Mass concentration.
Grams per Gallon to Ounces per Fluid ounce Converter — g/gal to oz/fl oz
Convert Gram per Gallon (g/gal) to Ounce per Fluid ounce (oz/fl oz) using the exact conversion factor (1 gram per gallon = 0.0002755778 ounce per fluid ounce). See the formula, worked examples, and conversion table.
Grams per Gallon to Ounces per Fluid ounce 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 0.2641720524 / 958.6114185.
Mass Concentration units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Grams per Gallon to Ounces per Fluid ounce
Gram per Gallon and Ounce per Fluid ounce 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
ounces per fluid ounce = grams per gallon × 0.000275577827731
This factor comes from each unit's defined relationship to the category's base unit: 1 gram per gallon equals 0.264172052358 base units, and 1 ounce per fluid ounce equals 958.611418535 base units, so dividing one by the other gives the direct gram per gallon-to-ounce per fluid ounce factor of 0.000275577827731.
Simple example
1 g/gal × 0.0002755778277 = 0.0002755778 oz/fl oz
1 gram per gallon = 0.0002755778 ounces per fluid ounce.
Real-world example
100 g/gal × 0.0002755778277 = 0.0275577828 oz/fl oz
100 grams per gallon = 0.0275577828 ounces per fluid ounce.
Conversion table
| Gram per Gallon (g/gal) | Ounce per Fluid ounce (oz/fl oz) |
|---|---|
| 0.001 g/gal | 2.755778e-7 oz/fl oz |
| 0.01 g/gal | 0.0000027558 oz/fl oz |
| 0.1 g/gal | 0.0000275578 oz/fl oz |
| 1 g/gal | 0.0002755778 oz/fl oz |
| 10 g/gal | 0.0027557783 oz/fl oz |
| 100 g/gal | 0.0275577828 oz/fl oz |
Reverse conversion: Ounce per Fluid ounce to Gram per Gallon
0.0002755778 oz/fl oz × 3628.73896 = 0.9999998994 g/gal
0.0002755778 ounces per fluid ounce = 0.9999998994 grams per gallon.
grams per gallon = ounces per fluid ounce × 3628.73896
For a page dedicated to this direction, see Ounce per Fluid ounce to Gram per Gallon.
Understanding the Gram per Gallon (g/gal)
Mass concentration.
Understanding the Ounce per Fluid ounce (oz/fl oz)
Mass concentration.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ounces per fluid ounce are in 1 gram per gallon?
1 gram per gallon equals 0.0002755778 ounces per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert gram per gallon to ounce per fluid ounce?
Multiply the gram per gallon value by 0.0002755778277. The converter above does this instantly to whatever precision you set.
How do I convert ounce per fluid ounce back to gram per gallon?
Use the reverse factor: 1 ounce per fluid ounce equals 3,628.73896 grams per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a gram per gallon?
Gram per Gallon (g/gal) is a unit of chemistry.
What is a ounce per fluid ounce?
Ounce per Fluid ounce (oz/fl oz) is a unit of chemistry.
Is the gram per gallon to ounce per fluid ounce conversion exact?
Yes. Both gram per gallon and ounce per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 0.0002755778277 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.