Mass per volume density.
Kilogram per Cubic inches to Pounds per Quart Converter — kg/in3 to lb/qt
Convert Kilogram per Cubic inch (kg/in3) to Pound per Quart (lb/qt) using the exact conversion factor (1 kilogram per cubic inch = 127.3169564 pound per quart). See the formula, worked examples, and conversion table.
Kilogram per Cubic inches 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 61023.74409 / 479.3057093.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Kilogram per Cubic inches to Pounds per Quart
Kilogram per Cubic inch 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 = kilogram per cubic inches × 127.316956412
This factor comes from each unit's defined relationship to the category's base unit: 1 kilogram per cubic inch equals 61023.7440947 base units, and 1 pound per quart equals 479.305709268 base units, so dividing one by the other gives the direct kilogram per cubic inch-to-pound per quart factor of 127.316956412.
Simple example
1 kg/in3 × 127.3169564 = 127.3169564 lb/qt
1 kilogram per cubic inch = 127.3169564 pounds per quart.
Real-world example
1,000 kg/in3 × 127.3169564 = 127,316.9564 lb/qt
1,000 kilogram per cubic inches = 127,316.9564 pounds per quart.
Conversion table
| Kilogram per Cubic inch (kg/in3) | Pound per Quart (lb/qt) |
|---|---|
| 0.1 kg/in3 | 12.73169564 lb/qt |
| 1 kg/in3 | 127.3169564 lb/qt |
| 10 kg/in3 | 1,273.169564 lb/qt |
| 100 kg/in3 | 12,731.69564 lb/qt |
| 1,000 kg/in3 | 127,316.9564 lb/qt |
| 10,000 kg/in3 | 1,273,169.564 lb/qt |
Reverse conversion: Pound per Quart to Kilogram per Cubic inch
127.3169564 lb/qt × 0.007854413333 = 0.9999999999 kg/in3
127.3169564 pounds per quart = 0.9999999999 kilogram per cubic inches.
kilogram per cubic inches = pounds per quart × 0.00785441333333
For a page dedicated to this direction, see Pound per Quart to Kilogram per Cubic inch.
Understanding the Kilogram per Cubic inch (kg/in3)
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 kilogram per cubic inch?
1 kilogram per cubic inch equals 127.3169564 pounds per quart, using the exact defined conversion factor rather than an estimate.
How do I convert kilogram per cubic inch to pound per quart?
Multiply the kilogram per cubic inch value by 127.3169564. The converter above does this instantly to whatever precision you set.
How do I convert pound per quart back to kilogram per cubic inch?
Use the reverse factor: 1 pound per quart equals 0.0078544133 kilogram per cubic inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a kilogram per cubic inch?
Kilogram per Cubic inch (kg/in3) is a unit of density.
What is a pound per quart?
Pound per Quart (lb/qt) is a unit of density.
Is the kilogram per cubic inch to pound per quart conversion exact?
Yes. Both kilogram per cubic inch and pound per quart are defined by fixed standards rather than physical artifacts, so the factor of 127.3169564 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.