Mass per volume density.
Ounces per Imperial gallon to Grain per Cubic inches Converter — oz/imp gal to gr/in3
Convert Ounce per Imperial gallon (oz/imp gal) to Grain per Cubic inch (gr/in3) using the exact conversion factor (1 ounce per imperial gallon = 1.577034441 grain per cubic inch). See the formula, worked examples, and conversion table.
Ounces per Imperial gallon to Grain 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 6.236023291 / 3.954272101.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Imperial gallon to Grain per Cubic inches
Ounce per Imperial gallon and Grain 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
grain per cubic inches = ounces per imperial gallon × 1.57703444059
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per imperial gallon equals 6.23602329144 base units, and 1 grain per cubic inch equals 3.95427210146 base units, so dividing one by the other gives the direct ounce per imperial gallon-to-grain per cubic inch factor of 1.57703444059.
Simple example
1 oz/imp gal × 1.577034441 = 1.577034441 gr/in3
1 ounce per imperial gallon = 1.577034441 grain per cubic inches.
Real-world example
1,000 oz/imp gal × 1.577034441 = 1,577.034441 gr/in3
1,000 ounces per imperial gallon = 1,577.034441 grain per cubic inches.
Conversion table
| Ounce per Imperial gallon (oz/imp gal) | Grain per Cubic inch (gr/in3) |
|---|---|
| 0.1 oz/imp gal | 0.1577034441 gr/in3 |
| 1 oz/imp gal | 1.577034441 gr/in3 |
| 10 oz/imp gal | 15.77034441 gr/in3 |
| 100 oz/imp gal | 157.7034441 gr/in3 |
| 1,000 oz/imp gal | 1,577.034441 gr/in3 |
| 10,000 oz/imp gal | 15,770.34441 gr/in3 |
Reverse conversion: Grain per Cubic inch to Ounce per Imperial gallon
1.577034441 gr/in3 × 0.6341015607 = 1 oz/imp gal
1.577034441 grain per cubic inches = 1 ounces per imperial gallon.
ounces per imperial gallon = grain per cubic inches × 0.634101560667
For a page dedicated to this direction, see Grain per Cubic inch to Ounce per Imperial gallon.
Understanding the Ounce per Imperial gallon (oz/imp gal)
Mass per volume density.
Understanding the Grain per Cubic inch (gr/in3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grain per cubic inches are in 1 ounce per imperial gallon?
1 ounce per imperial gallon equals 1.577034441 grain per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per imperial gallon to grain per cubic inch?
Multiply the ounce per imperial gallon value by 1.577034441. The converter above does this instantly to whatever precision you set.
How do I convert grain per cubic inch back to ounce per imperial gallon?
Use the reverse factor: 1 grain per cubic inch equals 0.6341015607 ounces per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per imperial gallon?
Ounce per Imperial gallon (oz/imp gal) is a unit of density.
What is a grain per cubic inch?
Grain per Cubic inch (gr/in3) is a unit of density.
Is the ounce per imperial gallon to grain per cubic inch conversion exact?
Yes. Both ounce per imperial gallon and grain per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 1.577034441 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.