Mass per volume density.
Grains per Fluid ounce to Stones per Cubic Meter Converter — gr/fl oz to st/m3
Convert Grain per Fluid ounce (gr/fl oz) to Stone per Cubic Meter (st/m3) using the exact conversion factor (1 grain per fluid ounce = 0.345041048 stone per cubic meter). See the formula, worked examples, and conversion table.
Grains per Fluid ounce to Stones per Cubic Meter 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 2.191111814 / 6.35029318.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Fluid ounce to Stones per Cubic Meter
Grain per Fluid ounce and Stone per Cubic Meter 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 meter = grains per fluid ounce × 0.345041047978
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per fluid ounce equals 2.19111181379 base units, and 1 stone per cubic meter equals 6.35029318 base units, so dividing one by the other gives the direct grain per fluid ounce-to-stone per cubic meter factor of 0.345041047978.
Simple example
1 gr/fl oz × 0.345041048 = 0.345041048 st/m3
1 grain per fluid ounce = 0.345041048 stones per cubic meter.
Real-world example
1,000 gr/fl oz × 0.345041048 = 345.041048 st/m3
1,000 grains per fluid ounce = 345.041048 stones per cubic meter.
Conversion table
| Grain per Fluid ounce (gr/fl oz) | Stone per Cubic Meter (st/m3) |
|---|---|
| 0.1 gr/fl oz | 0.0345041048 st/m3 |
| 1 gr/fl oz | 0.345041048 st/m3 |
| 10 gr/fl oz | 3.45041048 st/m3 |
| 100 gr/fl oz | 34.5041048 st/m3 |
| 1,000 gr/fl oz | 345.041048 st/m3 |
| 10,000 gr/fl oz | 3,450.41048 st/m3 |
Reverse conversion: Stone per Cubic Meter to Grain per Fluid ounce
0.345041048 st/m3 × 2.898205897 = 1 gr/fl oz
0.345041048 stones per cubic meter = 1 grains per fluid ounce.
grains per fluid ounce = stones per cubic meter × 2.89820589713
For a page dedicated to this direction, see Stone per Cubic Meter to Grain per Fluid ounce.
Understanding the Grain per Fluid ounce (gr/fl oz)
Mass per volume density.
Understanding the Stone per Cubic Meter (st/m3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per cubic meter are in 1 grain per fluid ounce?
1 grain per fluid ounce equals 0.345041048 stones per cubic meter, using the exact defined conversion factor rather than an estimate.
How do I convert grain per fluid ounce to stone per cubic meter?
Multiply the grain per fluid ounce value by 0.345041048. The converter above does this instantly to whatever precision you set.
How do I convert stone per cubic meter back to grain per fluid ounce?
Use the reverse factor: 1 stone per cubic meter equals 2.898205897 grains per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per fluid ounce?
Grain per Fluid ounce (gr/fl oz) is a unit of density.
What is a stone per cubic meter?
Stone per Cubic Meter (st/m3) is a unit of density.
Is the grain per fluid ounce to stone per cubic meter conversion exact?
Yes. Both grain per fluid ounce and stone per cubic meter are defined by fixed standards rather than physical artifacts, so the factor of 0.345041048 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.