Mass per volume density.
Grains per Gallon to Stones per Gallon Converter — gr/gal to st/gal
Convert Grain per Gallon (gr/gal) to Stone per Gallon (st/gal) using the exact conversion factor (1 grain per gallon = 0.0000102041 stone per gallon). See the formula, worked examples, and conversion table.
Grains per Gallon to Stones 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 0.01711806105 / 1677.569982.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Gallon to Stones per Gallon
Grain per Gallon and Stone 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
stones per gallon = grains per gallon × 0.0000102040816327
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per gallon equals 0.0171180610453 base units, and 1 stone per gallon equals 1677.56998244 base units, so dividing one by the other gives the direct grain per gallon-to-stone per gallon factor of 0.0000102040816327.
Simple example
1 gr/gal × 0.00001020408163 = 0.0000102041 st/gal
1 grain per gallon = 0.0000102041 stones per gallon.
Real-world example
1,000 gr/gal × 0.00001020408163 = 0.0102040816 st/gal
1,000 grains per gallon = 0.0102040816 stones per gallon.
Conversion table
| Grain per Gallon (gr/gal) | Stone per Gallon (st/gal) |
|---|---|
| 0.1 gr/gal | 0.0000010204 st/gal |
| 1 gr/gal | 0.0000102041 st/gal |
| 10 gr/gal | 0.0001020408 st/gal |
| 100 gr/gal | 0.0010204082 st/gal |
| 1,000 gr/gal | 0.0102040816 st/gal |
| 10,000 gr/gal | 0.1020408163 st/gal |
Reverse conversion: Stone per Gallon to Grain per Gallon
0.0000102041 st/gal × 98000 = 1.0000018 gr/gal
0.0000102041 stones per gallon = 1.0000018 grains per gallon.
grains per gallon = stones per gallon × 98000
For a page dedicated to this direction, see Stone per Gallon to Grain per Gallon.
Understanding the Grain per Gallon (gr/gal)
Mass per volume density.
Understanding the Stone per Gallon (st/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per gallon are in 1 grain per gallon?
1 grain per gallon equals 0.0000102041 stones per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert grain per gallon to stone per gallon?
Multiply the grain per gallon value by 0.00001020408163. The converter above does this instantly to whatever precision you set.
How do I convert stone per gallon back to grain per gallon?
Use the reverse factor: 1 stone per gallon equals 98,000 grains per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per gallon?
Grain per Gallon (gr/gal) is a unit of density.
What is a stone per gallon?
Stone per Gallon (st/gal) is a unit of density.
Is the grain per gallon to stone per gallon conversion exact?
Yes. Both grain per gallon and stone per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.00001020408163 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.