Mass per volume density.
Grains per Fluid ounce to Stones per Cubic yard Converter — gr/fl oz to st/yd3
Convert Grain per Fluid ounce (gr/fl oz) to Stone per Cubic yard (st/yd3) using the exact conversion factor (1 grain per fluid ounce = 0.2638028094 stone per cubic yard). See the formula, worked examples, and conversion table.
Grains per Fluid ounce to Stones 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 2.191111814 / 8.305869898.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Fluid ounce to Stones per Cubic yard
Grain per Fluid ounce and Stone 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
stones per cubic yard = grains per fluid ounce × 0.263802809435
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per fluid ounce equals 2.19111181379 base units, and 1 stone per cubic yard equals 8.30586989761 base units, so dividing one by the other gives the direct grain per fluid ounce-to-stone per cubic yard factor of 0.263802809435.
Simple example
1 gr/fl oz × 0.2638028094 = 0.2638028094 st/yd3
1 grain per fluid ounce = 0.2638028094 stones per cubic yard.
Real-world example
1,000 gr/fl oz × 0.2638028094 = 263.8028094 st/yd3
1,000 grains per fluid ounce = 263.8028094 stones per cubic yard.
Conversion table
| Grain per Fluid ounce (gr/fl oz) | Stone per Cubic yard (st/yd3) |
|---|---|
| 0.1 gr/fl oz | 0.0263802809 st/yd3 |
| 1 gr/fl oz | 0.2638028094 st/yd3 |
| 10 gr/fl oz | 2.638028094 st/yd3 |
| 100 gr/fl oz | 26.38028094 st/yd3 |
| 1,000 gr/fl oz | 263.8028094 st/yd3 |
| 10,000 gr/fl oz | 2,638.028094 st/yd3 |
Reverse conversion: Stone per Cubic yard to Grain per Fluid ounce
0.2638028094 st/yd3 × 3.790710198 = 0.9999999999 gr/fl oz
0.2638028094 stones per cubic yard = 0.9999999999 grains per fluid ounce.
grains per fluid ounce = stones per cubic yard × 3.79071019805
For a page dedicated to this direction, see Stone per Cubic yard to Grain per Fluid ounce.
Understanding the Grain per Fluid ounce (gr/fl oz)
Mass per volume density.
Understanding the Stone per Cubic yard (st/yd3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per cubic yard are in 1 grain per fluid ounce?
1 grain per fluid ounce equals 0.2638028094 stones per cubic yard, using the exact defined conversion factor rather than an estimate.
How do I convert grain per fluid ounce to stone per cubic yard?
Multiply the grain per fluid ounce value by 0.2638028094. The converter above does this instantly to whatever precision you set.
How do I convert stone per cubic yard back to grain per fluid ounce?
Use the reverse factor: 1 stone per cubic yard equals 3.790710198 grains per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per fluid ounce?
Grain per Fluid ounce (gr/fl oz) is a unit of density.
What is a stone per cubic yard?
Stone per Cubic yard (st/yd3) is a unit of density.
Is the grain per fluid ounce to stone per cubic yard conversion exact?
Yes. Both grain per fluid ounce and stone per cubic yard are defined by fixed standards rather than physical artifacts, so the factor of 0.2638028094 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.