Mass per volume density.
Grains per Imperial gallon to Stones per Gallon Converter — gr/imp gal to st/gal
Convert Grain per Imperial gallon (gr/imp gal) to Stone per Gallon (st/gal) using the exact conversion factor (1 grain per imperial gallon = 0.0000084967 stone per gallon). See the formula, worked examples, and conversion table.
Grains per Imperial 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 0.01425376752 / 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 Imperial gallon to Stones per Gallon
Grain per Imperial 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 imperial gallon × 0.00000849667535336
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per imperial gallon equals 0.0142537675233 base units, and 1 stone per gallon equals 1677.56998244 base units, so dividing one by the other gives the direct grain per imperial gallon-to-stone per gallon factor of 0.00000849667535336.
Simple example
1 gr/imp gal × 0.000008496675353 = 0.0000084967 st/gal
1 grain per imperial gallon = 0.0000084967 stones per gallon.
Real-world example
1,000 gr/imp gal × 0.000008496675353 = 0.0084966754 st/gal
1,000 grains per imperial gallon = 0.0084966754 stones per gallon.
Conversion table
| Grain per Imperial gallon (gr/imp gal) | Stone per Gallon (st/gal) |
|---|---|
| 0.1 gr/imp gal | 8.496675e-7 st/gal |
| 1 gr/imp gal | 0.0000084967 st/gal |
| 10 gr/imp gal | 0.0000849668 st/gal |
| 100 gr/imp gal | 0.0008496675 st/gal |
| 1,000 gr/imp gal | 0.0084966754 st/gal |
| 10,000 gr/imp gal | 0.0849667535 st/gal |
Reverse conversion: Stone per Gallon to Grain per Imperial gallon
0.0000084967 st/gal × 117693.0927 = 1.000002901 gr/imp gal
0.0000084967 stones per gallon = 1.000002901 grains per imperial gallon.
grains per imperial gallon = stones per gallon × 117693.092699
For a page dedicated to this direction, see Stone per Gallon to Grain per Imperial gallon.
Understanding the Grain per Imperial gallon (gr/imp 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 imperial gallon?
1 grain per imperial gallon equals 0.0000084967 stones per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert grain per imperial gallon to stone per gallon?
Multiply the grain per imperial gallon value by 0.000008496675353. The converter above does this instantly to whatever precision you set.
How do I convert stone per gallon back to grain per imperial gallon?
Use the reverse factor: 1 stone per gallon equals 117,693.0927 grains per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per imperial gallon?
Grain per Imperial gallon (gr/imp 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 imperial gallon to stone per gallon conversion exact?
Yes. Both grain per imperial gallon and stone per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.000008496675353 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.