Mass per volume density.
Grains per Gallon to Kilograms per Imperial gallon Converter — gr/gal to kg/imp gal
Convert Grain per Gallon (gr/gal) to Kilogram per Imperial gallon (kg/imp gal) using the exact conversion factor (1 grain per gallon = 0.0000778202 kilogram per imperial gallon). See the formula, worked examples, conversion table, and common uses.
Grains per Gallon to Kilograms 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 0.01711806105 / 219.9692483.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Gallon to Kilograms per Imperial gallon
Grain per Gallon and Kilogram 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
kilograms per imperial gallon = grains per gallon × 0.0000778202461373
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per gallon equals 0.0171180610453 base units, and 1 kilogram per imperial gallon equals 219.969248299 base units, so dividing one by the other gives the direct grain per gallon-to-kilogram per imperial gallon factor of 0.0000778202461373.
Simple example
1 gr/gal × 0.00007782024614 = 0.0000778202 kg/imp gal
1 grain per gallon = 0.0000778202 kilograms per imperial gallon.
Real-world example
1,000 gr/gal × 0.00007782024614 = 0.0778202461 kg/imp gal
1,000 grains per gallon = 0.0778202461 kilograms per imperial gallon.
Conversion table
| Grain per Gallon (gr/gal) | Kilogram per Imperial gallon (kg/imp gal) |
|---|---|
| 0.1 gr/gal | 0.000007782 kg/imp gal |
| 1 gr/gal | 0.0000778202 kg/imp gal |
| 10 gr/gal | 0.0007782025 kg/imp gal |
| 100 gr/gal | 0.0077820246 kg/imp gal |
| 1,000 gr/gal | 0.0778202461 kg/imp gal |
| 10,000 gr/gal | 0.7782024614 kg/imp gal |
Reverse conversion: Kilogram per Imperial gallon to Grain per Gallon
0.0000778202 kg/imp gal × 12850.12641 = 0.9999994071 gr/gal
0.0000778202 kilograms per imperial gallon = 0.9999994071 grains per gallon.
grains per gallon = kilograms per imperial gallon × 12850.1264084
For a page dedicated to this direction, see Kilogram per Imperial gallon to Grain per Gallon.
Understanding the Grain per Gallon (gr/gal)
Mass per volume density.
Understanding the Kilogram per Imperial gallon
Kilogram per Imperial gallon (kg/imp gal) measures density. A mathematically valid way to express liquid density in kilograms per imperial gallon. It is classified as a mixed metric/UK customary density unit.
Uses of the Kilogram per Imperial gallon today
- Can be used to express liquid density in UK/Commonwealth contexts that reference the imperial gallon — in practice, kilograms per liter is the more commonly seen metric density unit even in these regions
Kilogram per Imperial gallon — sources
- UK/Commonwealth liquid-measurement references — The imperial gallon remains in some UK/Commonwealth commercial use, but liquid density is more commonly quoted in kilograms per liter.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilograms per imperial gallon are in 1 grain per gallon?
1 grain per gallon equals 0.0000778202 kilograms per imperial gallon, using the exact defined conversion factor rather than an estimate.
How do I convert grain per gallon to kilogram per imperial gallon?
Multiply the grain per gallon value by 0.00007782024614. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per imperial gallon back to grain per gallon?
Use the reverse factor: 1 kilogram per imperial gallon equals 12,850.12641 grains per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per gallon?
Grain per Gallon (gr/gal) is a unit of density.
What is a kilogram per imperial gallon?
Kilogram per Imperial gallon (kg/imp gal) measures density. A mathematically valid way to express liquid density in kilograms per imperial gallon. It is classified as a mixed metric/UK customary density unit.
Is the grain per gallon to kilogram per imperial gallon conversion exact?
Yes. Both grain per gallon and kilogram per imperial gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.00007782024614 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.