Mass per volume density.
Pounds per Imperial gallon to Stones per Gallon Converter — lb/imp gal to st/gal
Convert Pound per Imperial gallon (lb/imp gal) to Stone per Gallon (st/gal) using the exact conversion factor (1 pound per imperial gallon = 0.0594767275 stone per gallon). See the formula, worked examples, and conversion table.
Pounds per Imperial gallon to Stones 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 99.77637266 / 1677.569982.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Imperial gallon to Stones per Gallon
Pound per Imperial gallon and Stone 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
stones per gallon = pounds per imperial gallon × 0.0594767274735
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per imperial gallon equals 99.7763726631 base units, and 1 stone per gallon equals 1677.56998244 base units, so dividing one by the other gives the direct pound per imperial gallon-to-stone per gallon factor of 0.0594767274735.
Simple example
1 lb/imp gal × 0.05947672747 = 0.0594767275 st/gal
1 pound per imperial gallon = 0.0594767275 stones per gallon.
Real-world example
1,000 lb/imp gal × 0.05947672747 = 59.47672747 st/gal
1,000 pounds per imperial gallon = 59.47672747 stones per gallon.
Conversion table
| Pound per Imperial gallon (lb/imp gal) | Stone per Gallon (st/gal) |
|---|---|
| 0.1 lb/imp gal | 0.0059476727 st/gal |
| 1 lb/imp gal | 0.0594767275 st/gal |
| 10 lb/imp gal | 0.5947672747 st/gal |
| 100 lb/imp gal | 5.947672747 st/gal |
| 1,000 lb/imp gal | 59.47672747 st/gal |
| 10,000 lb/imp gal | 594.7672747 st/gal |
Reverse conversion: Stone per Gallon to Pound per Imperial gallon
0.0594767275 st/gal × 16.81329896 = 1 lb/imp gal
0.0594767275 stones per gallon = 1 pounds per imperial gallon.
pounds per imperial gallon = stones per gallon × 16.8132989571
For a page dedicated to this direction, see Stone per Gallon to Pound per Imperial gallon.
Understanding the Pound per Imperial gallon (lb/imp gal)
Mass per volume density.
Understanding the Stone per Gallon (st/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per gallon are in 1 pound per imperial gallon?
1 pound per imperial gallon equals 0.0594767275 stones per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert pound per imperial gallon to stone per gallon?
Multiply the pound per imperial gallon value by 0.05947672747. The converter above does this instantly to whatever precision you set.
How do I convert stone per gallon back to pound per imperial gallon?
Use the reverse factor: 1 stone per gallon equals 16.81329896 pounds per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per imperial gallon?
Pound per Imperial gallon (lb/imp gal) is a unit of density.
What is a stone per gallon?
Stone per Gallon (st/gal) is a unit of density.
Is the pound per imperial gallon to stone per gallon conversion exact?
Yes. Both pound per imperial gallon and stone per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.05947672747 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.