Mass per volume density.
Kilograms per Imperial gallon to Pounds per Gallon Converter — kg/imp gal to lb/gal
Convert Kilogram per Imperial gallon (kg/imp gal) to Pound per Gallon (lb/gal) using the exact conversion factor (1 kilogram per imperial gallon = 1.835732344 pound per gallon). See the formula, worked examples, conversion table, unit comparison, and common uses.
Kilograms per Imperial gallon to Pounds 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 219.9692483 / 119.8264273.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Kilograms per Imperial gallon to Pounds per Gallon
Kilogram per Imperial gallon and Pound 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. Kilogram per Imperial gallon is most often used for 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.
Formula
pounds per gallon = kilograms per imperial gallon × 1.83573234406
This factor comes from each unit's defined relationship to the category's base unit: 1 kilogram per imperial gallon equals 219.969248299 base units, and 1 pound per gallon equals 119.826427317 base units, so dividing one by the other gives the direct kilogram per imperial gallon-to-pound per gallon factor of 1.83573234406.
Simple example
1 kg/imp gal × 1.835732344 = 1.835732344 lb/gal
1 kilogram per imperial gallon = 1.835732344 pounds per gallon.
Real-world example
1,000 kg/imp gal × 1.835732344 = 1,835.732344 lb/gal
1,000 kilograms per imperial gallon = 1,835.732344 pounds per gallon.
Conversion table
| Kilogram per Imperial gallon (kg/imp gal) | Pound per Gallon (lb/gal) |
|---|---|
| 0.1 kg/imp gal | 0.1835732344 lb/gal |
| 1 kg/imp gal | 1.835732344 lb/gal |
| 10 kg/imp gal | 18.35732344 lb/gal |
| 100 kg/imp gal | 183.5732344 lb/gal |
| 1,000 kg/imp gal | 1,835.732344 lb/gal |
| 10,000 kg/imp gal | 18,357.32344 lb/gal |
Reverse conversion: Pound per Gallon to Kilogram per Imperial gallon
1.835732344 lb/gal × 0.544741723 = 1 kg/imp gal
1.835732344 pounds per gallon = 1 kilograms per imperial gallon.
kilograms per imperial gallon = pounds per gallon × 0.544741722961
For a page dedicated to this direction, see Pound per Gallon to Kilogram per Imperial gallon.
Kilogram per Imperial gallon vs. Pound per Gallon
| Aspect | Kilogram per Imperial gallon | Pound per Gallon |
|---|---|---|
| Family | mixed metric/UK customary density unit | US customary density unit |
| Typical use | 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 | US paint and coatings density specifications |
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
Understanding the Pound per Gallon
Pound per Gallon (lb/gal) measures density. The US customary unit for liquid density, based on the US gallon (231 cubic inches). It is classified as a US customary density unit.
Where it's used: United States (paint, fuel, and industrial liquid density specifications)
lb/gal vs. lb/ft³. Both are US customary density units; they're related through the real, fixed relationship between the US gallon and the cubic foot (1 cubic foot ≈ 7.48 US gallons), not a round conversion factor.
Uses of the Pound per Gallon today
- US paint and coatings density specifications
- US fuel and petroleum liquid density specs
- Industrial liquid handling and shipping weight calculations
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.
Pound per Gallon — sources
- NIST Handbook 44 — General tables of units including US customary density measures.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per gallon are in 1 kilogram per imperial gallon?
1 kilogram per imperial gallon equals 1.835732344 pounds per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert kilogram per imperial gallon to pound per gallon?
Multiply the kilogram per imperial gallon value by 1.835732344. The converter above does this instantly to whatever precision you set.
How do I convert pound per gallon back to kilogram per imperial gallon?
Use the reverse factor: 1 pound per gallon equals 0.544741723 kilograms per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
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.
What is a pound per gallon?
Pound per Gallon (lb/gal) measures density. The US customary unit for liquid density, based on the US gallon (231 cubic inches). It is classified as a US customary density unit.
Is the kilogram per imperial gallon to pound per gallon conversion exact?
Yes. Both kilogram per imperial gallon and pound per gallon are defined by fixed standards rather than physical artifacts, so the factor of 1.835732344 used above is exact to as many digits as you choose to display.
What is the difference between lb/gal vs. lb/ft³?
Both are US customary density units; they're related through the real, fixed relationship between the US gallon and the cubic foot (1 cubic foot ≈ 7.48 US gallons), not a round conversion factor.