Mass per volume density.
Grains per Cup to Ounces per Cubic yard Converter — gr/cup to oz/yd3
Convert Grain per Cup (gr/cup) to Ounce per Cubic yard (oz/yd3) using the exact conversion factor (1 grain per cup = 7.386478664 ounce per cubic yard). See the formula, worked examples, and conversion table.
Grains per Cup to Ounces 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 0.2738889767 / 0.03707977633.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Cup to Ounces per Cubic yard
Grain per Cup and Ounce 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
ounces per cubic yard = grains per cup × 7.38647866419
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per cup equals 0.273888976724 base units, and 1 ounce per cubic yard equals 0.0370797763286 base units, so dividing one by the other gives the direct grain per cup-to-ounce per cubic yard factor of 7.38647866419.
Simple example
1 gr/cup × 7.386478664 = 7.386478664 oz/yd3
1 grain per cup = 7.386478664 ounces per cubic yard.
Real-world example
1,000 gr/cup × 7.386478664 = 7,386.478664 oz/yd3
1,000 grains per cup = 7,386.478664 ounces per cubic yard.
Conversion table
| Grain per Cup (gr/cup) | Ounce per Cubic yard (oz/yd3) |
|---|---|
| 0.1 gr/cup | 0.7386478664 oz/yd3 |
| 1 gr/cup | 7.386478664 oz/yd3 |
| 10 gr/cup | 73.86478664 oz/yd3 |
| 100 gr/cup | 738.6478664 oz/yd3 |
| 1,000 gr/cup | 7,386.478664 oz/yd3 |
| 10,000 gr/cup | 73,864.78664 oz/yd3 |
Reverse conversion: Ounce per Cubic yard to Grain per Cup
7.386478664 oz/yd3 × 0.1353825071 = 1 gr/cup
7.386478664 ounces per cubic yard = 1 grains per cup.
grains per cup = ounces per cubic yard × 0.135382507073
For a page dedicated to this direction, see Ounce per Cubic yard to Grain per Cup.
Understanding the Grain per Cup (gr/cup)
Mass per volume density.
Understanding the Ounce per Cubic yard (oz/yd3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ounces per cubic yard are in 1 grain per cup?
1 grain per cup equals 7.386478664 ounces per cubic yard, using the exact defined conversion factor rather than an estimate.
How do I convert grain per cup to ounce per cubic yard?
Multiply the grain per cup value by 7.386478664. The converter above does this instantly to whatever precision you set.
How do I convert ounce per cubic yard back to grain per cup?
Use the reverse factor: 1 ounce per cubic yard equals 0.1353825071 grains per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per cup?
Grain per Cup (gr/cup) is a unit of density.
What is a ounce per cubic yard?
Ounce per Cubic yard (oz/yd3) is a unit of density.
Is the grain per cup to ounce per cubic yard conversion exact?
Yes. Both grain per cup and ounce per cubic yard are defined by fixed standards rather than physical artifacts, so the factor of 7.386478664 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.