Mass per volume density.
Stones per Cubic foot to Grains per Pint Converter — st/ft3 to gr/pt
Convert Stone per Cubic foot (st/ft3) to Grain per Pint (gr/pt) using the exact conversion factor (1 stone per cubic foot = 1,637.586806 grain per pint). See the formula, worked examples, and conversion table.
Stones per Cubic foot to Grains 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 224.2584872 / 0.1369444884.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Cubic foot to Grains per Pint
Stone per Cubic foot and Grain 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
grains per pint = stones per cubic foot × 1637.58680556
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per cubic foot equals 224.258487235 base units, and 1 grain per pint equals 0.136944488362 base units, so dividing one by the other gives the direct stone per cubic foot-to-grain per pint factor of 1637.58680556.
Simple example
1 st/ft3 × 1637.586806 = 1,637.586806 gr/pt
1 stone per cubic foot = 1,637.586806 grains per pint.
Real-world example
1,000 st/ft3 × 1637.586806 = 1,637,586.806 gr/pt
1,000 stones per cubic foot = 1,637,586.806 grains per pint.
Conversion table
| Stone per Cubic foot (st/ft3) | Grain per Pint (gr/pt) |
|---|---|
| 0.1 st/ft3 | 163.7586806 gr/pt |
| 1 st/ft3 | 1,637.586806 gr/pt |
| 10 st/ft3 | 16,375.86806 gr/pt |
| 100 st/ft3 | 163,758.6806 gr/pt |
| 1,000 st/ft3 | 1,637,586.806 gr/pt |
| 10,000 st/ft3 | 16,375,868.06 gr/pt |
Reverse conversion: Grain per Pint to Stone per Cubic foot
1 gr/pt × 0.0006106546515 = 0.0006106547 st/ft3
1 grain per pint = 0.0006106547 stones per cubic foot.
stones per cubic foot = grains per pint × 0.000610654651471
For a page dedicated to this direction, see Grain per Pint to Stone per Cubic foot.
Understanding the Stone per Cubic foot (st/ft3)
Mass per volume density.
Understanding the Grain per Pint (gr/pt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per pint are in 1 stone per cubic foot?
1 stone per cubic foot equals 1,637.586806 grains per pint, using the exact defined conversion factor rather than an estimate.
How do I convert stone per cubic foot to grain per pint?
Multiply the stone per cubic foot value by 1637.586806. The converter above does this instantly to whatever precision you set.
How do I convert grain per pint back to stone per cubic foot?
Use the reverse factor: 1 grain per pint equals 0.0006106547 stones per cubic foot. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per cubic foot?
Stone per Cubic foot (st/ft3) is a unit of density.
What is a grain per pint?
Grain per Pint (gr/pt) is a unit of density.
Is the stone per cubic foot to grain per pint conversion exact?
Yes. Both stone per cubic foot and grain per pint are defined by fixed standards rather than physical artifacts, so the factor of 1637.586806 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.