Mass per volume density.
Grains per Cubic foot to Stones per Pint Converter — gr/ft3 to st/pt
Convert Grain per Cubic foot (gr/ft3) to Stone per Pint (st/pt) using the exact conversion factor (1 grain per cubic foot = 1.705109e-7 stone per pint). See the formula, worked examples, and conversion table.
Grains per Cubic foot to Stones per Pint 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 0.002288351911 / 13420.55986.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Cubic foot to Stones per Pint
Grain per Cubic foot and Stone per Pint 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 pint = grains per cubic foot × 1.705109e-7
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per cubic foot equals 0.00228835191057 base units, and 1 stone per pint equals 13420.5598595 base units, so dividing one by the other gives the direct grain per cubic foot-to-stone per pint factor of 1.705109e-7.
Simple example
1 gr/ft3 × 1.705109e-7 = 1.705109e-7 st/pt
1 grain per cubic foot = 1.705109e-7 stones per pint.
Real-world example
1,000 gr/ft3 × 1.705109e-7 = 0.0001705109 st/pt
1,000 grains per cubic foot = 0.0001705109 stones per pint.
Conversion table
| Grain per Cubic foot (gr/ft3) | Stone per Pint (st/pt) |
|---|---|
| 0.1 gr/ft3 | 1.705109e-8 st/pt |
| 1 gr/ft3 | 1.705109e-7 st/pt |
| 10 gr/ft3 | 0.0000017051 st/pt |
| 100 gr/ft3 | 0.0000170511 st/pt |
| 1,000 gr/ft3 | 0.0001705109 st/pt |
| 10,000 gr/ft3 | 0.0017051091 st/pt |
Reverse conversion: Stone per Pint to Grain per Cubic foot
1.705109e-7 st/pt × 5864727.273 = 0.9999999255 gr/ft3
1.705109e-7 stones per pint = 0.9999999255 grains per cubic foot.
grains per cubic foot = stones per pint × 5864727.27273
For a page dedicated to this direction, see Stone per Pint to Grain per Cubic foot.
Understanding the Grain per Cubic foot (gr/ft3)
Mass per volume density.
Understanding the Stone per Pint (st/pt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per pint are in 1 grain per cubic foot?
1 grain per cubic foot equals 1.705109e-7 stones per pint, using the exact defined conversion factor rather than an estimate.
How do I convert grain per cubic foot to stone per pint?
Multiply the grain per cubic foot value by 1.705109e-7. The converter above does this instantly to whatever precision you set.
How do I convert stone per pint back to grain per cubic foot?
Use the reverse factor: 1 stone per pint equals 5,864,727.273 grains per cubic foot. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per cubic foot?
Grain per Cubic foot (gr/ft3) is a unit of density.
What is a stone per pint?
Stone per Pint (st/pt) is a unit of density.
Is the grain per cubic foot to stone per pint conversion exact?
Yes. Both grain per cubic foot and stone per pint are defined by fixed standards rather than physical artifacts, so the factor of 1.705109e-7 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.