Mass per volume density.
Grains per Cubic Millimeter to Stones per Cubic Centimeter Converter — gr/mm3 to st/cm3
Convert Grain per Cubic Millimeter (gr/mm3) to Stone per Cubic Centimeter (st/cm3) using the exact conversion factor (1 grain per cubic millimeter = 0.0102040816 stone per cubic centimeter). See the formula, worked examples, and conversion table.
Grains per Cubic Millimeter to Stones 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 64798.91 / 6.35029318e+6.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Cubic Millimeter to Stones per Cubic Centimeter
Grain per Cubic Millimeter and Stone 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
stones per cubic centimeter = grains per cubic millimeter × 0.0102040816327
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per cubic millimeter equals 64798.91 base units, and 1 stone per cubic centimeter equals 6350293.18 base units, so dividing one by the other gives the direct grain per cubic millimeter-to-stone per cubic centimeter factor of 0.0102040816327.
Simple example
1 gr/mm3 × 0.01020408163 = 0.0102040816 st/cm3
1 grain per cubic millimeter = 0.0102040816 stones per cubic centimeter.
Real-world example
1,000 gr/mm3 × 0.01020408163 = 10.20408163 st/cm3
1,000 grains per cubic millimeter = 10.20408163 stones per cubic centimeter.
Conversion table
| Grain per Cubic Millimeter (gr/mm3) | Stone per Cubic Centimeter (st/cm3) |
|---|---|
| 0.1 gr/mm3 | 0.0010204082 st/cm3 |
| 1 gr/mm3 | 0.0102040816 st/cm3 |
| 10 gr/mm3 | 0.1020408163 st/cm3 |
| 100 gr/mm3 | 1.020408163 st/cm3 |
| 1,000 gr/mm3 | 10.20408163 st/cm3 |
| 10,000 gr/mm3 | 102.0408163 st/cm3 |
Reverse conversion: Stone per Cubic Centimeter to Grain per Cubic Millimeter
0.0102040816 st/cm3 × 98 = 0.9999999968 gr/mm3
0.0102040816 stones per cubic centimeter = 0.9999999968 grains per cubic millimeter.
grains per cubic millimeter = stones per cubic centimeter × 98
For a page dedicated to this direction, see Stone per Cubic Centimeter to Grain per Cubic Millimeter.
Understanding the Grain per Cubic Millimeter (gr/mm3)
Mass per volume density.
Understanding the Stone per Cubic Centimeter (st/cm3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per cubic centimeter are in 1 grain per cubic millimeter?
1 grain per cubic millimeter equals 0.0102040816 stones per cubic centimeter, using the exact defined conversion factor rather than an estimate.
How do I convert grain per cubic millimeter to stone per cubic centimeter?
Multiply the grain per cubic millimeter value by 0.01020408163. The converter above does this instantly to whatever precision you set.
How do I convert stone per cubic centimeter back to grain per cubic millimeter?
Use the reverse factor: 1 stone per cubic centimeter equals 98 grains per cubic millimeter. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per cubic millimeter?
Grain per Cubic Millimeter (gr/mm3) is a unit of density.
What is a stone per cubic centimeter?
Stone per Cubic Centimeter (st/cm3) is a unit of density.
Is the grain per cubic millimeter to stone per cubic centimeter conversion exact?
Yes. Both grain per cubic millimeter and stone per cubic centimeter are defined by fixed standards rather than physical artifacts, so the factor of 0.01020408163 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.