Mass per volume density.
Stones per Gallon to Long tons per Milliliter Converter — st/gal to long ton/mL
Convert Stone per Gallon (st/gal) to Long ton per Milliliter (long ton/mL) using the exact conversion factor (1 stone per gallon = 0.0000016511 long ton per milliliter). See the formula, worked examples, and conversion table.
Stones per Gallon to Long tons per Milliliter 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 1677.569982 / 1.01604691e+9.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Gallon to Long tons per Milliliter
Stone per Gallon and Long ton per Milliliter 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 milliliter = stones per gallon × 0.00000165107532724
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per gallon equals 1677.56998244 base units, and 1 long ton per milliliter equals 1016046908.8 base units, so dividing one by the other gives the direct stone per gallon-to-long ton per milliliter factor of 0.00000165107532724.
Simple example
1 st/gal × 0.000001651075327 = 0.0000016511 long ton/mL
1 stone per gallon = 0.0000016511 long tons per milliliter.
Real-world example
1,000 st/gal × 0.000001651075327 = 0.0016510753 long ton/mL
1,000 stones per gallon = 0.0016510753 long tons per milliliter.
Conversion table
| Stone per Gallon (st/gal) | Long ton per Milliliter (long ton/mL) |
|---|---|
| 0.1 st/gal | 1.651075e-7 long ton/mL |
| 1 st/gal | 0.0000016511 long ton/mL |
| 10 st/gal | 0.0000165108 long ton/mL |
| 100 st/gal | 0.0001651075 long ton/mL |
| 1,000 st/gal | 0.0016510753 long ton/mL |
| 10,000 st/gal | 0.0165107533 long ton/mL |
Reverse conversion: Long ton per Milliliter to Stone per Gallon
0.0000016511 long ton/mL × 605665.8854 = 1.000014943 st/gal
0.0000016511 long tons per milliliter = 1.000014943 stones per gallon.
stones per gallon = long tons per milliliter × 605665.88544
For a page dedicated to this direction, see Long ton per Milliliter to Stone per Gallon.
Understanding the Stone per Gallon (st/gal)
Mass per volume density.
Understanding the Long ton per Milliliter (long ton/mL)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many long tons per milliliter are in 1 stone per gallon?
1 stone per gallon equals 0.0000016511 long tons per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert stone per gallon to long ton per milliliter?
Multiply the stone per gallon value by 0.000001651075327. The converter above does this instantly to whatever precision you set.
How do I convert long ton per milliliter back to stone per gallon?
Use the reverse factor: 1 long ton per milliliter equals 605,665.8854 stones per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per gallon?
Stone per Gallon (st/gal) is a unit of density.
What is a long ton per milliliter?
Long ton per Milliliter (long ton/mL) is a unit of density.
Is the stone per gallon to long ton per milliliter conversion exact?
Yes. Both stone per gallon and long ton per milliliter are defined by fixed standards rather than physical artifacts, so the factor of 0.000001651075327 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.