Mass per volume density.
Grains per Gallon to Stones per Cubic foot Converter — gr/gal to st/ft3
Convert Grain per Gallon (gr/gal) to Stone per Cubic foot (st/ft3) using the exact conversion factor (1 grain per gallon = 0.0000763318 stone per cubic foot). See the formula, worked examples, and conversion table.
Grains per Gallon to Stones per Cubic foot 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 0.01711806105 / 224.2584872.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Gallon to Stones per Cubic foot
Grain per Gallon and Stone per Cubic foot 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 foot = grains per gallon × 0.0000763318314339
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per gallon equals 0.0171180610453 base units, and 1 stone per cubic foot equals 224.258487235 base units, so dividing one by the other gives the direct grain per gallon-to-stone per cubic foot factor of 0.0000763318314339.
Simple example
1 gr/gal × 0.00007633183143 = 0.0000763318 st/ft3
1 grain per gallon = 0.0000763318 stones per cubic foot.
Real-world example
1,000 gr/gal × 0.00007633183143 = 0.0763318314 st/ft3
1,000 grains per gallon = 0.0763318314 stones per cubic foot.
Conversion table
| Grain per Gallon (gr/gal) | Stone per Cubic foot (st/ft3) |
|---|---|
| 0.1 gr/gal | 0.0000076332 st/ft3 |
| 1 gr/gal | 0.0000763318 st/ft3 |
| 10 gr/gal | 0.0007633183 st/ft3 |
| 100 gr/gal | 0.0076331831 st/ft3 |
| 1,000 gr/gal | 0.0763318314 st/ft3 |
| 10,000 gr/gal | 0.7633183143 st/ft3 |
Reverse conversion: Stone per Cubic foot to Grain per Gallon
0.0000763318 st/ft3 × 13100.69444 = 0.9999995882 gr/gal
0.0000763318 stones per cubic foot = 0.9999995882 grains per gallon.
grains per gallon = stones per cubic foot × 13100.6944444
For a page dedicated to this direction, see Stone per Cubic foot to Grain per Gallon.
Understanding the Grain per Gallon (gr/gal)
Mass per volume density.
Understanding the Stone per Cubic foot (st/ft3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per cubic foot are in 1 grain per gallon?
1 grain per gallon equals 0.0000763318 stones per cubic foot, using the exact defined conversion factor rather than an estimate.
How do I convert grain per gallon to stone per cubic foot?
Multiply the grain per gallon value by 0.00007633183143. The converter above does this instantly to whatever precision you set.
How do I convert stone per cubic foot back to grain per gallon?
Use the reverse factor: 1 stone per cubic foot equals 13,100.69444 grains per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per gallon?
Grain per Gallon (gr/gal) is a unit of density.
What is a stone per cubic foot?
Stone per Cubic foot (st/ft3) is a unit of density.
Is the grain per gallon to stone per cubic foot conversion exact?
Yes. Both grain per gallon and stone per cubic foot are defined by fixed standards rather than physical artifacts, so the factor of 0.00007633183143 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.