Mass per volume density.
Pounds per Quart to Kilograms per Quart Converter — lb/qt to kg/qt
Convert Pound per Quart (lb/qt) to Kilogram per Quart (kg/qt) using the exact conversion factor (1 pound per quart = 0.45359237 kilogram per quart). See the formula, worked examples, and conversion table.
Pounds per Quart to Kilograms 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 479.3057093 / 1056.688209.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Quart to Kilograms per Quart
Pound per Quart and Kilogram 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
kilograms per quart = pounds per quart × 0.45359237
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per quart equals 479.305709268 base units, and 1 kilogram per quart equals 1056.68820943 base units, so dividing one by the other gives the direct pound per quart-to-kilogram per quart factor of 0.45359237.
Simple example
1 lb/qt × 0.45359237 = 0.45359237 kg/qt
1 pound per quart = 0.45359237 kilograms per quart.
Real-world example
1,000 lb/qt × 0.45359237 = 453.59237 kg/qt
1,000 pounds per quart = 453.59237 kilograms per quart.
Conversion table
| Pound per Quart (lb/qt) | Kilogram per Quart (kg/qt) |
|---|---|
| 0.1 lb/qt | 0.045359237 kg/qt |
| 1 lb/qt | 0.45359237 kg/qt |
| 10 lb/qt | 4.5359237 kg/qt |
| 100 lb/qt | 45.359237 kg/qt |
| 1,000 lb/qt | 453.59237 kg/qt |
| 10,000 lb/qt | 4,535.9237 kg/qt |
Reverse conversion: Kilogram per Quart to Pound per Quart
0.45359237 kg/qt × 2.204622622 = 1 lb/qt
0.45359237 kilograms per quart = 1 pound per quart.
pounds per quart = kilograms per quart × 2.20462262185
For a page dedicated to this direction, see Kilogram per Quart to Pound per Quart.
Understanding the Pound per Quart (lb/qt)
Mass per volume density.
Understanding the Kilogram per Quart (kg/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilograms per quart are in 1 pound per quart?
1 pound per quart equals 0.45359237 kilograms per quart, using the exact defined conversion factor rather than an estimate.
How do I convert pound per quart to kilogram per quart?
Multiply the pound per quart value by 0.45359237. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per quart back to pound per quart?
Use the reverse factor: 1 kilogram per quart equals 2.204622622 pounds per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per quart?
Pound per Quart (lb/qt) is a unit of density.
What is a kilogram per quart?
Kilogram per Quart (kg/qt) is a unit of density.
Is the pound per quart to kilogram per quart conversion exact?
Yes. Both pound per quart and kilogram per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.45359237 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.