Mass per volume density.
Ounces per Gallon to Grams per Milliliter Converter — oz/gal to g/mL
Convert Ounce per Gallon (oz/gal) to Gram per Milliliter (g/mL) using the exact conversion factor (1 ounce per gallon = 0.0074891517 gram per milliliter). See the formula, worked examples, conversion table, unit comparison, and common uses.
Ounces per Gallon to Grams per Milliliter 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 / 1000.
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 Milliliter
Ounce per Gallon and Gram per Milliliter 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 typically associated with united States, while Gram per Milliliter is typically associated with widely used in chemistry education and laboratory settings internationally.
Formula
grams per milliliter = ounces per gallon × 0.00748915170731
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 milliliter equals 1000 base units, so dividing one by the other gives the direct ounce per gallon-to-gram per milliliter factor of 0.00748915170731.
Simple example
1 oz/gal × 0.007489151707 = 0.0074891517 g/mL
1 ounce per gallon = 0.0074891517 grams per milliliter.
Real-world example
1,000 oz/gal × 0.007489151707 = 7.489151707 g/mL
1,000 ounces per gallon = 7.489151707 grams per milliliter.
Conversion table
| Ounce per Gallon (oz/gal) | Gram per Milliliter (g/mL) |
|---|---|
| 0.1 oz/gal | 0.0007489152 g/mL |
| 1 oz/gal | 0.0074891517 g/mL |
| 10 oz/gal | 0.0748915171 g/mL |
| 100 oz/gal | 0.7489151707 g/mL |
| 1,000 oz/gal | 7.489151707 g/mL |
| 10,000 oz/gal | 74.89151707 g/mL |
Reverse conversion: Gram per Milliliter to Ounce per Gallon
0.0074891517 g/mL × 133.5264712 = 0.999999999 oz/gal
0.0074891517 grams per milliliter = 0.999999999 ounces per gallon.
ounces per gallon = grams per milliliter × 133.526471232
For a page dedicated to this direction, see Gram per Milliliter to Ounce per Gallon.
Ounce per Gallon vs. Gram per Milliliter
| Aspect | Ounce per Gallon | Gram per Milliliter |
|---|---|---|
| Family | US customary concentration unit | metric derived density unit |
| Typical use | 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 | Commonly used in chemistry coursework and laboratory reporting to express the density of liquids and solutions |
| Where it's used | United States | Widely used in chemistry education and laboratory settings internationally |
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 Milliliter
Gram per Milliliter (g/mL) measures density. Numerically identical to grams per cubic centimeter and to kilograms per liter, since one milliliter equals one cubic centimeter exactly. It is classified as a metric derived density unit.
Where it's used: Widely used in chemistry education and laboratory settings internationally
Uses of the Gram per Milliliter today
- Commonly used in chemistry coursework and laboratory reporting to express the density of liquids and solutions
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.
Gram per Milliliter — sources
- BIPM SI Brochure — Gram and milliliter as accepted units for expressing density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grams per milliliter are in 1 ounce per gallon?
1 ounce per gallon equals 0.0074891517 grams per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per gallon to gram per milliliter?
Multiply the ounce per gallon value by 0.007489151707. The converter above does this instantly to whatever precision you set.
How do I convert gram per milliliter back to ounce per gallon?
Use the reverse factor: 1 gram per milliliter equals 133.5264712 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 milliliter?
Gram per Milliliter (g/mL) measures density. Numerically identical to grams per cubic centimeter and to kilograms per liter, since one milliliter equals one cubic centimeter exactly. It is classified as a metric derived density unit.
Is the ounce per gallon to gram per milliliter conversion exact?
Yes. Numerically identical to grams per cubic centimeter and to kilograms per liter, since one milliliter equals one cubic centimeter exactly. That fixed definition is what the converter above uses, so any rounding you see is a display choice, not a limitation of the math.
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.