Mass per volume density.
Slugs per Liter to Kilograms per Gallon Converter — slug/L to kg/gal
Convert Slug per Liter (slug/L) to Kilogram per Gallon (kg/gal) using the exact conversion factor (1 slug per liter = 55.24393215 kilogram per gallon). See the formula, worked examples, conversion table, and common uses.
Slugs per Liter to Kilograms 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 14593.90294 / 264.1720524.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Slugs per Liter to Kilograms per Gallon
Slug per Liter and Kilogram 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
kilograms per gallon = slugs per liter × 55.243932153
This factor comes from each unit's defined relationship to the category's base unit: 1 slug per liter equals 14593.9029372 base units, and 1 kilogram per gallon equals 264.172052358 base units, so dividing one by the other gives the direct slug per liter-to-kilogram per gallon factor of 55.243932153.
Simple example
1 slug/L × 55.24393215 = 55.24393215 kg/gal
1 slug per liter = 55.24393215 kilograms per gallon.
Real-world example
1,000 slug/L × 55.24393215 = 55,243.93215 kg/gal
1,000 slugs per liter = 55,243.93215 kilograms per gallon.
Conversion table
| Slug per Liter (slug/L) | Kilogram per Gallon (kg/gal) |
|---|---|
| 0.1 slug/L | 5.524393215 kg/gal |
| 1 slug/L | 55.24393215 kg/gal |
| 10 slug/L | 552.4393215 kg/gal |
| 100 slug/L | 5,524.393215 kg/gal |
| 1,000 slug/L | 55,243.93215 kg/gal |
| 10,000 slug/L | 552,439.3215 kg/gal |
Reverse conversion: Kilogram per Gallon to Slug per Liter
55.24393215 kg/gal × 0.01810153552 = 0.9999999999 slug/L
55.24393215 kilograms per gallon = 0.9999999999 slugs per liter.
slugs per liter = kilograms per gallon × 0.0181015355176
For a page dedicated to this direction, see Kilogram per Gallon to Slug per Liter.
Understanding the Slug per Liter (slug/L)
Mass per volume density.
Understanding the Kilogram per Gallon
Kilogram per Gallon (kg/gal) measures density. A mathematically valid way to express liquid density in kilograms per US gallon. It is classified as a mixed metric/US customary density unit.
Uses of the Kilogram per Gallon today
- Can be used to express liquid density such as fuel or industrial liquids in kilograms per gallon — in practice, kilograms per liter (metric) and pounds per gallon (US customary) are the specific pairings more commonly seen in fuel and liquid-density references
Kilogram per Gallon — sources
- Fuel and petroleum liquid-density references — Liquid density figures for fuels are typically reported in kg/L, kg/m³, or lb/gal rather than kg/gal.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilograms per gallon are in 1 slug per liter?
1 slug per liter equals 55.24393215 kilograms per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert slug per liter to kilogram per gallon?
Multiply the slug per liter value by 55.24393215. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per gallon back to slug per liter?
Use the reverse factor: 1 kilogram per gallon equals 0.0181015355 slugs per liter. You can also use the swap control in the converter above to flip the direction instantly.
What is a slug per liter?
Slug per Liter (slug/L) is a unit of density.
What is a kilogram per gallon?
Kilogram per Gallon (kg/gal) measures density. A mathematically valid way to express liquid density in kilograms per US gallon. It is classified as a mixed metric/US customary density unit.
Is the slug per liter to kilogram per gallon conversion exact?
Yes. Both slug per liter and kilogram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 55.24393215 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.