Mass per volume density.
Grams per Milliliter to Pounds per Gallon Converter — g/mL to lb/gal
Convert Gram per Milliliter (g/mL) to Pound per Gallon (lb/gal) using the exact conversion factor (1 gram per milliliter = 8.345404452 pound per gallon). See the formula, worked examples, conversion table, unit comparison, and common uses.
Grams per Milliliter 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 1000 / 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 Milliliter to Pounds per Gallon
Gram per Milliliter 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 Milliliter is typically associated with widely used in chemistry education and laboratory settings internationally, while Pound per Gallon is typically associated with united States (paint, fuel, and industrial liquid density specifications).
Formula
pounds per gallon = grams per milliliter × 8.34540445202
This factor comes from each unit's defined relationship to the category's base unit: 1 gram per milliliter equals 1000 base units, and 1 pound per gallon equals 119.826427317 base units, so dividing one by the other gives the direct gram per milliliter-to-pound per gallon factor of 8.34540445202.
Simple example
1 g/mL × 8.345404452 = 8.345404452 lb/gal
1 gram per milliliter = 8.345404452 pounds per gallon.
Real-world example
1,000 g/mL × 8.345404452 = 8,345.404452 lb/gal
1,000 grams per milliliter = 8,345.404452 pounds per gallon.
Conversion table
| Gram per Milliliter (g/mL) | Pound per Gallon (lb/gal) |
|---|---|
| 0.1 g/mL | 0.8345404452 lb/gal |
| 1 g/mL | 8.345404452 lb/gal |
| 10 g/mL | 83.45404452 lb/gal |
| 100 g/mL | 834.5404452 lb/gal |
| 1,000 g/mL | 8,345.404452 lb/gal |
| 10,000 g/mL | 83,454.04452 lb/gal |
Reverse conversion: Pound per Gallon to Gram per Milliliter
8.345404452 lb/gal × 0.1198264273 = 1 g/mL
8.345404452 pounds per gallon = 1 grams per milliliter.
grams per milliliter = pounds per gallon × 0.119826427317
For a page dedicated to this direction, see Pound per Gallon to Gram per Milliliter.
Gram per Milliliter vs. Pound per Gallon
| Aspect | Gram per Milliliter | Pound per Gallon |
|---|---|---|
| Family | metric derived density unit | US customary density unit |
| Typical use | Commonly used in chemistry coursework and laboratory reporting to express the density of liquids and solutions | US paint and coatings density specifications |
| Where it's used | Widely used in chemistry education and laboratory settings internationally | United States (paint, fuel, and industrial liquid density specifications) |
Understanding the Gram per Milliliter
Gram per Milliliter (g/mL) measures density. Numerically identical to grams per cubic centimeter and to kilograms per liter, since one milliliter equals one cubic centimeter exactly. It is classified as a metric derived density unit.
Where it's used: Widely used in chemistry education and laboratory settings internationally
Uses of the Gram per Milliliter today
- Commonly used in chemistry coursework and laboratory reporting to express the density of liquids and solutions
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 Milliliter — sources
- BIPM SI Brochure — Gram and milliliter as accepted units for expressing density.
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 milliliter?
1 gram per milliliter equals 8.345404452 pounds per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert gram per milliliter to pound per gallon?
Multiply the gram per milliliter value by 8.345404452. The converter above does this instantly to whatever precision you set.
How do I convert pound per gallon back to gram per milliliter?
Use the reverse factor: 1 pound per gallon equals 0.1198264273 grams per milliliter. You can also use the swap control in the converter above to flip the direction instantly.
What is a gram per milliliter?
Gram per Milliliter (g/mL) measures density. Numerically identical to grams per cubic centimeter and to kilograms per liter, since one milliliter equals one cubic centimeter exactly. It is classified as a metric derived density 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 milliliter to pound per gallon conversion exact?
Yes. Numerically identical to grams per cubic centimeter and to kilograms per liter, since one milliliter equals one cubic centimeter exactly. That fixed definition is what the converter above uses, so any rounding you see is a display choice, not a limitation of the math.
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 milliliter still used today?
Widely used in chemistry education and laboratory settings internationally