How it's calculated
gal = kg ÷ ρ ÷ 3.78541
kg = mass, ρ = density in kg/L (= g/mL), 3.78541 = litres per US gallon. Reverse with kg = gal × 3.78541 × ρ.
Common values
| Substance | Gallons per kg |
|---|---|
| Water | 0.2642 gal |
| Gasoline | 0.3534 gal |
| Honey | 0.1860 gal |
Common questions
Why does gasoline give more gallons per kg than water?
Gasoline is less dense than water, so a kilogram of it takes up more volume.
Is this the US or imperial gallon?
These figures use the US gallon of 3.78541 liters.