Mass per volume density.
Carats per Imperial gallon to Grains per Gallon Converter — ct/imp gal to gr/gal
Convert Carat per Imperial gallon (ct/imp gal) to Grain per Gallon (gr/gal) using the exact conversion factor (1 carat per imperial gallon = 2.570025282 grain per gallon). See the formula, worked examples, and conversion table.
Carats per Imperial gallon to Grains per 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 0.04399384966 / 0.01711806105.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Carats per Imperial gallon to Grains per Gallon
Carat per Imperial gallon and Grain per 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
grains per gallon = carats per imperial gallon × 2.57002528169
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per imperial gallon equals 0.0439938496598 base units, and 1 grain per gallon equals 0.0171180610453 base units, so dividing one by the other gives the direct carat per imperial gallon-to-grain per gallon factor of 2.57002528169.
Simple example
1 ct/imp gal × 2.570025282 = 2.570025282 gr/gal
1 carat per imperial gallon = 2.570025282 grains per gallon.
Real-world example
1,000 ct/imp gal × 2.570025282 = 2,570.025282 gr/gal
1,000 carats per imperial gallon = 2,570.025282 grains per gallon.
Conversion table
| Carat per Imperial gallon (ct/imp gal) | Grain per Gallon (gr/gal) |
|---|---|
| 0.1 ct/imp gal | 0.2570025282 gr/gal |
| 1 ct/imp gal | 2.570025282 gr/gal |
| 10 ct/imp gal | 25.70025282 gr/gal |
| 100 ct/imp gal | 257.0025282 gr/gal |
| 1,000 ct/imp gal | 2,570.025282 gr/gal |
| 10,000 ct/imp gal | 25,700.25282 gr/gal |
Reverse conversion: Grain per Gallon to Carat per Imperial gallon
2.570025282 gr/gal × 0.3891012307 = 1 ct/imp gal
2.570025282 grains per gallon = 1 carats per imperial gallon.
carats per imperial gallon = grains per gallon × 0.389101230686
For a page dedicated to this direction, see Grain per Gallon to Carat per Imperial gallon.
Understanding the Carat per Imperial gallon (ct/imp gal)
Mass per volume density.
Understanding the Grain per Gallon (gr/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains per gallon are in 1 carat per imperial gallon?
1 carat per imperial gallon equals 2.570025282 grains per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert carat per imperial gallon to grain per gallon?
Multiply the carat per imperial gallon value by 2.570025282. The converter above does this instantly to whatever precision you set.
How do I convert grain per gallon back to carat per imperial gallon?
Use the reverse factor: 1 grain per gallon equals 0.3891012307 carats per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per imperial gallon?
Carat per Imperial gallon (ct/imp gal) is a unit of density.
What is a grain per gallon?
Grain per Gallon (gr/gal) is a unit of density.
Is the carat per imperial gallon to grain per gallon conversion exact?
Yes. Both carat per imperial gallon and grain per gallon are defined by fixed standards rather than physical artifacts, so the factor of 2.570025282 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.