Mass per volume density.
Grains per Imperial gallon to Ounce per Cubic inches Converter — gr/imp gal to oz/in3
Convert Grain per Imperial gallon (gr/imp gal) to Ounce per Cubic inch (oz/in3) using the exact conversion factor (1 grain per imperial gallon = 0.0000082392 ounce per cubic inch). See the formula, worked examples, and conversion table.
Grains per Imperial gallon to Ounce per Cubic inches 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 0.01425376752 / 1729.994044.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Imperial gallon to Ounce per Cubic inches
Grain per Imperial gallon and Ounce per Cubic inch 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
ounce per cubic inches = grains per imperial gallon × 0.00000823920034265
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per imperial gallon equals 0.0142537675233 base units, and 1 ounce per cubic inch equals 1729.99404439 base units, so dividing one by the other gives the direct grain per imperial gallon-to-ounce per cubic inch factor of 0.00000823920034265.
Simple example
1 gr/imp gal × 0.000008239200343 = 0.0000082392 oz/in3
1 grain per imperial gallon = 0.0000082392 ounce per cubic inches.
Real-world example
1,000 gr/imp gal × 0.000008239200343 = 0.0082392003 oz/in3
1,000 grains per imperial gallon = 0.0082392003 ounce per cubic inches.
Conversion table
| Grain per Imperial gallon (gr/imp gal) | Ounce per Cubic inch (oz/in3) |
|---|---|
| 0.1 gr/imp gal | 8.2392e-7 oz/in3 |
| 1 gr/imp gal | 0.0000082392 oz/in3 |
| 10 gr/imp gal | 0.000082392 oz/in3 |
| 100 gr/imp gal | 0.00082392 oz/in3 |
| 1,000 gr/imp gal | 0.0082392003 oz/in3 |
| 10,000 gr/imp gal | 0.0823920034 oz/in3 |
Reverse conversion: Ounce per Cubic inch to Grain per Imperial gallon
0.0000082392 oz/in3 × 121371.0018 = 0.9999999584 gr/imp gal
0.0000082392 ounce per cubic inches = 0.9999999584 grains per imperial gallon.
grains per imperial gallon = ounce per cubic inches × 121371.001846
For a page dedicated to this direction, see Ounce per Cubic inch to Grain per Imperial gallon.
Understanding the Grain per Imperial gallon (gr/imp gal)
Mass per volume density.
Understanding the Ounce per Cubic inch (oz/in3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ounce per cubic inches are in 1 grain per imperial gallon?
1 grain per imperial gallon equals 0.0000082392 ounce per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert grain per imperial gallon to ounce per cubic inch?
Multiply the grain per imperial gallon value by 0.000008239200343. The converter above does this instantly to whatever precision you set.
How do I convert ounce per cubic inch back to grain per imperial gallon?
Use the reverse factor: 1 ounce per cubic inch equals 121,371.0018 grains per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per imperial gallon?
Grain per Imperial gallon (gr/imp gal) is a unit of density.
What is a ounce per cubic inch?
Ounce per Cubic inch (oz/in3) is a unit of density.
Is the grain per imperial gallon to ounce per cubic inch conversion exact?
Yes. Both grain per imperial gallon and ounce per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 0.000008239200343 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.