Mass per volume density.
Grams per Liter to Pounds per Gallon Converter — g/L to lb/gal
Convert Gram per Liter (g/L) to Pound per Gallon (lb/gal) using the exact conversion factor (1 gram per liter = 0.0083454045 pound per gallon). See the formula, worked examples, conversion table, unit comparison, and common uses.
Grams per Liter to Pounds 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 / 119.8264273.
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 Pounds per Gallon
Gram per Liter and Pound 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 typically associated with standard unit for water-quality and laboratory concentration reporting worldwide, while Pound per Gallon is typically associated with united States (paint, fuel, and industrial liquid density specifications).
Formula
pounds per gallon = grams per liter × 0.00834540445202
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 pound per gallon equals 119.826427317 base units, so dividing one by the other gives the direct gram per liter-to-pound per gallon factor of 0.00834540445202.
Simple example
1 g/L × 0.008345404452 = 0.0083454045 lb/gal
1 gram per liter = 0.0083454045 pounds per gallon.
Real-world example
1,000 g/L × 0.008345404452 = 8.345404452 lb/gal
1,000 grams per liter = 8.345404452 pounds per gallon.
Conversion table
| Gram per Liter (g/L) | Pound per Gallon (lb/gal) |
|---|---|
| 0.1 g/L | 0.0008345404 lb/gal |
| 1 g/L | 0.0083454045 lb/gal |
| 10 g/L | 0.0834540445 lb/gal |
| 100 g/L | 0.8345404452 lb/gal |
| 1,000 g/L | 8.345404452 lb/gal |
| 10,000 g/L | 83.45404452 lb/gal |
Reverse conversion: Pound per Gallon to Gram per Liter
0.0083454045 lb/gal × 119.8264273 = 1.000000006 g/L
0.0083454045 pounds per gallon = 1.000000006 grams per liter.
grams per liter = pounds per gallon × 119.826427317
For a page dedicated to this direction, see Pound per Gallon to Gram per Liter.
Gram per Liter vs. Pound per Gallon
| Aspect | Gram per Liter | Pound per Gallon |
|---|---|---|
| Family | metric derived concentration unit | US customary density unit |
| Typical use | Water-quality and environmental testing standards | US paint and coatings density specifications |
| Where it's used | Standard unit for water-quality and laboratory concentration reporting worldwide | United States (paint, fuel, and industrial liquid density specifications) |
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 Pound per Gallon
Pound per Gallon (lb/gal) measures density. The US customary unit for liquid density, based on the US gallon (231 cubic inches). It is classified as a US customary density unit.
Where it's used: United States (paint, fuel, and industrial liquid density specifications)
lb/gal vs. lb/ft³. Both are US customary density units; they're related through the real, fixed relationship between the US gallon and the cubic foot (1 cubic foot ≈ 7.48 US gallons), not a round conversion factor.
Uses of the Pound per Gallon today
- US paint and coatings density specifications
- US fuel and petroleum liquid density specs
- Industrial liquid handling and shipping weight calculations
Gram per Liter — sources
- BIPM SI Brochure — Gram and litre as accepted units used to express mass concentration.
Pound per Gallon — sources
- NIST Handbook 44 — General tables of units including US customary density measures.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per gallon are in 1 gram per liter?
1 gram per liter equals 0.0083454045 pounds per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert gram per liter to pound per gallon?
Multiply the gram per liter value by 0.008345404452. The converter above does this instantly to whatever precision you set.
How do I convert pound per gallon back to gram per liter?
Use the reverse factor: 1 pound per gallon equals 119.8264273 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 pound per gallon?
Pound per Gallon (lb/gal) measures density. The US customary unit for liquid density, based on the US gallon (231 cubic inches). It is classified as a US customary density unit.
Is the gram per liter to pound per gallon conversion exact?
Yes. Both gram per liter and pound per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.008345404452 used above is exact to as many digits as you choose to display.
What is the difference between lb/gal vs. lb/ft³?
Both are US customary density units; they're related through the real, fixed relationship between the US gallon and the cubic foot (1 cubic foot ≈ 7.48 US gallons), not a round conversion factor.
Where is the gram per liter still used today?
Standard unit for water-quality and laboratory concentration reporting worldwide