Pound per Gallon (lb/gal)
The pound per US gallon (lb/gal, ppg) is about 119.83 kg/m³. Water weighs about 8.34 lb/gal.
Symbol: lb/gal
Quantity: density (mass per unit volume) and mass concentration
SI relation: 1 lb/gal = 119.8264273169 kg/m³ (exact)
Derivation: 1 lb/gal = 0.45359237 kg ÷ 0.003785411784 m³ = 119.8264273 kg/m³
Exact: yes, by definition
Reference conditions. Per US gallon (231 in³).
Typical uses
- Drilling-mud weight in the oil and gas industry (ppg)
- Paints, coatings and chemicals
- Fuel weight (Jet A ≈ 6.7 lb/gal)
Convert pounds per gallon to other units
| Conversion | 1 lb/gal equals | Reverse |
|---|---|---|
| pound per gallon to kilogram per cubic meter | 119.8264273 kg/m³ | kilogram per cubic meter to pound per gallon |
| pound per gallon to gram per cubic centimeter | 0.1198264273 g/cm³ | gram per cubic centimeter to pound per gallon |
| pound per gallon to milligram per liter | 119826.4273 mg/L | milligram per liter to pound per gallon |
| pound per gallon to pound per cubic foot | 7.480519481 lb/ft³ | pound per cubic foot to pound per gallon |
| pound per gallon to kilogram per liter | 0.1198264273 kg/L | kilogram per liter to pound per gallon |
| pound per gallon to gram per liter | 119.8264273 g/L | gram per liter to pound per gallon |
| pound per gallon to pound per cubic inch | 0.004329004329 lb/in³ | pound per cubic inch to pound per gallon |
Open the Density Converter to convert any value between all units.
Sources
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "pound per gallon (U.S.)".
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Pound per Gallon (lb/gal). Retrieved October 17, 2026, from https://scientificconverters.com/units/pound-per-gallon/
IEEE
Scientific Converters, "Pound per Gallon (lb/gal)," scientificconverters.com. Accessed: Oct. 17, 2026. [Online]. Available: https://scientificconverters.com/units/pound-per-gallon/