Mass per volume density.
Centigrams per Gallon to Pounds per Cup Converter — cg/gal to lb/cup
Convert Centigram per Gallon (cg/gal) to Pound per Cup (lb/cup) using the exact conversion factor (1 centigram per gallon = 0.0000013779 pound per cup). See the formula, worked examples, and conversion table.
Centigrams per Gallon to Pounds per Cup 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 / 1917.222837.
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 Pounds per Cup
Centigram per Gallon and Pound per Cup 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
pounds per cup = centigrams per gallon × 0.00000137788913866
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 pound per cup equals 1917.22283707 base units, so dividing one by the other gives the direct centigram per gallon-to-pound per cup factor of 0.00000137788913866.
Simple example
1 cg/gal × 0.000001377889139 = 0.0000013779 lb/cup
1 centigram per gallon = 0.0000013779 pounds per cup.
Real-world example
1,000 cg/gal × 0.000001377889139 = 0.0013778891 lb/cup
1,000 centigrams per gallon = 0.0013778891 pounds per cup.
Conversion table
| Centigram per Gallon (cg/gal) | Pound per Cup (lb/cup) |
|---|---|
| 0.1 cg/gal | 1.377889e-7 lb/cup |
| 1 cg/gal | 0.0000013779 lb/cup |
| 10 cg/gal | 0.0000137789 lb/cup |
| 100 cg/gal | 0.0001377889 lb/cup |
| 1,000 cg/gal | 0.0013778891 lb/cup |
| 10,000 cg/gal | 0.0137788914 lb/cup |
Reverse conversion: Pound per Cup to Centigram per Gallon
0.0000013779 lb/cup × 725747.792 = 1.000007883 cg/gal
0.0000013779 pounds per cup = 1.000007883 centigrams per gallon.
centigrams per gallon = pounds per cup × 725747.792
For a page dedicated to this direction, see Pound per Cup to Centigram per Gallon.
Understanding the Centigram per Gallon (cg/gal)
Mass per volume density.
Understanding the Pound per Cup (lb/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per cup are in 1 centigram per gallon?
1 centigram per gallon equals 0.0000013779 pounds per cup, using the exact defined conversion factor rather than an estimate.
How do I convert centigram per gallon to pound per cup?
Multiply the centigram per gallon value by 0.000001377889139. The converter above does this instantly to whatever precision you set.
How do I convert pound per cup back to centigram per gallon?
Use the reverse factor: 1 pound per cup equals 725,747.792 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 pound per cup?
Pound per Cup (lb/cup) is a unit of density.
Is the centigram per gallon to pound per cup conversion exact?
Yes. Both centigram per gallon and pound per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.000001377889139 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.