Mass per volume density.
Ounces per Quart to Grains per Cubic foot Converter — oz/qt to gr/ft3
Convert Ounce per Quart (oz/qt) to Grain per Cubic foot (gr/ft3) using the exact conversion factor (1 ounce per quart = 13,090.90909 grain per cubic foot). See the formula, worked examples, and conversion table.
Ounces per Quart 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 29.95660683 / 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 Quart to Grains per Cubic foot
Ounce per Quart 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 quart × 13090.9090909
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per quart equals 29.9566068292 base units, and 1 grain per cubic foot equals 0.00228835191057 base units, so dividing one by the other gives the direct ounce per quart-to-grain per cubic foot factor of 13090.9090909.
Simple example
1 oz/qt × 13090.90909 = 13,090.90909 gr/ft3
1 ounce per quart = 13,090.90909 grains per cubic foot.
Real-world example
1,000 oz/qt × 13090.90909 = 13,090,909.09 gr/ft3
1,000 ounces per quart = 13,090,909.09 grains per cubic foot.
Conversion table
| Ounce per Quart (oz/qt) | Grain per Cubic foot (gr/ft3) |
|---|---|
| 0.1 oz/qt | 1,309.090909 gr/ft3 |
| 1 oz/qt | 13,090.90909 gr/ft3 |
| 10 oz/qt | 130,909.0909 gr/ft3 |
| 100 oz/qt | 1,309,090.909 gr/ft3 |
| 1,000 oz/qt | 13,090,909.09 gr/ft3 |
| 10,000 oz/qt | 130,909,090.9 gr/ft3 |
Reverse conversion: Grain per Cubic foot to Ounce per Quart
1 gr/ft3 × 0.00007638888889 = 0.0000763889 oz/qt
1 grain per cubic foot = 0.0000763889 ounces per quart.
ounces per quart = grains per cubic foot × 0.0000763888888889
For a page dedicated to this direction, see Grain per Cubic foot to Ounce per Quart.
Understanding the Ounce per Quart (oz/qt)
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 quart?
1 ounce per quart equals 13,090.90909 grains per cubic foot, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per quart to grain per cubic foot?
Multiply the ounce per quart value by 13090.90909. The converter above does this instantly to whatever precision you set.
How do I convert grain per cubic foot back to ounce per quart?
Use the reverse factor: 1 grain per cubic foot equals 0.0000763889 ounces per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per quart?
Ounce per Quart (oz/qt) 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 quart to grain per cubic foot conversion exact?
Yes. Both ounce per quart and grain per cubic foot are defined by fixed standards rather than physical artifacts, so the factor of 13090.90909 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.