Mass per volume density.
Stones per Quart to Megagrams per Liter Converter — st/qt to Mg/L
Convert Stone per Quart (st/qt) to Megagram per Liter (Mg/L) using the exact conversion factor (1 stone per quart = 0.0067102799 megagram per liter). See the formula, worked examples, and conversion table.
Stones per Quart 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 6710.27993 / 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 Quart to Megagrams per Liter
Stone per Quart 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 quart × 0.00671027992975
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per quart equals 6710.27992975 base units, and 1 megagram per liter equals 1000000 base units, so dividing one by the other gives the direct stone per quart-to-megagram per liter factor of 0.00671027992975.
Simple example
1 st/qt × 0.00671027993 = 0.0067102799 Mg/L
1 stone per quart = 0.0067102799 megagrams per liter.
Real-world example
1,000 st/qt × 0.00671027993 = 6.71027993 Mg/L
1,000 stones per quart = 6.71027993 megagrams per liter.
Conversion table
| Stone per Quart (st/qt) | Megagram per Liter (Mg/L) |
|---|---|
| 0.1 st/qt | 0.000671028 Mg/L |
| 1 st/qt | 0.0067102799 Mg/L |
| 10 st/qt | 0.0671027993 Mg/L |
| 100 st/qt | 0.671027993 Mg/L |
| 1,000 st/qt | 6.71027993 Mg/L |
| 10,000 st/qt | 67.1027993 Mg/L |
Reverse conversion: Megagram per Liter to Stone per Quart
0.0067102799 Mg/L × 149.0250795 = 0.9999999956 st/qt
0.0067102799 megagrams per liter = 0.9999999956 stones per quart.
stones per quart = megagrams per liter × 149.0250795
For a page dedicated to this direction, see Megagram per Liter to Stone per Quart.
Understanding the Stone per Quart (st/qt)
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 quart?
1 stone per quart equals 0.0067102799 megagrams per liter, using the exact defined conversion factor rather than an estimate.
How do I convert stone per quart to megagram per liter?
Multiply the stone per quart value by 0.00671027993. The converter above does this instantly to whatever precision you set.
How do I convert megagram per liter back to stone per quart?
Use the reverse factor: 1 megagram per liter equals 149.0250795 stones per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per quart?
Stone per Quart (st/qt) 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 quart to megagram per liter conversion exact?
Yes. Both stone per quart and megagram per liter are defined by fixed standards rather than physical artifacts, so the factor of 0.00671027993 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.