Mass per volume density.
Troy ounces per Imperial gallon to Grains per Fluid ounce Converter — oz t/imp gal to gr/fl oz
Convert Troy ounce per Imperial gallon (oz t/imp gal) to Grain per Fluid ounce (gr/fl oz) using the exact conversion factor (1 troy ounce per imperial gallon = 3.122528192 grain per fluid ounce). See the formula, worked examples, and conversion table.
Troy ounces per Imperial gallon to Grains per Fluid ounce 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 6.841808411 / 2.191111814.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Troy ounces per Imperial gallon to Grains per Fluid ounce
Troy ounce per Imperial gallon and Grain per Fluid ounce 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 fluid ounce = troy ounces per imperial gallon × 3.12252819236
This factor comes from each unit's defined relationship to the category's base unit: 1 troy ounce per imperial gallon equals 6.84180841118 base units, and 1 grain per fluid ounce equals 2.19111181379 base units, so dividing one by the other gives the direct troy ounce per imperial gallon-to-grain per fluid ounce factor of 3.12252819236.
Simple example
1 oz t/imp gal × 3.122528192 = 3.122528192 gr/fl oz
1 troy ounce per imperial gallon = 3.122528192 grains per fluid ounce.
Real-world example
1,000 oz t/imp gal × 3.122528192 = 3,122.528192 gr/fl oz
1,000 troy ounces per imperial gallon = 3,122.528192 grains per fluid ounce.
Conversion table
| Troy ounce per Imperial gallon (oz t/imp gal) | Grain per Fluid ounce (gr/fl oz) |
|---|---|
| 0.1 oz t/imp gal | 0.3122528192 gr/fl oz |
| 1 oz t/imp gal | 3.122528192 gr/fl oz |
| 10 oz t/imp gal | 31.22528192 gr/fl oz |
| 100 oz t/imp gal | 312.2528192 gr/fl oz |
| 1,000 oz t/imp gal | 3,122.528192 gr/fl oz |
| 10,000 oz t/imp gal | 31,225.28192 gr/fl oz |
Reverse conversion: Grain per Fluid ounce to Troy ounce per Imperial gallon
3.122528192 gr/fl oz × 0.3202533135 = 0.9999999999 oz t/imp gal
3.122528192 grains per fluid ounce = 0.9999999999 troy ounces per imperial gallon.
troy ounces per imperial gallon = grains per fluid ounce × 0.320253313468
For a page dedicated to this direction, see Grain per Fluid ounce to Troy ounce per Imperial gallon.
Understanding the Troy ounce per Imperial gallon (oz t/imp gal)
Mass per volume density.
Understanding the Grain per Fluid ounce (gr/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per fluid ounce are in 1 troy ounce per imperial gallon?
1 troy ounce per imperial gallon equals 3.122528192 grains per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert troy ounce per imperial gallon to grain per fluid ounce?
Multiply the troy ounce per imperial gallon value by 3.122528192. The converter above does this instantly to whatever precision you set.
How do I convert grain per fluid ounce back to troy ounce per imperial gallon?
Use the reverse factor: 1 grain per fluid ounce equals 0.3202533135 troy ounces per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a troy ounce per imperial gallon?
Troy ounce per Imperial gallon (oz t/imp gal) is a unit of density.
What is a grain per fluid ounce?
Grain per Fluid ounce (gr/fl oz) is a unit of density.
Is the troy ounce per imperial gallon to grain per fluid ounce conversion exact?
Yes. Both troy ounce per imperial gallon and grain per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 3.122528192 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.