Mass per volume density.
Grains per Cup to Centigrams per Liter Converter — gr/cup to cg/L
Convert Grain per Cup (gr/cup) to Centigram per Liter (cg/L) using the exact conversion factor (1 grain per cup = 27.38889767 centigram per liter). See the formula, worked examples, and conversion table.
Grains per Cup to Centigrams per Liter 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 0.2738889767 / 0.01.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Cup to Centigrams per Liter
Grain per Cup and Centigram per Liter 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 liter = grains per cup × 27.3888976724
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per cup equals 0.273888976724 base units, and 1 centigram per liter equals 0.01 base units, so dividing one by the other gives the direct grain per cup-to-centigram per liter factor of 27.3888976724.
Simple example
1 gr/cup × 27.38889767 = 27.38889767 cg/L
1 grain per cup = 27.38889767 centigrams per liter.
Real-world example
1,000 gr/cup × 27.38889767 = 27,388.89767 cg/L
1,000 grains per cup = 27,388.89767 centigrams per liter.
Conversion table
| Grain per Cup (gr/cup) | Centigram per Liter (cg/L) |
|---|---|
| 0.1 gr/cup | 2.738889767 cg/L |
| 1 gr/cup | 27.38889767 cg/L |
| 10 gr/cup | 273.8889767 cg/L |
| 100 gr/cup | 2,738.889767 cg/L |
| 1,000 gr/cup | 27,388.89767 cg/L |
| 10,000 gr/cup | 273,888.9767 cg/L |
Reverse conversion: Centigram per Liter to Grain per Cup
27.38889767 cg/L × 0.03651114448 = 0.9999999999 gr/cup
27.38889767 centigrams per liter = 0.9999999999 grains per cup.
grains per cup = centigrams per liter × 0.0365111444776
For a page dedicated to this direction, see Centigram per Liter to Grain per Cup.
Understanding the Grain per Cup (gr/cup)
Mass per volume density.
Understanding the Centigram per Liter (cg/L)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many centigrams per liter are in 1 grain per cup?
1 grain per cup equals 27.38889767 centigrams per liter, using the exact defined conversion factor rather than an estimate.
How do I convert grain per cup to centigram per liter?
Multiply the grain per cup value by 27.38889767. The converter above does this instantly to whatever precision you set.
How do I convert centigram per liter back to grain per cup?
Use the reverse factor: 1 centigram per liter equals 0.0365111445 grains per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per cup?
Grain per Cup (gr/cup) is a unit of density.
What is a centigram per liter?
Centigram per Liter (cg/L) is a unit of density.
Is the grain per cup to centigram per liter conversion exact?
Yes. Both grain per cup and centigram per liter are defined by fixed standards rather than physical artifacts, so the factor of 27.38889767 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.