Mass concentration.
Ounces per Fluid ounce to Grams per Gallon Converter — oz/fl oz to g/gal
Convert Ounce per Fluid ounce (oz/fl oz) to Gram per Gallon (g/gal) using the exact conversion factor (1 ounce per fluid ounce = 3,628.73896 gram per gallon). See the formula, worked examples, and conversion table.
Ounces per Fluid ounce to Grams per Gallon converter
Converter
Chemistry Converter
Convert concentration, molarity, amount, and laboratory scientific units by compatible family.
Context values
Some unit families need one extra value for a physically accurate result.
Mass concentration.
Result = input x 958.6114185 / 0.2641720524.
Mass Concentration units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Fluid ounce to Grams per Gallon
Ounce per Fluid ounce and Gram per Gallon both measure mass concentration — how much of a substance is dissolved or dispersed in a given volume — a core calculation for preparing lab solutions, checking water quality against a regulatory limit, or formulating a pharmaceutical dose. Both are mass concentration units.
Formula
grams per gallon = ounces per fluid ounce × 3628.73896
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per fluid ounce equals 958.611418535 base units, and 1 gram per gallon equals 0.264172052358 base units, so dividing one by the other gives the direct ounce per fluid ounce-to-gram per gallon factor of 3628.73896.
Simple example
1 oz/fl oz × 3628.73896 = 3,628.73896 g/gal
1 ounce per fluid ounce = 3,628.73896 grams per gallon.
Real-world example
100 oz/fl oz × 3628.73896 = 362,873.896 g/gal
100 ounces per fluid ounce = 362,873.896 grams per gallon.
Conversion table
| Ounce per Fluid ounce (oz/fl oz) | Gram per Gallon (g/gal) |
|---|---|
| 0.001 oz/fl oz | 3.62873896 g/gal |
| 0.01 oz/fl oz | 36.2873896 g/gal |
| 0.1 oz/fl oz | 362.873896 g/gal |
| 1 oz/fl oz | 3,628.73896 g/gal |
| 10 oz/fl oz | 36,287.3896 g/gal |
| 100 oz/fl oz | 362,873.896 g/gal |
Reverse conversion: Gram per Gallon to Ounce per Fluid ounce
1 g/gal × 0.0002755778277 = 0.0002755778 oz/fl oz
1 gram per gallon = 0.0002755778 ounces per fluid ounce.
ounces per fluid ounce = grams per gallon × 0.000275577827731
For a page dedicated to this direction, see Gram per Gallon to Ounce per Fluid ounce.
Understanding the Ounce per Fluid ounce (oz/fl oz)
Mass concentration.
Understanding the Gram per Gallon (g/gal)
Mass concentration.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grams per gallon are in 1 ounce per fluid ounce?
1 ounce per fluid ounce equals 3,628.73896 grams per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per fluid ounce to gram per gallon?
Multiply the ounce per fluid ounce value by 3628.73896. The converter above does this instantly to whatever precision you set.
How do I convert gram per gallon back to ounce per fluid ounce?
Use the reverse factor: 1 gram per gallon equals 0.0002755778 ounces per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per fluid ounce?
Ounce per Fluid ounce (oz/fl oz) is a unit of chemistry.
What is a gram per gallon?
Gram per Gallon (g/gal) is a unit of chemistry.
Is the ounce per fluid ounce to gram per gallon conversion exact?
Yes. Both ounce per fluid ounce and gram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 3628.73896 used above is exact to as many digits as you choose to display.
What's the difference between mass concentration and molarity?
Mass concentration expresses how much mass of a substance is present per unit volume (for example, grams per liter). Molarity expresses the amount in moles per liter instead, which accounts for the substance's molecular weight. This category converts mass-concentration units.