Mass per volume density.
Grains per Cubic Meter to Stones per Fluid ounce Converter — gr/m3 to st/fl oz
Convert Grain per Cubic Meter (gr/m3) to Stone per Fluid ounce (st/fl oz) using the exact conversion factor (1 grain per cubic meter = 3.017707e-10 stone per fluid ounce). See the formula, worked examples, and conversion table.
Grains per Cubic Meter to Stones per Fluid ounce 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 6.479891e-5 / 214728.9578.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Cubic Meter to Stones per Fluid ounce
Grain per Cubic Meter and Stone per Fluid ounce 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 fluid ounce = grains per cubic meter × 3.017707e-10
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per cubic meter equals 0.00006479891 base units, and 1 stone per fluid ounce equals 214728.957752 base units, so dividing one by the other gives the direct grain per cubic meter-to-stone per fluid ounce factor of 3.017707e-10.
Simple example
1 gr/m3 × 3.017707e-10 = 3.017707e-10 st/fl oz
1 grain per cubic meter = 3.017707e-10 stones per fluid ounce.
Real-world example
1,000 gr/m3 × 3.017707e-10 = 3.017707e-7 st/fl oz
1,000 grains per cubic meter = 3.017707e-7 stones per fluid ounce.
Conversion table
| Grain per Cubic Meter (gr/m3) | Stone per Fluid ounce (st/fl oz) |
|---|---|
| 0.1 gr/m3 | 3.017707e-11 st/fl oz |
| 1 gr/m3 | 3.017707e-10 st/fl oz |
| 10 gr/m3 | 3.017707e-9 st/fl oz |
| 100 gr/m3 | 3.017707e-8 st/fl oz |
| 1,000 gr/m3 | 3.017707e-7 st/fl oz |
| 10,000 gr/m3 | 0.0000030177 st/fl oz |
Reverse conversion: Stone per Fluid ounce to Grain per Cubic Meter
3.017707e-10 st/fl oz × 3313774225 = 0.9999999675 gr/m3
3.017707e-10 stones per fluid ounce = 0.9999999675 grains per cubic meter.
grains per cubic meter = stones per fluid ounce × 3313774224.78
For a page dedicated to this direction, see Stone per Fluid ounce to Grain per Cubic Meter.
Understanding the Grain per Cubic Meter (gr/m3)
Mass per volume density.
Understanding the Stone per Fluid ounce (st/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per fluid ounce are in 1 grain per cubic meter?
1 grain per cubic meter equals 3.017707e-10 stones per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert grain per cubic meter to stone per fluid ounce?
Multiply the grain per cubic meter value by 3.017707e-10. The converter above does this instantly to whatever precision you set.
How do I convert stone per fluid ounce back to grain per cubic meter?
Use the reverse factor: 1 stone per fluid ounce equals 3,313,774,225 grains per cubic meter. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per cubic meter?
Grain per Cubic Meter (gr/m3) is a unit of density.
What is a stone per fluid ounce?
Stone per Fluid ounce (st/fl oz) is a unit of density.
Is the grain per cubic meter to stone per fluid ounce conversion exact?
Yes. Both grain per cubic meter and stone per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 3.017707e-10 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.