Mass per volume density.
Milligrams per Cubic Centimeter to Centigrams per Gallon Converter — mg/cm3 to cg/gal
Convert Milligram per Cubic Centimeter (mg/cm3) to Centigram per Gallon (cg/gal) using the exact conversion factor (1 milligram per cubic centimeter = 378.5411784 centigram per gallon). See the formula, worked examples, and conversion table.
Milligrams per Cubic Centimeter to Centigrams 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 1 / 0.002641720524.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Milligrams per Cubic Centimeter to Centigrams per Gallon
Milligram per Cubic Centimeter and Centigram 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
centigrams per gallon = milligrams per cubic centimeter × 378.5411784
This factor comes from each unit's defined relationship to the category's base unit: 1 milligram per cubic centimeter equals 1 base unit, and 1 centigram per gallon equals 0.00264172052358 base units, so dividing one by the other gives the direct milligram per cubic centimeter-to-centigram per gallon factor of 378.5411784.
Simple example
1 mg/cm3 × 378.5411784 = 378.5411784 cg/gal
1 milligram per cubic centimeter = 378.5411784 centigrams per gallon.
Real-world example
1,000 mg/cm3 × 378.5411784 = 378,541.1784 cg/gal
1,000 milligrams per cubic centimeter = 378,541.1784 centigrams per gallon.
Conversion table
| Milligram per Cubic Centimeter (mg/cm3) | Centigram per Gallon (cg/gal) |
|---|---|
| 0.1 mg/cm3 | 37.85411784 cg/gal |
| 1 mg/cm3 | 378.5411784 cg/gal |
| 10 mg/cm3 | 3,785.411784 cg/gal |
| 100 mg/cm3 | 37,854.11784 cg/gal |
| 1,000 mg/cm3 | 378,541.1784 cg/gal |
| 10,000 mg/cm3 | 3,785,411.784 cg/gal |
Reverse conversion: Centigram per Gallon to Milligram per Cubic Centimeter
378.5411784 cg/gal × 0.002641720524 = 1 mg/cm3
378.5411784 centigrams per gallon = 1 milligrams per cubic centimeter.
milligrams per cubic centimeter = centigrams per gallon × 0.00264172052358
For a page dedicated to this direction, see Centigram per Gallon to Milligram per Cubic Centimeter.
Understanding the Milligram per Cubic Centimeter (mg/cm3)
Mass per volume density.
Understanding the Centigram per Gallon (cg/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many centigrams per gallon are in 1 milligram per cubic centimeter?
1 milligram per cubic centimeter equals 378.5411784 centigrams per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert milligram per cubic centimeter to centigram per gallon?
Multiply the milligram per cubic centimeter value by 378.5411784. The converter above does this instantly to whatever precision you set.
How do I convert centigram per gallon back to milligram per cubic centimeter?
Use the reverse factor: 1 centigram per gallon equals 0.0026417205 milligrams per cubic centimeter. You can also use the swap control in the converter above to flip the direction instantly.
What is a milligram per cubic centimeter?
Milligram per Cubic Centimeter (mg/cm3) is a unit of density.
What is a centigram per gallon?
Centigram per Gallon (cg/gal) is a unit of density.
Is the milligram per cubic centimeter to centigram per gallon conversion exact?
Yes. Both milligram per cubic centimeter and centigram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 378.5411784 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.