Mass per volume density.
Pounds per Gallon to Grams per Milliliter Converter — lb/gal to g/mL
Convert Pound per Gallon (lb/gal) to Gram per Milliliter (g/mL) using the exact conversion factor (1 pound per gallon = 0.1198264273 gram per milliliter). See the formula, worked examples, conversion table, unit comparison, and common uses.
Pounds per Gallon to Grams per Milliliter 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 119.8264273 / 1000.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Gallon to Grams per Milliliter
Pound per Gallon and Gram per Milliliter 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. Pound per Gallon is typically associated with united States (paint, fuel, and industrial liquid density specifications), while Gram per Milliliter is typically associated with widely used in chemistry education and laboratory settings internationally.
Formula
grams per milliliter = pounds per gallon × 0.119826427317
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per gallon equals 119.826427317 base units, and 1 gram per milliliter equals 1000 base units, so dividing one by the other gives the direct pound per gallon-to-gram per milliliter factor of 0.119826427317.
Simple example
1 lb/gal × 0.1198264273 = 0.1198264273 g/mL
1 pound per gallon = 0.1198264273 grams per milliliter.
Real-world example
1,000 lb/gal × 0.1198264273 = 119.8264273 g/mL
1,000 pounds per gallon = 119.8264273 grams per milliliter.
Conversion table
| Pound per Gallon (lb/gal) | Gram per Milliliter (g/mL) |
|---|---|
| 0.1 lb/gal | 0.0119826427 g/mL |
| 1 lb/gal | 0.1198264273 g/mL |
| 10 lb/gal | 1.198264273 g/mL |
| 100 lb/gal | 11.98264273 g/mL |
| 1,000 lb/gal | 119.8264273 g/mL |
| 10,000 lb/gal | 1,198.264273 g/mL |
Reverse conversion: Gram per Milliliter to Pound per Gallon
0.1198264273 g/mL × 8.345404452 = 0.9999999999 lb/gal
0.1198264273 grams per milliliter = 0.9999999999 pounds per gallon.
pounds per gallon = grams per milliliter × 8.34540445202
For a page dedicated to this direction, see Gram per Milliliter to Pound per Gallon.
Pound per Gallon vs. Gram per Milliliter
| Aspect | Pound per Gallon | Gram per Milliliter |
|---|---|---|
| Family | US customary density unit | metric derived density unit |
| Typical use | US paint and coatings density specifications | Commonly used in chemistry coursework and laboratory reporting to express the density of liquids and solutions |
| Where it's used | United States (paint, fuel, and industrial liquid density specifications) | Widely used in chemistry education and laboratory settings internationally |
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
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
Pound per Gallon — sources
- NIST Handbook 44 — General tables of units including US customary density measures.
Gram per Milliliter — sources
- BIPM SI Brochure — Gram and milliliter as accepted units for expressing density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grams per milliliter are in 1 pound per gallon?
1 pound per gallon equals 0.1198264273 grams per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert pound per gallon to gram per milliliter?
Multiply the pound per gallon value by 0.1198264273. The converter above does this instantly to whatever precision you set.
How do I convert gram per milliliter back to pound per gallon?
Use the reverse factor: 1 gram per milliliter equals 8.345404452 pounds per gallon. You can also use the swap control in the converter above to flip the direction instantly.
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.
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.
Is the pound per gallon to gram per milliliter 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 pound per gallon still used today?
United States (paint, fuel, and industrial liquid density specifications)