Mass per volume density.
Pounds per Cup to Hectograms per Imperial gallon Converter — lb/cup to hg/imp gal
Convert Pound per Cup (lb/cup) to Hectogram per Imperial gallon (hg/imp gal) using the exact conversion factor (1 pound per cup = 87.15867567 hectogram per imperial gallon). See the formula, worked examples, and conversion table.
Pounds per Cup to Hectograms per Imperial 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 / 21.99692483.
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 Hectograms per Imperial gallon
Pound per Cup and Hectogram per Imperial 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
hectograms per imperial gallon = pounds per cup × 87.1586756738
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 hectogram per imperial gallon equals 21.9969248299 base units, so dividing one by the other gives the direct pound per cup-to-hectogram per imperial gallon factor of 87.1586756738.
Simple example
1 lb/cup × 87.15867567 = 87.15867567 hg/imp gal
1 pound per cup = 87.15867567 hectograms per imperial gallon.
Real-world example
1,000 lb/cup × 87.15867567 = 87,158.67567 hg/imp gal
1,000 pounds per cup = 87,158.67567 hectograms per imperial gallon.
Conversion table
| Pound per Cup (lb/cup) | Hectogram per Imperial gallon (hg/imp gal) |
|---|---|
| 0.1 lb/cup | 8.715867567 hg/imp gal |
| 1 lb/cup | 87.15867567 hg/imp gal |
| 10 lb/cup | 871.5867567 hg/imp gal |
| 100 lb/cup | 8,715.867567 hg/imp gal |
| 1,000 lb/cup | 87,158.67567 hg/imp gal |
| 10,000 lb/cup | 871,586.7567 hg/imp gal |
Reverse conversion: Hectogram per Imperial gallon to Pound per Cup
87.15867567 hg/imp gal × 0.01147332715 = 1 lb/cup
87.15867567 hectograms per imperial gallon = 1 pounds per cup.
pounds per cup = hectograms per imperial gallon × 0.0114733271504
For a page dedicated to this direction, see Hectogram per Imperial gallon to Pound per Cup.
Understanding the Pound per Cup (lb/cup)
Mass per volume density.
Understanding the Hectogram per Imperial gallon (hg/imp gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many hectograms per imperial gallon are in 1 pound per cup?
1 pound per cup equals 87.15867567 hectograms per imperial gallon, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cup to hectogram per imperial gallon?
Multiply the pound per cup value by 87.15867567. The converter above does this instantly to whatever precision you set.
How do I convert hectogram per imperial gallon back to pound per cup?
Use the reverse factor: 1 hectogram per imperial gallon equals 0.0114733272 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 hectogram per imperial gallon?
Hectogram per Imperial gallon (hg/imp gal) is a unit of density.
Is the pound per cup to hectogram per imperial gallon conversion exact?
Yes. Both pound per cup and hectogram per imperial gallon are defined by fixed standards rather than physical artifacts, so the factor of 87.15867567 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.