Mass per volume density.
Ounces per Cubic foot to Kilograms per Cup Converter — oz/ft3 to kg/cup
Convert Ounce per Cubic foot (oz/ft3) to Kilogram per Cup (kg/cup) using the exact conversion factor (1 ounce per cubic foot = 0.0002368613 kilogram per cup). See the formula, worked examples, and conversion table.
Ounces per Cubic foot to Kilograms 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 1.001153961 / 4226.752838.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Cubic foot to Kilograms per Cup
Ounce per Cubic foot and Kilogram 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
kilograms per cup = ounces per cubic foot × 0.000236861250068
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per cubic foot equals 1.00115396087 base units, and 1 kilogram per cup equals 4226.75283773 base units, so dividing one by the other gives the direct ounce per cubic foot-to-kilogram per cup factor of 0.000236861250068.
Simple example
1 oz/ft3 × 0.0002368612501 = 0.0002368613 kg/cup
1 ounce per cubic foot = 0.0002368613 kilograms per cup.
Real-world example
1,000 oz/ft3 × 0.0002368612501 = 0.2368612501 kg/cup
1,000 ounces per cubic foot = 0.2368612501 kilograms per cup.
Conversion table
| Ounce per Cubic foot (oz/ft3) | Kilogram per Cup (kg/cup) |
|---|---|
| 0.1 oz/ft3 | 0.0000236861 kg/cup |
| 1 oz/ft3 | 0.0002368613 kg/cup |
| 10 oz/ft3 | 0.0023686125 kg/cup |
| 100 oz/ft3 | 0.023686125 kg/cup |
| 1,000 oz/ft3 | 0.2368612501 kg/cup |
| 10,000 oz/ft3 | 2.368612501 kg/cup |
Reverse conversion: Kilogram per Cup to Ounce per Cubic foot
0.0002368613 kg/cup × 4221.880952 = 1.000000211 oz/ft3
0.0002368613 kilograms per cup = 1.000000211 ounces per cubic foot.
ounces per cubic foot = kilograms per cup × 4221.8809523
For a page dedicated to this direction, see Kilogram per Cup to Ounce per Cubic foot.
Understanding the Ounce per Cubic foot (oz/ft3)
Mass per volume density.
Understanding the Kilogram per Cup (kg/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilograms per cup are in 1 ounce per cubic foot?
1 ounce per cubic foot equals 0.0002368613 kilograms per cup, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per cubic foot to kilogram per cup?
Multiply the ounce per cubic foot value by 0.0002368612501. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per cup back to ounce per cubic foot?
Use the reverse factor: 1 kilogram per cup equals 4,221.880952 ounces per cubic foot. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per cubic foot?
Ounce per Cubic foot (oz/ft3) is a unit of density.
What is a kilogram per cup?
Kilogram per Cup (kg/cup) is a unit of density.
Is the ounce per cubic foot to kilogram per cup conversion exact?
Yes. Both ounce per cubic foot and kilogram per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.0002368612501 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.