Mass per volume density.
Centigrams per Gallon to Milligrams per Imperial gallon Converter — cg/gal to mg/imp gal
Convert Centigram per Gallon (cg/gal) to Milligram per Imperial gallon (mg/imp gal) using the exact conversion factor (1 centigram per gallon = 12.00949926 milligram per imperial gallon). See the formula, worked examples, and conversion table.
Centigrams per Gallon to Milligrams per Imperial 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 0.002641720524 / 0.0002199692483.
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 Milligrams per Imperial gallon
Centigram per Gallon and Milligram per Imperial 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 imperial gallon = centigrams per gallon × 12.009499255
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 milligram per imperial gallon equals 0.000219969248299 base units, so dividing one by the other gives the direct centigram per gallon-to-milligram per imperial gallon factor of 12.009499255.
Simple example
1 cg/gal × 12.00949926 = 12.00949926 mg/imp gal
1 centigram per gallon = 12.00949926 milligrams per imperial gallon.
Real-world example
1,000 cg/gal × 12.00949926 = 12,009.49926 mg/imp gal
1,000 centigrams per gallon = 12,009.49926 milligrams per imperial gallon.
Conversion table
| Centigram per Gallon (cg/gal) | Milligram per Imperial gallon (mg/imp gal) |
|---|---|
| 0.1 cg/gal | 1.200949926 mg/imp gal |
| 1 cg/gal | 12.00949926 mg/imp gal |
| 10 cg/gal | 120.0949926 mg/imp gal |
| 100 cg/gal | 1,200.949926 mg/imp gal |
| 1,000 cg/gal | 12,009.49926 mg/imp gal |
| 10,000 cg/gal | 120,094.9926 mg/imp gal |
Reverse conversion: Milligram per Imperial gallon to Centigram per Gallon
12.00949926 mg/imp gal × 0.08326741846 = 1 cg/gal
12.00949926 milligrams per imperial gallon = 1 centigrams per gallon.
centigrams per gallon = milligrams per imperial gallon × 0.0832674184629
For a page dedicated to this direction, see Milligram per Imperial gallon to Centigram per Gallon.
Understanding the Centigram per Gallon (cg/gal)
Mass per volume density.
Understanding the Milligram per Imperial gallon (mg/imp gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many milligrams per imperial gallon are in 1 centigram per gallon?
1 centigram per gallon equals 12.00949926 milligrams per imperial gallon, using the exact defined conversion factor rather than an estimate.
How do I convert centigram per gallon to milligram per imperial gallon?
Multiply the centigram per gallon value by 12.00949926. The converter above does this instantly to whatever precision you set.
How do I convert milligram per imperial gallon back to centigram per gallon?
Use the reverse factor: 1 milligram per imperial gallon equals 0.0832674185 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 milligram per imperial gallon?
Milligram per Imperial gallon (mg/imp gal) is a unit of density.
Is the centigram per gallon to milligram per imperial gallon conversion exact?
Yes. Both centigram per gallon and milligram per imperial gallon are defined by fixed standards rather than physical artifacts, so the factor of 12.00949926 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.