Mass per volume density.
Stones per Quart to Pounds per Quart Converter — st/qt to lb/qt
Convert Stone per Quart (st/qt) to Pound per Quart (lb/qt) using the exact conversion factor (1 stone per quart = 14 pound per quart). See the formula, worked examples, and conversion table.
Stones per Quart to Pounds per Quart 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 / 479.3057093.
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 Quart
Stone per Quart and Pound per Quart 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 quart = stones per quart × 14
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 quart equals 479.305709268 base units, so dividing one by the other gives the direct stone per quart-to-pound per quart factor of 14.
Simple example
1 st/qt × 14 = 14 lb/qt
1 stone per quart = 14 pounds per quart.
Real-world example
1,000 st/qt × 14 = 14,000 lb/qt
1,000 stones per quart = 14,000 pounds per quart.
Conversion table
| Stone per Quart (st/qt) | Pound per Quart (lb/qt) |
|---|---|
| 0.1 st/qt | 1.4 lb/qt |
| 1 st/qt | 14 lb/qt |
| 10 st/qt | 140 lb/qt |
| 100 st/qt | 1,400 lb/qt |
| 1,000 st/qt | 14,000 lb/qt |
| 10,000 st/qt | 140,000 lb/qt |
Reverse conversion: Pound per Quart to Stone per Quart
14 lb/qt × 0.07142857143 = 1 st/qt
14 pounds per quart = 1 stone per quart.
stones per quart = pounds per quart × 0.0714285714286
For a page dedicated to this direction, see Pound per Quart to Stone per Quart.
Understanding the Stone per Quart (st/qt)
Mass per volume density.
Understanding the Pound per Quart (lb/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per quart are in 1 stone per quart?
1 stone per quart equals 14 pounds per quart, using the exact defined conversion factor rather than an estimate.
How do I convert stone per quart to pound per quart?
Multiply the stone per quart value by 14. The converter above does this instantly to whatever precision you set.
How do I convert pound per quart back to stone per quart?
Use the reverse factor: 1 pound per quart equals 0.0714285714 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 quart?
Pound per Quart (lb/qt) is a unit of density.
Is the stone per quart to pound per quart conversion exact?
Yes. Both stone per quart and pound per quart are defined by fixed standards rather than physical artifacts, so the factor of 14 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.