Mass per volume density.
Grams per Imperial gallon to Centigrams per Quart Converter — g/imp gal to cg/qt
Convert Gram per Imperial gallon (g/imp gal) to Centigram per Quart (cg/qt) using the exact conversion factor (1 gram per imperial gallon = 20.81685462 centigram per quart). See the formula, worked examples, and conversion table.
Grams per Imperial gallon to Centigrams per Quart 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 0.2199692483 / 0.01056688209.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grams per Imperial gallon to Centigrams per Quart
Gram per Imperial gallon and Centigram per Quart 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 quart = grams per imperial gallon × 20.8168546157
This factor comes from each unit's defined relationship to the category's base unit: 1 gram per imperial gallon equals 0.219969248299 base units, and 1 centigram per quart equals 0.0105668820943 base units, so dividing one by the other gives the direct gram per imperial gallon-to-centigram per quart factor of 20.8168546157.
Simple example
1 g/imp gal × 20.81685462 = 20.81685462 cg/qt
1 gram per imperial gallon = 20.81685462 centigrams per quart.
Real-world example
1,000 g/imp gal × 20.81685462 = 20,816.85462 cg/qt
1,000 grams per imperial gallon = 20,816.85462 centigrams per quart.
Conversion table
| Gram per Imperial gallon (g/imp gal) | Centigram per Quart (cg/qt) |
|---|---|
| 0.1 g/imp gal | 2.081685462 cg/qt |
| 1 g/imp gal | 20.81685462 cg/qt |
| 10 g/imp gal | 208.1685462 cg/qt |
| 100 g/imp gal | 2,081.685462 cg/qt |
| 1,000 g/imp gal | 20,816.85462 cg/qt |
| 10,000 g/imp gal | 208,168.5462 cg/qt |
Reverse conversion: Centigram per Quart to Gram per Imperial gallon
20.81685462 cg/qt × 0.04803799702 = 1 g/imp gal
20.81685462 centigrams per quart = 1 grams per imperial gallon.
grams per imperial gallon = centigrams per quart × 0.0480379970202
For a page dedicated to this direction, see Centigram per Quart to Gram per Imperial gallon.
Understanding the Gram per Imperial gallon (g/imp gal)
Mass per volume density.
Understanding the Centigram per Quart (cg/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many centigrams per quart are in 1 gram per imperial gallon?
1 gram per imperial gallon equals 20.81685462 centigrams per quart, using the exact defined conversion factor rather than an estimate.
How do I convert gram per imperial gallon to centigram per quart?
Multiply the gram per imperial gallon value by 20.81685462. The converter above does this instantly to whatever precision you set.
How do I convert centigram per quart back to gram per imperial gallon?
Use the reverse factor: 1 centigram per quart equals 0.048037997 grams per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a gram per imperial gallon?
Gram per Imperial gallon (g/imp gal) is a unit of density.
What is a centigram per quart?
Centigram per Quart (cg/qt) is a unit of density.
Is the gram per imperial gallon to centigram per quart conversion exact?
Yes. Both gram per imperial gallon and centigram per quart are defined by fixed standards rather than physical artifacts, so the factor of 20.81685462 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.