Mass per volume density.
Stones per Imperial gallon to Grains per Cubic Centimeter Converter — st/imp gal to gr/cm3
Convert Stone per Imperial gallon (st/imp gal) to Grain per Cubic Centimeter (gr/cm3) using the exact conversion factor (1 stone per imperial gallon = 21.55698633 grain per cubic centimeter). See the formula, worked examples, and conversion table.
Stones per Imperial gallon to Grains per Cubic Centimeter 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 1396.869217 / 64.79891.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Imperial gallon to Grains per Cubic Centimeter
Stone per Imperial gallon and Grain per Cubic Centimeter 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 cubic centimeter = stones per imperial gallon × 21.5569863333
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per imperial gallon equals 1396.86921728 base units, and 1 grain per cubic centimeter equals 64.79891 base units, so dividing one by the other gives the direct stone per imperial gallon-to-grain per cubic centimeter factor of 21.5569863333.
Simple example
1 st/imp gal × 21.55698633 = 21.55698633 gr/cm3
1 stone per imperial gallon = 21.55698633 grains per cubic centimeter.
Real-world example
1,000 st/imp gal × 21.55698633 = 21,556.98633 gr/cm3
1,000 stones per imperial gallon = 21,556.98633 grains per cubic centimeter.
Conversion table
| Stone per Imperial gallon (st/imp gal) | Grain per Cubic Centimeter (gr/cm3) |
|---|---|
| 0.1 st/imp gal | 2.155698633 gr/cm3 |
| 1 st/imp gal | 21.55698633 gr/cm3 |
| 10 st/imp gal | 215.5698633 gr/cm3 |
| 100 st/imp gal | 2,155.698633 gr/cm3 |
| 1,000 st/imp gal | 21,556.98633 gr/cm3 |
| 10,000 st/imp gal | 215,569.8633 gr/cm3 |
Reverse conversion: Grain per Cubic Centimeter to Stone per Imperial gallon
21.55698633 gr/cm3 × 0.04638867347 = 0.9999999998 st/imp gal
21.55698633 grains per cubic centimeter = 0.9999999998 stones per imperial gallon.
stones per imperial gallon = grains per cubic centimeter × 0.0463886734694
For a page dedicated to this direction, see Grain per Cubic Centimeter to Stone per Imperial gallon.
Understanding the Stone per Imperial gallon (st/imp gal)
Mass per volume density.
Understanding the Grain per Cubic Centimeter (gr/cm3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per cubic centimeter are in 1 stone per imperial gallon?
1 stone per imperial gallon equals 21.55698633 grains per cubic centimeter, using the exact defined conversion factor rather than an estimate.
How do I convert stone per imperial gallon to grain per cubic centimeter?
Multiply the stone per imperial gallon value by 21.55698633. The converter above does this instantly to whatever precision you set.
How do I convert grain per cubic centimeter back to stone per imperial gallon?
Use the reverse factor: 1 grain per cubic centimeter equals 0.0463886735 stones per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per imperial gallon?
Stone per Imperial gallon (st/imp gal) is a unit of density.
What is a grain per cubic centimeter?
Grain per Cubic Centimeter (gr/cm3) is a unit of density.
Is the stone per imperial gallon to grain per cubic centimeter conversion exact?
Yes. Both stone per imperial gallon and grain per cubic centimeter are defined by fixed standards rather than physical artifacts, so the factor of 21.55698633 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.