Mass per volume density.
Stones per Quart to Pounds per Cubic Millimeter Converter — st/qt to lb/mm3
Convert Stone per Quart (st/qt) to Pound per Cubic Millimeter (lb/mm3) using the exact conversion factor (1 stone per quart = 0.0000147936 pound per cubic millimeter). See the formula, worked examples, and conversion table.
Stones per Quart to Pounds per Cubic Millimeter 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 / 4.5359237e+8.
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 Pounds per Cubic Millimeter
Stone per Quart and Pound per Cubic Millimeter 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
pounds per cubic millimeter = stones per quart × 0.0000147936349321
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 pound per cubic millimeter equals 453592370 base units, so dividing one by the other gives the direct stone per quart-to-pound per cubic millimeter factor of 0.0000147936349321.
Simple example
1 st/qt × 0.00001479363493 = 0.0000147936 lb/mm3
1 stone per quart = 0.0000147936 pounds per cubic millimeter.
Real-world example
1,000 st/qt × 0.00001479363493 = 0.0147936349 lb/mm3
1,000 stones per quart = 0.0147936349 pounds per cubic millimeter.
Conversion table
| Stone per Quart (st/qt) | Pound per Cubic Millimeter (lb/mm3) |
|---|---|
| 0.1 st/qt | 0.0000014794 lb/mm3 |
| 1 st/qt | 0.0000147936 lb/mm3 |
| 10 st/qt | 0.0001479363 lb/mm3 |
| 100 st/qt | 0.0014793635 lb/mm3 |
| 1,000 st/qt | 0.0147936349 lb/mm3 |
| 10,000 st/qt | 0.1479363493 lb/mm3 |
Reverse conversion: Pound per Cubic Millimeter to Stone per Quart
0.0000147936 lb/mm3 × 67596.639 = 0.9999976387 st/qt
0.0000147936 pounds per cubic millimeter = 0.9999976387 stones per quart.
stones per quart = pounds per cubic millimeter × 67596.639
For a page dedicated to this direction, see Pound per Cubic Millimeter to Stone per Quart.
Understanding the Stone per Quart (st/qt)
Mass per volume density.
Understanding the Pound per Cubic Millimeter (lb/mm3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per cubic millimeter are in 1 stone per quart?
1 stone per quart equals 0.0000147936 pounds per cubic millimeter, using the exact defined conversion factor rather than an estimate.
How do I convert stone per quart to pound per cubic millimeter?
Multiply the stone per quart value by 0.00001479363493. The converter above does this instantly to whatever precision you set.
How do I convert pound per cubic millimeter back to stone per quart?
Use the reverse factor: 1 pound per cubic millimeter equals 67,596.639 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 pound per cubic millimeter?
Pound per Cubic Millimeter (lb/mm3) is a unit of density.
Is the stone per quart to pound per cubic millimeter conversion exact?
Yes. Both stone per quart and pound per cubic millimeter are defined by fixed standards rather than physical artifacts, so the factor of 0.00001479363493 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.