Mass per volume density.
Stones per Quart to Kilograms per Cubic foot Converter — st/qt to kg/ft3
Convert Stone per Quart (st/qt) to Kilogram per Cubic foot (kg/ft3) using the exact conversion factor (1 stone per quart = 190.0139674 kilogram per cubic foot). See the formula, worked examples, conversion table, and common uses.
Stones per Quart to Kilograms per Cubic foot 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 / 35.31466672.
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 Cubic foot
Stone per Quart and Kilogram per Cubic foot 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 cubic foot = stones per quart × 190.01396736
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 cubic foot equals 35.3146667215 base units, so dividing one by the other gives the direct stone per quart-to-kilogram per cubic foot factor of 190.01396736.
Simple example
1 st/qt × 190.0139674 = 190.0139674 kg/ft3
1 stone per quart = 190.0139674 kilograms per cubic foot.
Real-world example
1,000 st/qt × 190.0139674 = 190,013.9674 kg/ft3
1,000 stones per quart = 190,013.9674 kilograms per cubic foot.
Conversion table
| Stone per Quart (st/qt) | Kilogram per Cubic foot (kg/ft3) |
|---|---|
| 0.1 st/qt | 19.00139674 kg/ft3 |
| 1 st/qt | 190.0139674 kg/ft3 |
| 10 st/qt | 1,900.139674 kg/ft3 |
| 100 st/qt | 19,001.39674 kg/ft3 |
| 1,000 st/qt | 190,013.9674 kg/ft3 |
| 10,000 st/qt | 1,900,139.674 kg/ft3 |
Reverse conversion: Kilogram per Cubic foot to Stone per Quart
190.0139674 kg/ft3 × 0.005262771016 = 1 st/qt
190.0139674 kilograms per cubic foot = 1 stones per quart.
stones per quart = kilograms per cubic foot × 0.0052627710157
For a page dedicated to this direction, see Kilogram per Cubic foot to Stone per Quart.
Understanding the Stone per Quart (st/qt)
Mass per volume density.
Understanding the Kilogram per Cubic foot
Kilogram per Cubic foot (kg/ft3) measures density. A mathematically valid way to express density in kilograms per cubic foot. It is classified as a mixed metric/US customary density unit.
Uses of the Kilogram per Cubic foot today
- Can be used to express the density of construction and bulk materials such as insulation, soil, or aggregate — in practice, pounds per cubic foot (US) or tons per cubic yard are the units more commonly seen in US construction references
Kilogram per Cubic foot — sources
- US construction and materials-estimating references — US construction density figures are typically given in pounds per cubic foot or tons per cubic yard rather than kilograms per cubic foot.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilograms per cubic foot are in 1 stone per quart?
1 stone per quart equals 190.0139674 kilograms per cubic foot, using the exact defined conversion factor rather than an estimate.
How do I convert stone per quart to kilogram per cubic foot?
Multiply the stone per quart value by 190.0139674. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per cubic foot back to stone per quart?
Use the reverse factor: 1 kilogram per cubic foot equals 0.005262771 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 cubic foot?
Kilogram per Cubic foot (kg/ft3) measures density. A mathematically valid way to express density in kilograms per cubic foot. It is classified as a mixed metric/US customary density unit.
Is the stone per quart to kilogram per cubic foot conversion exact?
Yes. Both stone per quart and kilogram per cubic foot are defined by fixed standards rather than physical artifacts, so the factor of 190.0139674 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.