Mass per volume density.
Stones per Imperial gallon to Kilograms per Imperial gallon Converter — st/imp gal to kg/imp gal
Convert Stone per Imperial gallon (st/imp gal) to Kilogram per Imperial gallon (kg/imp gal) using the exact conversion factor (1 stone per imperial gallon = 6.35029318 kilogram per imperial gallon). See the formula, worked examples, conversion table, and common uses.
Stones per Imperial 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 1396.869217 / 219.9692483.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Imperial gallon to Kilograms per Imperial gallon
Stone per Imperial 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 = stones per imperial gallon × 6.35029318
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per imperial gallon equals 1396.86921728 base units, and 1 kilogram per imperial gallon equals 219.969248299 base units, so dividing one by the other gives the direct stone per imperial gallon-to-kilogram per imperial gallon factor of 6.35029318.
Simple example
1 st/imp gal × 6.35029318 = 6.35029318 kg/imp gal
1 stone per imperial gallon = 6.35029318 kilograms per imperial gallon.
Real-world example
1,000 st/imp gal × 6.35029318 = 6,350.29318 kg/imp gal
1,000 stones per imperial gallon = 6,350.29318 kilograms per imperial gallon.
Conversion table
| Stone per Imperial gallon (st/imp gal) | Kilogram per Imperial gallon (kg/imp gal) |
|---|---|
| 0.1 st/imp gal | 0.635029318 kg/imp gal |
| 1 st/imp gal | 6.35029318 kg/imp gal |
| 10 st/imp gal | 63.5029318 kg/imp gal |
| 100 st/imp gal | 635.029318 kg/imp gal |
| 1,000 st/imp gal | 6,350.29318 kg/imp gal |
| 10,000 st/imp gal | 63,502.9318 kg/imp gal |
Reverse conversion: Kilogram per Imperial gallon to Stone per Imperial gallon
6.35029318 kg/imp gal × 0.1574730444 = 1 st/imp gal
6.35029318 kilograms per imperial gallon = 1 stones per imperial gallon.
stones per imperial gallon = kilograms per imperial gallon × 0.157473044418
For a page dedicated to this direction, see Kilogram per Imperial gallon to Stone per Imperial gallon.
Understanding the Stone per Imperial gallon (st/imp 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 stone per imperial gallon?
1 stone per imperial gallon equals 6.35029318 kilograms per imperial gallon, using the exact defined conversion factor rather than an estimate.
How do I convert stone per imperial gallon to kilogram per imperial gallon?
Multiply the stone per imperial gallon value by 6.35029318. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per imperial gallon back to stone per imperial gallon?
Use the reverse factor: 1 kilogram per imperial gallon equals 0.1574730444 stones per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per imperial gallon?
Stone per Imperial gallon (st/imp 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 stone per imperial gallon to kilogram per imperial gallon conversion exact?
Yes. Both stone per imperial gallon and kilogram per imperial gallon are defined by fixed standards rather than physical artifacts, so the factor of 6.35029318 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.