Mass per volume density.
Pounds per Cup to Kilograms per Fluid ounce Converter — lb/cup to kg/fl oz
Convert Pound per Cup (lb/cup) to Kilogram per Fluid ounce (kg/fl oz) using the exact conversion factor (1 pound per cup = 0.0566990463 kilogram per fluid ounce). See the formula, worked examples, and conversion table.
Pounds per Cup to Kilograms per Fluid ounce 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 / 33814.0227.
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 Kilograms per Fluid ounce
Pound per Cup and Kilogram per Fluid ounce 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
kilograms per fluid ounce = pounds per cup × 0.05669904625
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 kilogram per fluid ounce equals 33814.0227018 base units, so dividing one by the other gives the direct pound per cup-to-kilogram per fluid ounce factor of 0.05669904625.
Simple example
1 lb/cup × 0.05669904625 = 0.0566990463 kg/fl oz
1 pound per cup = 0.0566990463 kilograms per fluid ounce.
Real-world example
1,000 lb/cup × 0.05669904625 = 56.69904625 kg/fl oz
1,000 pounds per cup = 56.69904625 kilograms per fluid ounce.
Conversion table
| Pound per Cup (lb/cup) | Kilogram per Fluid ounce (kg/fl oz) |
|---|---|
| 0.1 lb/cup | 0.0056699046 kg/fl oz |
| 1 lb/cup | 0.0566990463 kg/fl oz |
| 10 lb/cup | 0.5669904625 kg/fl oz |
| 100 lb/cup | 5.669904625 kg/fl oz |
| 1,000 lb/cup | 56.69904625 kg/fl oz |
| 10,000 lb/cup | 566.9904625 kg/fl oz |
Reverse conversion: Kilogram per Fluid ounce to Pound per Cup
0.0566990463 kg/fl oz × 17.63698097 = 1.000000001 lb/cup
0.0566990463 kilograms per fluid ounce = 1.000000001 pounds per cup.
pounds per cup = kilograms per fluid ounce × 17.6369809748
For a page dedicated to this direction, see Kilogram per Fluid ounce to Pound per Cup.
Understanding the Pound per Cup (lb/cup)
Mass per volume density.
Understanding the Kilogram per Fluid ounce (kg/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilograms per fluid ounce are in 1 pound per cup?
1 pound per cup equals 0.0566990463 kilograms per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cup to kilogram per fluid ounce?
Multiply the pound per cup value by 0.05669904625. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per fluid ounce back to pound per cup?
Use the reverse factor: 1 kilogram per fluid ounce equals 17.63698097 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 kilogram per fluid ounce?
Kilogram per Fluid ounce (kg/fl oz) is a unit of density.
Is the pound per cup to kilogram per fluid ounce conversion exact?
Yes. Both pound per cup and kilogram per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 0.05669904625 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.