Mass per volume density.
Grams per Gallon to Ounces per Cup Converter — g/gal to oz/cup
Convert Gram per Gallon (g/gal) to Ounce per Cup (oz/cup) using the exact conversion factor (1 gram per gallon = 0.0022046226 ounce per cup). See the formula, worked examples, and conversion table.
Grams per Gallon to Ounces per Cup converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Context values
Some unit families need one extra value for a physically accurate result.
Mass per volume density.
Result = input x 0.2641720524 / 119.8264273.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grams per Gallon to Ounces per Cup
Gram per Gallon and Ounce per Cup both measure density — mass per unit volume — a property used to identify materials, check manufacturing quality, and predict whether something floats or sinks. As a fixed reference point, water has a density of exactly 1000 kg/m³ (1 g/cm³, 1 g/mL) at its temperature of maximum density, which is why many density figures in science and engineering are quoted relative to water. Both are mass per volume density units.
Formula
ounces per cup = grams per gallon × 0.00220462262185
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 cup equals 119.826427317 base units, so dividing one by the other gives the direct gram per gallon-to-ounce per cup factor of 0.00220462262185.
Simple example
1 g/gal × 0.002204622622 = 0.0022046226 oz/cup
1 gram per gallon = 0.0022046226 ounces per cup.
Real-world example
1,000 g/gal × 0.002204622622 = 2.204622622 oz/cup
1,000 grams per gallon = 2.204622622 ounces per cup.
Conversion table
| Gram per Gallon (g/gal) | Ounce per Cup (oz/cup) |
|---|---|
| 0.1 g/gal | 0.0002204623 oz/cup |
| 1 g/gal | 0.0022046226 oz/cup |
| 10 g/gal | 0.0220462262 oz/cup |
| 100 g/gal | 0.2204622622 oz/cup |
| 1,000 g/gal | 2.204622622 oz/cup |
| 10,000 g/gal | 22.04622622 oz/cup |
Reverse conversion: Ounce per Cup to Gram per Gallon
0.0022046226 oz/cup × 453.59237 = 0.9999999901 g/gal
0.0022046226 ounces per cup = 0.9999999901 grams per gallon.
grams per gallon = ounces per cup × 453.59237
For a page dedicated to this direction, see Ounce per Cup to Gram per Gallon.
Understanding the Gram per Gallon (g/gal)
Mass per volume density.
Understanding the Ounce per Cup (oz/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ounces per cup are in 1 gram per gallon?
1 gram per gallon equals 0.0022046226 ounces per cup, using the exact defined conversion factor rather than an estimate.
How do I convert gram per gallon to ounce per cup?
Multiply the gram per gallon value by 0.002204622622. The converter above does this instantly to whatever precision you set.
How do I convert ounce per cup back to gram per gallon?
Use the reverse factor: 1 ounce per cup equals 453.59237 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 density.
What is a ounce per cup?
Ounce per Cup (oz/cup) is a unit of density.
Is the gram per gallon to ounce per cup conversion exact?
Yes. Both gram per gallon and ounce per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.002204622622 used above is exact to as many digits as you choose to display.
What's the difference between density and mass concentration?
Density is the mass of a pure substance or material per unit volume. Mass concentration is the mass of one component — like a dissolved solute — within a mixture's total volume. The two use the same kind of units but describe different physical situations.