Mass per volume density.
Grain per Cubic inches to Kilograms per Quart Converter — gr/in3 to kg/qt
Convert Grain per Cubic inch (gr/in3) to Kilogram per Quart (kg/qt) using the exact conversion factor (1 grain per cubic inch = 0.0037421371 kilogram per quart). See the formula, worked examples, and conversion table.
Grain per Cubic inches 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 3.954272101 / 1056.688209.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grain per Cubic inches to Kilograms per Quart
Grain per Cubic inch 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 = grain per cubic inches × 0.0037421370525
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per cubic inch equals 3.95427210146 base units, and 1 kilogram per quart equals 1056.68820943 base units, so dividing one by the other gives the direct grain per cubic inch-to-kilogram per quart factor of 0.0037421370525.
Simple example
1 gr/in3 × 0.003742137052 = 0.0037421371 kg/qt
1 grain per cubic inch = 0.0037421371 kilograms per quart.
Real-world example
1,000 gr/in3 × 0.003742137052 = 3.742137053 kg/qt
1,000 grain per cubic inches = 3.742137053 kilograms per quart.
Conversion table
| Grain per Cubic inch (gr/in3) | Kilogram per Quart (kg/qt) |
|---|---|
| 0.1 gr/in3 | 0.0003742137 kg/qt |
| 1 gr/in3 | 0.0037421371 kg/qt |
| 10 gr/in3 | 0.0374213705 kg/qt |
| 100 gr/in3 | 0.3742137053 kg/qt |
| 1,000 gr/in3 | 3.742137053 kg/qt |
| 10,000 gr/in3 | 37.42137053 kg/qt |
Reverse conversion: Kilogram per Quart to Grain per Cubic inch
0.0037421371 kg/qt × 267.2269845 = 1.000000013 gr/in3
0.0037421371 kilograms per quart = 1.000000013 grain per cubic inches.
grain per cubic inches = kilograms per quart × 267.226984467
For a page dedicated to this direction, see Kilogram per Quart to Grain per Cubic inch.
Understanding the Grain per Cubic inch (gr/in3)
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 grain per cubic inch?
1 grain per cubic inch equals 0.0037421371 kilograms per quart, using the exact defined conversion factor rather than an estimate.
How do I convert grain per cubic inch to kilogram per quart?
Multiply the grain per cubic inch value by 0.003742137052. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per quart back to grain per cubic inch?
Use the reverse factor: 1 kilogram per quart equals 267.2269845 grain per cubic inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per cubic inch?
Grain per Cubic inch (gr/in3) is a unit of density.
What is a kilogram per quart?
Kilogram per Quart (kg/qt) is a unit of density.
Is the grain per cubic inch to kilogram per quart conversion exact?
Yes. Both grain per cubic inch and kilogram per quart are defined by fixed standards rather than physical artifacts, so the factor of 0.003742137052 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.