Mass per volume density.
Kilograms per Cup to Pounds per Fluid ounce Converter — kg/cup to lb/fl oz
Convert Kilogram per Cup (kg/cup) to Pound per Fluid ounce (lb/fl oz) using the exact conversion factor (1 kilogram per cup = 0.2755778277 pound per fluid ounce). See the formula, worked examples, and conversion table.
Kilograms per Cup to Pounds 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 4226.752838 / 15337.7827.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Kilograms per Cup to Pounds per Fluid ounce
Kilogram per Cup and Pound 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
pounds per fluid ounce = kilograms per cup × 0.275577827731
This factor comes from each unit's defined relationship to the category's base unit: 1 kilogram per cup equals 4226.75283773 base units, and 1 pound per fluid ounce equals 15337.7826966 base units, so dividing one by the other gives the direct kilogram per cup-to-pound per fluid ounce factor of 0.275577827731.
Simple example
1 kg/cup × 0.2755778277 = 0.2755778277 lb/fl oz
1 kilogram per cup = 0.2755778277 pounds per fluid ounce.
Real-world example
1,000 kg/cup × 0.2755778277 = 275.5778277 lb/fl oz
1,000 kilograms per cup = 275.5778277 pounds per fluid ounce.
Conversion table
| Kilogram per Cup (kg/cup) | Pound per Fluid ounce (lb/fl oz) |
|---|---|
| 0.1 kg/cup | 0.0275577828 lb/fl oz |
| 1 kg/cup | 0.2755778277 lb/fl oz |
| 10 kg/cup | 2.755778277 lb/fl oz |
| 100 kg/cup | 27.55778277 lb/fl oz |
| 1,000 kg/cup | 275.5778277 lb/fl oz |
| 10,000 kg/cup | 2,755.778277 lb/fl oz |
Reverse conversion: Pound per Fluid ounce to Kilogram per Cup
0.2755778277 lb/fl oz × 3.62873896 = 0.9999999999 kg/cup
0.2755778277 pounds per fluid ounce = 0.9999999999 kilograms per cup.
kilograms per cup = pounds per fluid ounce × 3.62873896
For a page dedicated to this direction, see Pound per Fluid ounce to Kilogram per Cup.
Understanding the Kilogram per Cup (kg/cup)
Mass per volume density.
Understanding the Pound per Fluid ounce (lb/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per fluid ounce are in 1 kilogram per cup?
1 kilogram per cup equals 0.2755778277 pounds per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert kilogram per cup to pound per fluid ounce?
Multiply the kilogram per cup value by 0.2755778277. The converter above does this instantly to whatever precision you set.
How do I convert pound per fluid ounce back to kilogram per cup?
Use the reverse factor: 1 pound per fluid ounce equals 3.62873896 kilograms per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a kilogram per cup?
Kilogram per Cup (kg/cup) is a unit of density.
What is a pound per fluid ounce?
Pound per Fluid ounce (lb/fl oz) is a unit of density.
Is the kilogram per cup to pound per fluid ounce conversion exact?
Yes. Both kilogram per cup and pound per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 0.2755778277 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.