Mass per volume density.
Long tons per Quart to Stones per Imperial gallon Converter — long ton/qt to st/imp gal
Convert Long ton per Quart (long ton/qt) to Stone per Imperial gallon (st/imp gal) using the exact conversion factor (1 long ton per quart = 768.6079523 stone per imperial gallon). See the formula, worked examples, and conversion table.
Long tons per Quart to Stones 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 1.07364479e+6 / 1396.869217.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Long tons per Quart to Stones per Imperial gallon
Long ton per Quart and Stone 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
stones per imperial gallon = long tons per quart × 768.607952323
This factor comes from each unit's defined relationship to the category's base unit: 1 long ton per quart equals 1073644.78876 base units, and 1 stone per imperial gallon equals 1396.86921728 base units, so dividing one by the other gives the direct long ton per quart-to-stone per imperial gallon factor of 768.607952323.
Simple example
1 long ton/qt × 768.6079523 = 768.6079523 st/imp gal
1 long ton per quart = 768.6079523 stones per imperial gallon.
Real-world example
1,000 long ton/qt × 768.6079523 = 768,607.9523 st/imp gal
1,000 long tons per quart = 768,607.9523 stones per imperial gallon.
Conversion table
| Long ton per Quart (long ton/qt) | Stone per Imperial gallon (st/imp gal) |
|---|---|
| 0.1 long ton/qt | 76.86079523 st/imp gal |
| 1 long ton/qt | 768.6079523 st/imp gal |
| 10 long ton/qt | 7,686.079523 st/imp gal |
| 100 long ton/qt | 76,860.79523 st/imp gal |
| 1,000 long ton/qt | 768,607.9523 st/imp gal |
| 10,000 long ton/qt | 7,686,079.523 st/imp gal |
Reverse conversion: Stone per Imperial gallon to Long ton per Quart
768.6079523 st/imp gal × 0.001301053413 = 1 long ton/qt
768.6079523 stones per imperial gallon = 1 long tons per quart.
long tons per quart = stones per imperial gallon × 0.00130105341348
For a page dedicated to this direction, see Stone per Imperial gallon to Long ton per Quart.
Understanding the Long ton per Quart (long ton/qt)
Mass per volume density.
Understanding the Stone per Imperial gallon (st/imp gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per imperial gallon are in 1 long ton per quart?
1 long ton per quart equals 768.6079523 stones per imperial gallon, using the exact defined conversion factor rather than an estimate.
How do I convert long ton per quart to stone per imperial gallon?
Multiply the long ton per quart value by 768.6079523. The converter above does this instantly to whatever precision you set.
How do I convert stone per imperial gallon back to long ton per quart?
Use the reverse factor: 1 stone per imperial gallon equals 0.0013010534 long tons per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a long ton per quart?
Long ton per Quart (long ton/qt) is a unit of density.
What is a stone per imperial gallon?
Stone per Imperial gallon (st/imp gal) is a unit of density.
Is the long ton per quart to stone per imperial gallon conversion exact?
Yes. Both long ton per quart and stone per imperial gallon are defined by fixed standards rather than physical artifacts, so the factor of 768.6079523 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.