Mass per volume density.
Stones per Imperial gallon to Long tons per Gallon Converter — st/imp gal to long ton/gal
Convert Stone per Imperial gallon (st/imp gal) to Long ton per Gallon (long ton/gal) using the exact conversion factor (1 stone per imperial gallon = 0.0052042137 long ton per gallon). See the formula, worked examples, and conversion table.
Stones per Imperial gallon to Long tons 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 1396.869217 / 268411.1972.
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 Long tons per Gallon
Stone per Imperial gallon and Long ton 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
long tons per gallon = stones per imperial gallon × 0.00520421365393
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 long ton per gallon equals 268411.19719 base units, so dividing one by the other gives the direct stone per imperial gallon-to-long ton per gallon factor of 0.00520421365393.
Simple example
1 st/imp gal × 0.005204213654 = 0.0052042137 long ton/gal
1 stone per imperial gallon = 0.0052042137 long tons per gallon.
Real-world example
1,000 st/imp gal × 0.005204213654 = 5.204213654 long ton/gal
1,000 stones per imperial gallon = 5.204213654 long tons per gallon.
Conversion table
| Stone per Imperial gallon (st/imp gal) | Long ton per Gallon (long ton/gal) |
|---|---|
| 0.1 st/imp gal | 0.0005204214 long ton/gal |
| 1 st/imp gal | 0.0052042137 long ton/gal |
| 10 st/imp gal | 0.0520421365 long ton/gal |
| 100 st/imp gal | 0.5204213654 long ton/gal |
| 1,000 st/imp gal | 5.204213654 long ton/gal |
| 10,000 st/imp gal | 52.04213654 long ton/gal |
Reverse conversion: Long ton per Gallon to Stone per Imperial gallon
0.0052042137 long ton/gal × 192.1519881 = 1.000000009 st/imp gal
0.0052042137 long tons per gallon = 1.000000009 stones per imperial gallon.
stones per imperial gallon = long tons per gallon × 192.151988081
For a page dedicated to this direction, see Long ton per Gallon to Stone per Imperial gallon.
Understanding the Stone per Imperial gallon (st/imp gal)
Mass per volume density.
Understanding the Long ton per Gallon (long ton/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many long tons per gallon are in 1 stone per imperial gallon?
1 stone per imperial gallon equals 0.0052042137 long tons per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert stone per imperial gallon to long ton per gallon?
Multiply the stone per imperial gallon value by 0.005204213654. The converter above does this instantly to whatever precision you set.
How do I convert long ton per gallon back to stone per imperial gallon?
Use the reverse factor: 1 long ton per gallon equals 192.1519881 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 long ton per gallon?
Long ton per Gallon (long ton/gal) is a unit of density.
Is the stone per imperial gallon to long ton per gallon conversion exact?
Yes. Both stone per imperial gallon and long ton per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.005204213654 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.