Mass per volume density.
Pounds per Cup to Centigrams per Gallon Converter — lb/cup to cg/gal
Convert Pound per Cup (lb/cup) to Centigram per Gallon (cg/gal) using the exact conversion factor (1 pound per cup = 725,747.792 centigram per gallon). See the formula, worked examples, and conversion table.
Pounds per Cup 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 1917.222837 / 0.002641720524.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Cup to Centigrams per Gallon
Pound per Cup 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 = pounds per cup × 725747.792
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per cup equals 1917.22283707 base units, and 1 centigram per gallon equals 0.00264172052358 base units, so dividing one by the other gives the direct pound per cup-to-centigram per gallon factor of 725747.792.
Simple example
1 lb/cup × 725747.792 = 725,747.792 cg/gal
1 pound per cup = 725,747.792 centigrams per gallon.
Real-world example
1,000 lb/cup × 725747.792 = 725,747,792 cg/gal
1,000 pounds per cup = 725,747,792 centigrams per gallon.
Conversion table
| Pound per Cup (lb/cup) | Centigram per Gallon (cg/gal) |
|---|---|
| 0.1 lb/cup | 72,574.7792 cg/gal |
| 1 lb/cup | 725,747.792 cg/gal |
| 10 lb/cup | 7,257,477.92 cg/gal |
| 100 lb/cup | 72,574,779.2 cg/gal |
| 1,000 lb/cup | 725,747,792 cg/gal |
| 10,000 lb/cup | 7,257,477,920 cg/gal |
Reverse conversion: Centigram per Gallon to Pound per Cup
1 cg/gal × 0.000001377889139 = 0.0000013779 lb/cup
1 centigram per gallon = 0.0000013779 pounds per cup.
pounds per cup = centigrams per gallon × 0.00000137788913866
For a page dedicated to this direction, see Centigram per Gallon to Pound per Cup.
Understanding the Pound per Cup (lb/cup)
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 pound per cup?
1 pound per cup equals 725,747.792 centigrams per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cup to centigram per gallon?
Multiply the pound per cup value by 725747.792. The converter above does this instantly to whatever precision you set.
How do I convert centigram per gallon back to pound per cup?
Use the reverse factor: 1 centigram per gallon equals 0.0000013779 pounds per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per cup?
Pound per Cup (lb/cup) is a unit of density.
What is a centigram per gallon?
Centigram per Gallon (cg/gal) is a unit of density.
Is the pound per cup to centigram per gallon conversion exact?
Yes. Both pound per cup and centigram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 725747.792 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.