Mass per volume density.
Troy ounces per Imperial gallon to Grains per Cup Converter — oz t/imp gal to gr/cup
Convert Troy ounce per Imperial gallon (oz t/imp gal) to Grain per Cup (gr/cup) using the exact conversion factor (1 troy ounce per imperial gallon = 24.98022554 grain per cup). See the formula, worked examples, and conversion table.
Troy ounces per Imperial gallon to Grains per Cup 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 / 0.2738889767.
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 Cup
Troy ounce per Imperial gallon and Grain per Cup 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 cup = troy ounces per imperial gallon × 24.9802255389
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 cup equals 0.273888976724 base units, so dividing one by the other gives the direct troy ounce per imperial gallon-to-grain per cup factor of 24.9802255389.
Simple example
1 oz t/imp gal × 24.98022554 = 24.98022554 gr/cup
1 troy ounce per imperial gallon = 24.98022554 grains per cup.
Real-world example
1,000 oz t/imp gal × 24.98022554 = 24,980.22554 gr/cup
1,000 troy ounces per imperial gallon = 24,980.22554 grains per cup.
Conversion table
| Troy ounce per Imperial gallon (oz t/imp gal) | Grain per Cup (gr/cup) |
|---|---|
| 0.1 oz t/imp gal | 2.498022554 gr/cup |
| 1 oz t/imp gal | 24.98022554 gr/cup |
| 10 oz t/imp gal | 249.8022554 gr/cup |
| 100 oz t/imp gal | 2,498.022554 gr/cup |
| 1,000 oz t/imp gal | 24,980.22554 gr/cup |
| 10,000 oz t/imp gal | 249,802.2554 gr/cup |
Reverse conversion: Grain per Cup to Troy ounce per Imperial gallon
24.98022554 gr/cup × 0.04003166418 = 1 oz t/imp gal
24.98022554 grains per cup = 1 troy ounces per imperial gallon.
troy ounces per imperial gallon = grains per cup × 0.0400316641835
For a page dedicated to this direction, see Grain per Cup 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 Cup (gr/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per cup are in 1 troy ounce per imperial gallon?
1 troy ounce per imperial gallon equals 24.98022554 grains per cup, using the exact defined conversion factor rather than an estimate.
How do I convert troy ounce per imperial gallon to grain per cup?
Multiply the troy ounce per imperial gallon value by 24.98022554. The converter above does this instantly to whatever precision you set.
How do I convert grain per cup back to troy ounce per imperial gallon?
Use the reverse factor: 1 grain per cup equals 0.0400316642 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 cup?
Grain per Cup (gr/cup) is a unit of density.
Is the troy ounce per imperial gallon to grain per cup conversion exact?
Yes. Both troy ounce per imperial gallon and grain per cup are defined by fixed standards rather than physical artifacts, so the factor of 24.98022554 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.