Mass per volume density.
Grain per Cubic inches to Ounces per Imperial gallon Converter — gr/in3 to oz/imp gal
Convert Grain per Cubic inch (gr/in3) to Ounce per Imperial gallon (oz/imp gal) using the exact conversion factor (1 grain per cubic inch = 0.6341015607 ounce per imperial gallon). See the formula, worked examples, and conversion table.
Grain per Cubic inches to Ounces per Imperial gallon 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 3.954272101 / 6.236023291.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grain per Cubic inches to Ounces per Imperial gallon
Grain per Cubic inch and Ounce per Imperial gallon 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
ounces per imperial gallon = grain per cubic inches × 0.634101560667
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per cubic inch equals 3.95427210146 base units, and 1 ounce per imperial gallon equals 6.23602329144 base units, so dividing one by the other gives the direct grain per cubic inch-to-ounce per imperial gallon factor of 0.634101560667.
Simple example
1 gr/in3 × 0.6341015607 = 0.6341015607 oz/imp gal
1 grain per cubic inch = 0.6341015607 ounces per imperial gallon.
Real-world example
1,000 gr/in3 × 0.6341015607 = 634.1015607 oz/imp gal
1,000 grain per cubic inches = 634.1015607 ounces per imperial gallon.
Conversion table
| Grain per Cubic inch (gr/in3) | Ounce per Imperial gallon (oz/imp gal) |
|---|---|
| 0.1 gr/in3 | 0.0634101561 oz/imp gal |
| 1 gr/in3 | 0.6341015607 oz/imp gal |
| 10 gr/in3 | 6.341015607 oz/imp gal |
| 100 gr/in3 | 63.41015607 oz/imp gal |
| 1,000 gr/in3 | 634.1015607 oz/imp gal |
| 10,000 gr/in3 | 6,341.015607 oz/imp gal |
Reverse conversion: Ounce per Imperial gallon to Grain per Cubic inch
0.6341015607 oz/imp gal × 1.577034441 = 1 gr/in3
0.6341015607 ounces per imperial gallon = 1 grain per cubic inches.
grain per cubic inches = ounces per imperial gallon × 1.57703444059
For a page dedicated to this direction, see Ounce per Imperial gallon to Grain per Cubic inch.
Understanding the Grain per Cubic inch (gr/in3)
Mass per volume density.
Understanding the Ounce per Imperial gallon (oz/imp gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ounces per imperial gallon are in 1 grain per cubic inch?
1 grain per cubic inch equals 0.6341015607 ounces per imperial gallon, using the exact defined conversion factor rather than an estimate.
How do I convert grain per cubic inch to ounce per imperial gallon?
Multiply the grain per cubic inch value by 0.6341015607. The converter above does this instantly to whatever precision you set.
How do I convert ounce per imperial gallon back to grain per cubic inch?
Use the reverse factor: 1 ounce per imperial gallon equals 1.577034441 grain per cubic inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per cubic inch?
Grain per Cubic inch (gr/in3) is a unit of density.
What is a ounce per imperial gallon?
Ounce per Imperial gallon (oz/imp gal) is a unit of density.
Is the grain per cubic inch to ounce per imperial gallon conversion exact?
Yes. Both grain per cubic inch and ounce per imperial gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.6341015607 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.