Mass per volume density.
Pounds per Quart to Kilogram per Cubic inches Converter — lb/qt to kg/in3
Convert Pound per Quart (lb/qt) to Kilogram per Cubic inch (kg/in3) using the exact conversion factor (1 pound per quart = 0.0078544133 kilogram per cubic inch). See the formula, worked examples, and conversion table.
Pounds per Quart to Kilogram per Cubic inches 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 / 61023.74409.
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 Kilogram per Cubic inches
Pound per Quart and Kilogram per Cubic inch 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
kilogram per cubic inches = pounds per quart × 0.00785441333333
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 cubic inch equals 61023.7440947 base units, so dividing one by the other gives the direct pound per quart-to-kilogram per cubic inch factor of 0.00785441333333.
Simple example
1 lb/qt × 0.007854413333 = 0.0078544133 kg/in3
1 pound per quart = 0.0078544133 kilogram per cubic inches.
Real-world example
1,000 lb/qt × 0.007854413333 = 7.854413333 kg/in3
1,000 pounds per quart = 7.854413333 kilogram per cubic inches.
Conversion table
| Pound per Quart (lb/qt) | Kilogram per Cubic inch (kg/in3) |
|---|---|
| 0.1 lb/qt | 0.0007854413 kg/in3 |
| 1 lb/qt | 0.0078544133 kg/in3 |
| 10 lb/qt | 0.0785441333 kg/in3 |
| 100 lb/qt | 0.7854413333 kg/in3 |
| 1,000 lb/qt | 7.854413333 kg/in3 |
| 10,000 lb/qt | 78.54413333 kg/in3 |
Reverse conversion: Kilogram per Cubic inch to Pound per Quart
0.0078544133 kg/in3 × 127.3169564 = 0.9999999958 lb/qt
0.0078544133 kilogram per cubic inches = 0.9999999958 pounds per quart.
pounds per quart = kilogram per cubic inches × 127.316956412
For a page dedicated to this direction, see Kilogram per Cubic inch to Pound per Quart.
Understanding the Pound per Quart (lb/qt)
Mass per volume density.
Understanding the Kilogram per Cubic inch (kg/in3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilogram per cubic inches are in 1 pound per quart?
1 pound per quart equals 0.0078544133 kilogram per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert pound per quart to kilogram per cubic inch?
Multiply the pound per quart value by 0.007854413333. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per cubic inch back to pound per quart?
Use the reverse factor: 1 kilogram per cubic inch equals 127.3169564 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 cubic inch?
Kilogram per Cubic inch (kg/in3) is a unit of density.
Is the pound per quart to kilogram per cubic inch conversion exact?
Yes. Both pound per quart and kilogram per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 0.007854413333 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.