Mass per volume density.
Ounces per Gallon to Grams per Cup Converter — oz/gal to g/cup
Convert Ounce per Gallon (oz/gal) to Gram per Cup (g/cup) using the exact conversion factor (1 ounce per gallon = 1.771845195 gram per cup). See the formula, worked examples, conversion table, and common uses.
Ounces per Gallon to Grams 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 7.489151707 / 4.226752838.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Gallon to Grams per Cup
Ounce per Gallon and Gram 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. Ounce per Gallon is most often used for used to express dilution rates on many us pesticide, herbicide, and household cleaning product labels, which commonly specify a number of fluid ounces of concentrate per gallon of water.
Formula
grams per cup = ounces per gallon × 1.77184519531
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per gallon equals 7.48915170731 base units, and 1 gram per cup equals 4.22675283773 base units, so dividing one by the other gives the direct ounce per gallon-to-gram per cup factor of 1.77184519531.
Simple example
1 oz/gal × 1.771845195 = 1.771845195 g/cup
1 ounce per gallon = 1.771845195 grams per cup.
Real-world example
1,000 oz/gal × 1.771845195 = 1,771.845195 g/cup
1,000 ounces per gallon = 1,771.845195 grams per cup.
Conversion table
| Ounce per Gallon (oz/gal) | Gram per Cup (g/cup) |
|---|---|
| 0.1 oz/gal | 0.1771845195 g/cup |
| 1 oz/gal | 1.771845195 g/cup |
| 10 oz/gal | 17.71845195 g/cup |
| 100 oz/gal | 177.1845195 g/cup |
| 1,000 oz/gal | 1,771.845195 g/cup |
| 10,000 oz/gal | 17,718.45195 g/cup |
Reverse conversion: Gram per Cup to Ounce per Gallon
1.771845195 g/cup × 0.5643833912 = 0.9999999998 oz/gal
1.771845195 grams per cup = 0.9999999998 ounces per gallon.
ounces per gallon = grams per cup × 0.564383391193
For a page dedicated to this direction, see Gram per Cup to Ounce per Gallon.
Understanding the Ounce per Gallon
Ounce per Gallon (oz/gal) measures concentration (dilution rate). A US customary way to express how much concentrate is mixed into each gallon of a diluted solution. It is classified as a US customary concentration unit.
Where it's used: United States
Uses of the Ounce per Gallon today
- Used to express dilution rates on many US pesticide, herbicide, and household cleaning product labels, which commonly specify a number of fluid ounces of concentrate per gallon of water
Understanding the Gram per Cup (g/cup)
Mass per volume density.
Ounce per Gallon — sources
- US product-label dilution conventions (pesticide/herbicide industry guides) — Fluid ounces of concentrate per gallon is a widely used label format for US spray and cleaning product dilution instructions.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grams per cup are in 1 ounce per gallon?
1 ounce per gallon equals 1.771845195 grams per cup, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per gallon to gram per cup?
Multiply the ounce per gallon value by 1.771845195. The converter above does this instantly to whatever precision you set.
How do I convert gram per cup back to ounce per gallon?
Use the reverse factor: 1 gram per cup equals 0.5643833912 ounces per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per gallon?
Ounce per Gallon (oz/gal) measures concentration (dilution rate). A US customary way to express how much concentrate is mixed into each gallon of a diluted solution. It is classified as a US customary concentration unit.
What is a gram per cup?
Gram per Cup (g/cup) is a unit of density.
Is the ounce per gallon to gram per cup conversion exact?
Yes. Both ounce per gallon and gram per cup are defined by fixed standards rather than physical artifacts, so the factor of 1.771845195 used above is exact to as many digits as you choose to display.
Where is the ounce per gallon still used today?
United States
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.