Mass per volume density.
Centigrams per Gallon to Micrograms per Fluid ounce Converter — cg/gal to ug/fl oz
Convert Centigram per Gallon (cg/gal) to Microgram per Fluid ounce (ug/fl oz) using the exact conversion factor (1 centigram per gallon = 78.125 microgram per fluid ounce). See the formula, worked examples, and conversion table.
Centigrams per Gallon to Micrograms per Fluid ounce 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 0.002641720524 / 3.38140227e-5.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Centigrams per Gallon to Micrograms per Fluid ounce
Centigram per Gallon and Microgram per Fluid ounce 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
micrograms per fluid ounce = centigrams per gallon × 78.125
This factor comes from each unit's defined relationship to the category's base unit: 1 centigram per gallon equals 0.00264172052358 base units, and 1 microgram per fluid ounce equals 0.0000338140227018 base units, so dividing one by the other gives the direct centigram per gallon-to-microgram per fluid ounce factor of 78.125.
Simple example
1 cg/gal × 78.125 = 78.125 ug/fl oz
1 centigram per gallon = 78.125 micrograms per fluid ounce.
Real-world example
1,000 cg/gal × 78.125 = 78,125 ug/fl oz
1,000 centigrams per gallon = 78,125 micrograms per fluid ounce.
Conversion table
| Centigram per Gallon (cg/gal) | Microgram per Fluid ounce (ug/fl oz) |
|---|---|
| 0.1 cg/gal | 7.8125 ug/fl oz |
| 1 cg/gal | 78.125 ug/fl oz |
| 10 cg/gal | 781.25 ug/fl oz |
| 100 cg/gal | 7,812.5 ug/fl oz |
| 1,000 cg/gal | 78,125 ug/fl oz |
| 10,000 cg/gal | 781,250 ug/fl oz |
Reverse conversion: Microgram per Fluid ounce to Centigram per Gallon
78.125 ug/fl oz × 0.0128 = 1 cg/gal
78.125 micrograms per fluid ounce = 1 centigram per gallon.
centigrams per gallon = micrograms per fluid ounce × 0.0128
For a page dedicated to this direction, see Microgram per Fluid ounce to Centigram per Gallon.
Understanding the Centigram per Gallon (cg/gal)
Mass per volume density.
Understanding the Microgram per Fluid ounce (ug/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many micrograms per fluid ounce are in 1 centigram per gallon?
1 centigram per gallon equals 78.125 micrograms per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert centigram per gallon to microgram per fluid ounce?
Multiply the centigram per gallon value by 78.125. The converter above does this instantly to whatever precision you set.
How do I convert microgram per fluid ounce back to centigram per gallon?
Use the reverse factor: 1 microgram per fluid ounce equals 0.0128 centigrams per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a centigram per gallon?
Centigram per Gallon (cg/gal) is a unit of density.
What is a microgram per fluid ounce?
Microgram per Fluid ounce (ug/fl oz) is a unit of density.
Is the centigram per gallon to microgram per fluid ounce conversion exact?
Yes. Both centigram per gallon and microgram per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 78.125 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.