Mass per volume density.
Stones per Cup to Long tons per Imperial gallon Converter — st/cup to long ton/imp gal
Convert Stone per Cup (st/cup) to Long ton per Imperial gallon (long ton/imp gal) using the exact conversion factor (1 stone per cup = 0.1200949926 long ton per imperial gallon). See the formula, worked examples, and conversion table.
Stones per Cup to Long tons 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 26841.11972 / 223499.0748.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Cup to Long tons per Imperial gallon
Stone per Cup and Long ton 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
long tons per imperial gallon = stones per cup × 0.12009499255
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per cup equals 26841.119719 base units, and 1 long ton per imperial gallon equals 223499.074765 base units, so dividing one by the other gives the direct stone per cup-to-long ton per imperial gallon factor of 0.12009499255.
Simple example
1 st/cup × 0.1200949926 = 0.1200949926 long ton/imp gal
1 stone per cup = 0.1200949926 long tons per imperial gallon.
Real-world example
1,000 st/cup × 0.1200949926 = 120.0949926 long ton/imp gal
1,000 stones per cup = 120.0949926 long tons per imperial gallon.
Conversion table
| Stone per Cup (st/cup) | Long ton per Imperial gallon (long ton/imp gal) |
|---|---|
| 0.1 st/cup | 0.0120094993 long ton/imp gal |
| 1 st/cup | 0.1200949926 long ton/imp gal |
| 10 st/cup | 1.200949926 long ton/imp gal |
| 100 st/cup | 12.00949926 long ton/imp gal |
| 1,000 st/cup | 120.0949926 long ton/imp gal |
| 10,000 st/cup | 1,200.949926 long ton/imp gal |
Reverse conversion: Long ton per Imperial gallon to Stone per Cup
0.1200949926 long ton/imp gal × 8.326741846 = 1 st/cup
0.1200949926 long tons per imperial gallon = 1 stones per cup.
stones per cup = long tons per imperial gallon × 8.32674184629
For a page dedicated to this direction, see Long ton per Imperial gallon to Stone per Cup.
Understanding the Stone per Cup (st/cup)
Mass per volume density.
Understanding the Long ton per Imperial gallon (long ton/imp 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 imperial gallon are in 1 stone per cup?
1 stone per cup equals 0.1200949926 long tons per imperial gallon, using the exact defined conversion factor rather than an estimate.
How do I convert stone per cup to long ton per imperial gallon?
Multiply the stone per cup value by 0.1200949926. The converter above does this instantly to whatever precision you set.
How do I convert long ton per imperial gallon back to stone per cup?
Use the reverse factor: 1 long ton per imperial gallon equals 8.326741846 stones per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per cup?
Stone per Cup (st/cup) is a unit of density.
What is a long ton per imperial gallon?
Long ton per Imperial gallon (long ton/imp gal) is a unit of density.
Is the stone per cup to long ton per imperial gallon conversion exact?
Yes. Both stone per cup and long ton per imperial gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.1200949926 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.