Mass per volume density.
Stones per Quart to Kilograms per Milliliter Converter — st/qt to kg/mL
Convert Stone per Quart (st/qt) to Kilogram per Milliliter (kg/mL) using the exact conversion factor (1 stone per quart = 0.0067102799 kilogram per milliliter). See the formula, worked examples, and conversion table.
Stones per Quart to Kilograms 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 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 Kilograms per Milliliter
Stone per Quart and Kilogram 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
kilograms per milliliter = 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 kilogram per milliliter equals 1000000 base units, so dividing one by the other gives the direct stone per quart-to-kilogram per milliliter factor of 0.00671027992975.
Simple example
1 st/qt × 0.00671027993 = 0.0067102799 kg/mL
1 stone per quart = 0.0067102799 kilograms per milliliter.
Real-world example
1,000 st/qt × 0.00671027993 = 6.71027993 kg/mL
1,000 stones per quart = 6.71027993 kilograms per milliliter.
Conversion table
| Stone per Quart (st/qt) | Kilogram per Milliliter (kg/mL) |
|---|---|
| 0.1 st/qt | 0.000671028 kg/mL |
| 1 st/qt | 0.0067102799 kg/mL |
| 10 st/qt | 0.0671027993 kg/mL |
| 100 st/qt | 0.671027993 kg/mL |
| 1,000 st/qt | 6.71027993 kg/mL |
| 10,000 st/qt | 67.1027993 kg/mL |
Reverse conversion: Kilogram per Milliliter to Stone per Quart
0.0067102799 kg/mL × 149.0250795 = 0.9999999956 st/qt
0.0067102799 kilograms per milliliter = 0.9999999956 stones per quart.
stones per quart = kilograms per milliliter × 149.0250795
For a page dedicated to this direction, see Kilogram per Milliliter to Stone per Quart.
Understanding the Stone per Quart (st/qt)
Mass per volume density.
Understanding the Kilogram per Milliliter (kg/mL)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilograms per milliliter are in 1 stone per quart?
1 stone per quart equals 0.0067102799 kilograms per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert stone per quart to kilogram per milliliter?
Multiply the stone per quart value by 0.00671027993. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per milliliter back to stone per quart?
Use the reverse factor: 1 kilogram per milliliter 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 kilogram per milliliter?
Kilogram per Milliliter (kg/mL) is a unit of density.
Is the stone per quart to kilogram per milliliter conversion exact?
Yes. Both stone per quart and kilogram per milliliter 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.