Mass per volume density.
Stones per Imperial gallon to Megagrams per Liter Converter — st/imp gal to Mg/L
Convert Stone per Imperial gallon (st/imp gal) to Megagram per Liter (Mg/L) using the exact conversion factor (1 stone per imperial gallon = 0.0013968692 megagram per liter). See the formula, worked examples, and conversion table.
Stones per Imperial gallon to Megagrams per Liter 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 / 1e+6.
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 Megagrams per Liter
Stone per Imperial gallon and Megagram per Liter 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
megagrams per liter = stones per imperial gallon × 0.00139686921728
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 megagram per liter equals 1000000 base units, so dividing one by the other gives the direct stone per imperial gallon-to-megagram per liter factor of 0.00139686921728.
Simple example
1 st/imp gal × 0.001396869217 = 0.0013968692 Mg/L
1 stone per imperial gallon = 0.0013968692 megagrams per liter.
Real-world example
1,000 st/imp gal × 0.001396869217 = 1.396869217 Mg/L
1,000 stones per imperial gallon = 1.396869217 megagrams per liter.
Conversion table
| Stone per Imperial gallon (st/imp gal) | Megagram per Liter (Mg/L) |
|---|---|
| 0.1 st/imp gal | 0.0001396869 Mg/L |
| 1 st/imp gal | 0.0013968692 Mg/L |
| 10 st/imp gal | 0.0139686922 Mg/L |
| 100 st/imp gal | 0.1396869217 Mg/L |
| 1,000 st/imp gal | 1.396869217 Mg/L |
| 10,000 st/imp gal | 13.96869217 Mg/L |
Reverse conversion: Megagram per Liter to Stone per Imperial gallon
0.0013968692 Mg/L × 715.8866325 = 0.9999999876 st/imp gal
0.0013968692 megagrams per liter = 0.9999999876 stones per imperial gallon.
stones per imperial gallon = megagrams per liter × 715.886632497
For a page dedicated to this direction, see Megagram per Liter to Stone per Imperial gallon.
Understanding the Stone per Imperial gallon (st/imp gal)
Mass per volume density.
Understanding the Megagram per Liter (Mg/L)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many megagrams per liter are in 1 stone per imperial gallon?
1 stone per imperial gallon equals 0.0013968692 megagrams per liter, using the exact defined conversion factor rather than an estimate.
How do I convert stone per imperial gallon to megagram per liter?
Multiply the stone per imperial gallon value by 0.001396869217. The converter above does this instantly to whatever precision you set.
How do I convert megagram per liter back to stone per imperial gallon?
Use the reverse factor: 1 megagram per liter equals 715.8866325 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 megagram per liter?
Megagram per Liter (Mg/L) is a unit of density.
Is the stone per imperial gallon to megagram per liter conversion exact?
Yes. Both stone per imperial gallon and megagram per liter are defined by fixed standards rather than physical artifacts, so the factor of 0.001396869217 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.