Mass per volume density.
Stones per Cubic yard to Grains per Liter Converter — st/yd3 to gr/L
Convert Stone per Cubic yard (st/yd3) to Grain per Liter (gr/L) using the exact conversion factor (1 stone per cubic yard = 128.1791607 grain per liter). See the formula, worked examples, and conversion table.
Stones per Cubic yard to Grains per Liter 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 8.305869898 / 0.06479891.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Cubic yard to Grains per Liter
Stone per Cubic yard and Grain per Liter 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 liter = stones per cubic yard × 128.179160693
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per cubic yard equals 8.30586989761 base units, and 1 grain per liter equals 0.06479891 base units, so dividing one by the other gives the direct stone per cubic yard-to-grain per liter factor of 128.179160693.
Simple example
1 st/yd3 × 128.1791607 = 128.1791607 gr/L
1 stone per cubic yard = 128.1791607 grains per liter.
Real-world example
1,000 st/yd3 × 128.1791607 = 128,179.1607 gr/L
1,000 stones per cubic yard = 128,179.1607 grains per liter.
Conversion table
| Stone per Cubic yard (st/yd3) | Grain per Liter (gr/L) |
|---|---|
| 0.1 st/yd3 | 12.81791607 gr/L |
| 1 st/yd3 | 128.1791607 gr/L |
| 10 st/yd3 | 1,281.791607 gr/L |
| 100 st/yd3 | 12,817.91607 gr/L |
| 1,000 st/yd3 | 128,179.1607 gr/L |
| 10,000 st/yd3 | 1,281,791.607 gr/L |
Reverse conversion: Grain per Liter to Stone per Cubic yard
128.1791607 gr/L × 0.007801580184 = 1 st/yd3
128.1791607 grains per liter = 1 stones per cubic yard.
stones per cubic yard = grains per liter × 0.00780158018351
For a page dedicated to this direction, see Grain per Liter to Stone per Cubic yard.
Understanding the Stone per Cubic yard (st/yd3)
Mass per volume density.
Understanding the Grain per Liter (gr/L)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per liter are in 1 stone per cubic yard?
1 stone per cubic yard equals 128.1791607 grains per liter, using the exact defined conversion factor rather than an estimate.
How do I convert stone per cubic yard to grain per liter?
Multiply the stone per cubic yard value by 128.1791607. The converter above does this instantly to whatever precision you set.
How do I convert grain per liter back to stone per cubic yard?
Use the reverse factor: 1 grain per liter equals 0.0078015802 stones per cubic yard. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per cubic yard?
Stone per Cubic yard (st/yd3) is a unit of density.
What is a grain per liter?
Grain per Liter (gr/L) is a unit of density.
Is the stone per cubic yard to grain per liter conversion exact?
Yes. Both stone per cubic yard and grain per liter are defined by fixed standards rather than physical artifacts, so the factor of 128.1791607 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.