Mass per volume density.
Grams per Liter to Kilograms per Gallon Converter — g/L to kg/gal
Convert Gram per Liter (g/L) to Kilogram per Gallon (kg/gal) using the exact conversion factor (1 gram per liter = 0.0037854118 kilogram per gallon). See the formula, worked examples, conversion table, unit comparison, and common uses.
Grams 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 1 / 264.1720524.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grams per Liter to Kilograms per Gallon
Gram 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. Gram per Liter is most often used for water-quality and environmental testing standards.
Formula
kilograms per gallon = grams per liter × 0.003785411784
This factor comes from each unit's defined relationship to the category's base unit: 1 gram per liter equals 1 base unit, and 1 kilogram per gallon equals 264.172052358 base units, so dividing one by the other gives the direct gram per liter-to-kilogram per gallon factor of 0.003785411784.
Simple example
1 g/L × 0.003785411784 = 0.0037854118 kg/gal
1 gram per liter = 0.0037854118 kilograms per gallon.
Real-world example
1,000 g/L × 0.003785411784 = 3.785411784 kg/gal
1,000 grams per liter = 3.785411784 kilograms per gallon.
Conversion table
| Gram per Liter (g/L) | Kilogram per Gallon (kg/gal) |
|---|---|
| 0.1 g/L | 0.0003785412 kg/gal |
| 1 g/L | 0.0037854118 kg/gal |
| 10 g/L | 0.0378541178 kg/gal |
| 100 g/L | 0.3785411784 kg/gal |
| 1,000 g/L | 3.785411784 kg/gal |
| 10,000 g/L | 37.85411784 kg/gal |
Reverse conversion: Kilogram per Gallon to Gram per Liter
0.0037854118 kg/gal × 264.1720524 = 1.000000004 g/L
0.0037854118 kilograms per gallon = 1.000000004 grams per liter.
grams per liter = kilograms per gallon × 264.172052358
For a page dedicated to this direction, see Kilogram per Gallon to Gram per Liter.
Gram per Liter vs. Kilogram per Gallon
| Aspect | Gram per Liter | Kilogram per Gallon |
|---|---|---|
| Family | metric derived concentration unit | mixed metric/US customary density unit |
| Typical use | Water-quality and environmental testing standards | 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 |
Understanding the Gram per Liter
Gram per Liter (g/L) measures mass concentration. One gram of a substance dissolved or dispersed per liter of total solution or mixture volume. It is classified as a metric derived concentration unit.
Where it's used: Standard unit for water-quality and laboratory concentration reporting worldwide
Uses of the Gram per Liter today
- Water-quality and environmental testing standards
- Laboratory solution preparation
- Beverage and food-industry concentration specifications
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
Gram per Liter — sources
- BIPM SI Brochure — Gram and litre as accepted units used to express mass concentration.
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 gram per liter?
1 gram per liter equals 0.0037854118 kilograms per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert gram per liter to kilogram per gallon?
Multiply the gram per liter value by 0.003785411784. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per gallon back to gram per liter?
Use the reverse factor: 1 kilogram per gallon equals 264.1720524 grams per liter. You can also use the swap control in the converter above to flip the direction instantly.
What is a gram per liter?
Gram per Liter (g/L) measures mass concentration. One gram of a substance dissolved or dispersed per liter of total solution or mixture volume. It is classified as a metric derived concentration unit.
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 gram per liter to kilogram per gallon conversion exact?
Yes. Both gram per liter and kilogram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.003785411784 used above is exact to as many digits as you choose to display.
Where is the gram per liter still used today?
Standard unit for water-quality and laboratory concentration reporting worldwide
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.