Mass per volume density.
Ounces per Pint to Grains per Cubic foot Converter — oz/pt to gr/ft3
Convert Ounce per Pint (oz/pt) to Grain per Cubic foot (gr/ft3) using the exact conversion factor (1 ounce per pint = 26,181.81818 grain per cubic foot). See the formula, worked examples, and conversion table.
Ounces per Pint to Grains 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 59.91321366 / 0.002288351911.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Pint to Grains per Cubic foot
Ounce per Pint and Grain 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
grains per cubic foot = ounces per pint × 26181.8181818
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per pint equals 59.9132136584 base units, and 1 grain per cubic foot equals 0.00228835191057 base units, so dividing one by the other gives the direct ounce per pint-to-grain per cubic foot factor of 26181.8181818.
Simple example
1 oz/pt × 26181.81818 = 26,181.81818 gr/ft3
1 ounce per pint = 26,181.81818 grains per cubic foot.
Real-world example
1,000 oz/pt × 26181.81818 = 26,181,818.18 gr/ft3
1,000 ounces per pint = 26,181,818.18 grains per cubic foot.
Conversion table
| Ounce per Pint (oz/pt) | Grain per Cubic foot (gr/ft3) |
|---|---|
| 0.1 oz/pt | 2,618.181818 gr/ft3 |
| 1 oz/pt | 26,181.81818 gr/ft3 |
| 10 oz/pt | 261,818.1818 gr/ft3 |
| 100 oz/pt | 2,618,181.818 gr/ft3 |
| 1,000 oz/pt | 26,181,818.18 gr/ft3 |
| 10,000 oz/pt | 261,818,181.8 gr/ft3 |
Reverse conversion: Grain per Cubic foot to Ounce per Pint
1 gr/ft3 × 0.00003819444444 = 0.0000381944 oz/pt
1 grain per cubic foot = 0.0000381944 ounces per pint.
ounces per pint = grains per cubic foot × 0.0000381944444444
For a page dedicated to this direction, see Grain per Cubic foot to Ounce per Pint.
Understanding the Ounce per Pint (oz/pt)
Mass per volume density.
Understanding the Grain per Cubic foot (gr/ft3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per cubic foot are in 1 ounce per pint?
1 ounce per pint equals 26,181.81818 grains per cubic foot, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per pint to grain per cubic foot?
Multiply the ounce per pint value by 26181.81818. The converter above does this instantly to whatever precision you set.
How do I convert grain per cubic foot back to ounce per pint?
Use the reverse factor: 1 grain per cubic foot equals 0.0000381944 ounces per pint. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per pint?
Ounce per Pint (oz/pt) is a unit of density.
What is a grain per cubic foot?
Grain per Cubic foot (gr/ft3) is a unit of density.
Is the ounce per pint to grain per cubic foot conversion exact?
Yes. Both ounce per pint and grain per cubic foot are defined by fixed standards rather than physical artifacts, so the factor of 26181.81818 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.