubic yard?
Grain per Cubic yard (gr/yd3) is a unit of density.
What is a grain per gallon?
Grain per Gallon (gr/gal) is a unit of density.
Is the grain per cubic yard to grain per gallon conversion exact?
Yes. Both grain per cubic yard and grain per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.004951131687 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.