Mass per volume density.
Carats per Gallon to Pounds per Cup Converter — ct/gal to lb/cup
Convert Carat per Gallon (ct/gal) to Pound per Cup (lb/cup) using the exact conversion factor (1 carat per gallon = 0.0000275578 pound per cup). See the formula, worked examples, and conversion table.
Carats 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 0.05283441047 / 1917.222837.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Carats per Gallon to Pounds per Cup
Carat 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 = carats per gallon × 0.0000275577827731
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per gallon equals 0.0528344104716 base units, and 1 pound per cup equals 1917.22283707 base units, so dividing one by the other gives the direct carat per gallon-to-pound per cup factor of 0.0000275577827731.
Simple example
1 ct/gal × 0.00002755778277 = 0.0000275578 lb/cup
1 carat per gallon = 0.0000275578 pounds per cup.
Real-world example
1,000 ct/gal × 0.00002755778277 = 0.0275577828 lb/cup
1,000 carats per gallon = 0.0275577828 pounds per cup.
Conversion table
| Carat per Gallon (ct/gal) | Pound per Cup (lb/cup) |
|---|---|
| 0.1 ct/gal | 0.0000027558 lb/cup |
| 1 ct/gal | 0.0000275578 lb/cup |
| 10 ct/gal | 0.0002755778 lb/cup |
| 100 ct/gal | 0.0027557783 lb/cup |
| 1,000 ct/gal | 0.0275577828 lb/cup |
| 10,000 ct/gal | 0.2755778277 lb/cup |
Reverse conversion: Pound per Cup to Carat per Gallon
0.0000275578 lb/cup × 36287.3896 = 1.000000625 ct/gal
0.0000275578 pounds per cup = 1.000000625 carats per gallon.
carats per gallon = pounds per cup × 36287.3896
For a page dedicated to this direction, see Pound per Cup to Carat per Gallon.
Understanding the Carat per Gallon (ct/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 carat per gallon?
1 carat per gallon equals 0.0000275578 pounds per cup, using the exact defined conversion factor rather than an estimate.
How do I convert carat per gallon to pound per cup?
Multiply the carat per gallon value by 0.00002755778277. The converter above does this instantly to whatever precision you set.
How do I convert pound per cup back to carat per gallon?
Use the reverse factor: 1 pound per cup equals 36,287.3896 carats per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per gallon?
Carat per Gallon (ct/gal) is a unit of density.
What is a pound per cup?
Pound per Cup (lb/cup) is a unit of density.
Is the carat per gallon to pound per cup conversion exact?
Yes. Both carat per gallon and pound per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.00002755778277 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.