Gallons to Grams Conversion
Convert volume to mass with precision. Density-dependent conversion for various substances.
Volume to Mass Converter
Pure water at room temperature
Common Substance Densities
| Substance | Density (g/gal) | 1 Gallon Mass (g) | Description |
|---|---|---|---|
| Water | 3,785.41 | 3,785.41 | Pure water at room temperature |
| Milk (whole) | 3,899 | 3,899 | Whole milk |
| Milk (skim) | 3,796 | 3,796 | Skim milk |
| Gasoline | 2,721 | 2,721 | Regular gasoline |
| Diesel fuel | 3,175 | 3,175 | Diesel fuel |
| Olive oil | 3,472 | 3,472 | Extra virgin olive oil |
| Vegetable oil | 3,472 | 3,472 | Generic vegetable oil |
| Honey | 5,364 | 5,364 | Natural honey |
Density Unit Conversion Factors
| From Unit | Conversion Factor | Description |
|---|---|---|
| kg/m³ to g/gal | × 3.785 | Multiply kg/m³ by 3.78541 |
| g/cm³ to g/gal | × 3,785.41 | Multiply g/cm³ by 3,785.41 |
| g/mL to g/gal | × 3,785.41 | Multiply g/mL by 3,785.41 |
| lb/in³ to g/gal | × 1,04,780 | Multiply lb/in³ by 104,780 |
| lb/gal to g/gal | × 453.592 | Multiply lb/gal by 453.592 |
Quick Reference
Water
3,785.4 g/gal
Standard reference
Milk
3,899 g/gal
Whole milk
Conversion Formula
Mass = Density × Volume
Gallons to Grams
Volume = Mass ÷ Density
Grams to Gallons
Usage Tips
Conversion depends on substance density
Perfect for chemistry and cooking calculations
Use custom density for specific substances
Temperature affects density values
Understanding Gallons to Grams Conversion
Density-Dependent Conversion
Unlike simple unit conversions, converting gallons to grams requires knowing the density of the substance. This is because we're converting from volume (gallons) to mass (grams), which depends on how much matter is packed into a given volume.
Basic Formula
The fundamental formula is: Mass = Density × Volume. When density is expressed in grams per gallon (g/gal), multiplying by the volume in gallons gives the mass in grams.
Common Examples
1 gallon of water:
1 × 3,785.4 = 3,785.4 g
1 gallon of milk:
1 × 3,899 = 3,899 g
500g of water to gallons:
500 ÷ 3,785.4 = 0.132 gal
Practical Applications
Chemistry & Labs
Calculate reactant masses from solution volumes
Cooking & Baking
Convert liquid ingredients between volume and weight
Industrial Processes
Calculate material requirements for manufacturing
Important Notes
• Density varies with temperature
• Different substances have vastly different densities
• Always specify the substance being converted
• Use accurate density values for precision
• Consider temperature and pressure effects
• Verify units match (US gallons vs Imperial gallons)