Mass per volume density.
Kilograms per Quart to Slugs per Gallon Converter — kg/qt to slug/gal
Convert Kilogram per Quart (kg/qt) to Slug per Gallon (slug/gal) using the exact conversion factor (1 kilogram per quart = 0.2740870634 slug per gallon). See the formula, worked examples, and conversion table.
Kilograms per Quart to Slugs per Gallon 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 1056.688209 / 3855.301291.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Kilograms per Quart to Slugs per Gallon
Kilogram per Quart and Slug per Gallon 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
slugs per gallon = kilograms per quart × 0.274087063427
This factor comes from each unit's defined relationship to the category's base unit: 1 kilogram per quart equals 1056.68820943 base units, and 1 slug per gallon equals 3855.30129084 base units, so dividing one by the other gives the direct kilogram per quart-to-slug per gallon factor of 0.274087063427.
Simple example
1 kg/qt × 0.2740870634 = 0.2740870634 slug/gal
1 kilogram per quart = 0.2740870634 slugs per gallon.
Real-world example
1,000 kg/qt × 0.2740870634 = 274.0870634 slug/gal
1,000 kilograms per quart = 274.0870634 slugs per gallon.
Conversion table
| Kilogram per Quart (kg/qt) | Slug per Gallon (slug/gal) |
|---|---|
| 0.1 kg/qt | 0.0274087063 slug/gal |
| 1 kg/qt | 0.2740870634 slug/gal |
| 10 kg/qt | 2.740870634 slug/gal |
| 100 kg/qt | 27.40870634 slug/gal |
| 1,000 kg/qt | 274.0870634 slug/gal |
| 10,000 kg/qt | 2,740.870634 slug/gal |
Reverse conversion: Slug per Gallon to Kilogram per Quart
0.2740870634 slug/gal × 3.648475734 = 0.9999999999 kg/qt
0.2740870634 slugs per gallon = 0.9999999999 kilograms per quart.
kilograms per quart = slugs per gallon × 3.6484757343
For a page dedicated to this direction, see Slug per Gallon to Kilogram per Quart.
Understanding the Kilogram per Quart (kg/qt)
Mass per volume density.
Understanding the Slug per Gallon (slug/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slugs per gallon are in 1 kilogram per quart?
1 kilogram per quart equals 0.2740870634 slugs per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert kilogram per quart to slug per gallon?
Multiply the kilogram per quart value by 0.2740870634. The converter above does this instantly to whatever precision you set.
How do I convert slug per gallon back to kilogram per quart?
Use the reverse factor: 1 slug per gallon equals 3.648475734 kilograms per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a kilogram per quart?
Kilogram per Quart (kg/qt) is a unit of density.
What is a slug per gallon?
Slug per Gallon (slug/gal) is a unit of density.
Is the kilogram per quart to slug per gallon conversion exact?
Yes. Both kilogram per quart and slug per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.2740870634 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.