Mass per volume density.
Micrograms per Cubic Centimeter to Milligrams per Gallon Converter — ug/cm3 to mg/gal
Convert Microgram per Cubic Centimeter (ug/cm3) to Milligram per Gallon (mg/gal) using the exact conversion factor (1 microgram per cubic centimeter = 3.785411784 milligram per gallon). See the formula, worked examples, and conversion table.
Micrograms per Cubic Centimeter to Milligrams per Gallon 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 0.001 / 0.0002641720524.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Micrograms per Cubic Centimeter to Milligrams per Gallon
Microgram per Cubic Centimeter and Milligram per Gallon 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
milligrams per gallon = micrograms per cubic centimeter × 3.785411784
This factor comes from each unit's defined relationship to the category's base unit: 1 microgram per cubic centimeter equals 0.001 base units, and 1 milligram per gallon equals 0.000264172052358 base units, so dividing one by the other gives the direct microgram per cubic centimeter-to-milligram per gallon factor of 3.785411784.
Simple example
1 ug/cm3 × 3.785411784 = 3.785411784 mg/gal
1 microgram per cubic centimeter = 3.785411784 milligrams per gallon.
Real-world example
1,000 ug/cm3 × 3.785411784 = 3,785.411784 mg/gal
1,000 micrograms per cubic centimeter = 3,785.411784 milligrams per gallon.
Conversion table
| Microgram per Cubic Centimeter (ug/cm3) | Milligram per Gallon (mg/gal) |
|---|---|
| 0.1 ug/cm3 | 0.3785411784 mg/gal |
| 1 ug/cm3 | 3.785411784 mg/gal |
| 10 ug/cm3 | 37.85411784 mg/gal |
| 100 ug/cm3 | 378.5411784 mg/gal |
| 1,000 ug/cm3 | 3,785.411784 mg/gal |
| 10,000 ug/cm3 | 37,854.11784 mg/gal |
Reverse conversion: Milligram per Gallon to Microgram per Cubic Centimeter
3.785411784 mg/gal × 0.2641720524 = 1 ug/cm3
3.785411784 milligrams per gallon = 1 microgram per cubic centimeter.
micrograms per cubic centimeter = milligrams per gallon × 0.264172052358
For a page dedicated to this direction, see Milligram per Gallon to Microgram per Cubic Centimeter.
Understanding the Microgram per Cubic Centimeter (ug/cm3)
Mass per volume density.
Understanding the Milligram per Gallon (mg/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many milligrams per gallon are in 1 microgram per cubic centimeter?
1 microgram per cubic centimeter equals 3.785411784 milligrams per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert microgram per cubic centimeter to milligram per gallon?
Multiply the microgram per cubic centimeter value by 3.785411784. The converter above does this instantly to whatever precision you set.
How do I convert milligram per gallon back to microgram per cubic centimeter?
Use the reverse factor: 1 milligram per gallon equals 0.2641720524 micrograms per cubic centimeter. You can also use the swap control in the converter above to flip the direction instantly.
What is a microgram per cubic centimeter?
Microgram per Cubic Centimeter (ug/cm3) is a unit of density.
What is a milligram per gallon?
Milligram per Gallon (mg/gal) is a unit of density.
Is the microgram per cubic centimeter to milligram per gallon conversion exact?
Yes. Both microgram per cubic centimeter and milligram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 3.785411784 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.