Mass per volume density.
Ounces per Cup to Pounds per Cubic Meter Converter — oz/cup to lb/m3
Convert Ounce per Cup (oz/cup) to Pound per Cubic Meter (lb/m3) using the exact conversion factor (1 ounce per cup = 264.1720524 pound per cubic meter). See the formula, worked examples, and conversion table.
Ounces per Cup to Pounds per Cubic Meter 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 119.8264273 / 0.45359237.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Cup to Pounds per Cubic Meter
Ounce per Cup and Pound per Cubic Meter 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 cubic meter = ounces per cup × 264.172052358
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per cup equals 119.826427317 base units, and 1 pound per cubic meter equals 0.45359237 base units, so dividing one by the other gives the direct ounce per cup-to-pound per cubic meter factor of 264.172052358.
Simple example
1 oz/cup × 264.1720524 = 264.1720524 lb/m3
1 ounce per cup = 264.1720524 pounds per cubic meter.
Real-world example
1,000 oz/cup × 264.1720524 = 264,172.0524 lb/m3
1,000 ounces per cup = 264,172.0524 pounds per cubic meter.
Conversion table
| Ounce per Cup (oz/cup) | Pound per Cubic Meter (lb/m3) |
|---|---|
| 0.1 oz/cup | 26.41720524 lb/m3 |
| 1 oz/cup | 264.1720524 lb/m3 |
| 10 oz/cup | 2,641.720524 lb/m3 |
| 100 oz/cup | 26,417.20524 lb/m3 |
| 1,000 oz/cup | 264,172.0524 lb/m3 |
| 10,000 oz/cup | 2,641,720.524 lb/m3 |
Reverse conversion: Pound per Cubic Meter to Ounce per Cup
264.1720524 lb/m3 × 0.003785411784 = 1 oz/cup
264.1720524 pounds per cubic meter = 1 ounces per cup.
ounces per cup = pounds per cubic meter × 0.003785411784
For a page dedicated to this direction, see Pound per Cubic Meter to Ounce per Cup.
Understanding the Ounce per Cup (oz/cup)
Mass per volume density.
Understanding the Pound per Cubic Meter (lb/m3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per cubic meter are in 1 ounce per cup?
1 ounce per cup equals 264.1720524 pounds per cubic meter, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per cup to pound per cubic meter?
Multiply the ounce per cup value by 264.1720524. The converter above does this instantly to whatever precision you set.
How do I convert pound per cubic meter back to ounce per cup?
Use the reverse factor: 1 pound per cubic meter equals 0.0037854118 ounces per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per cup?
Ounce per Cup (oz/cup) is a unit of density.
What is a pound per cubic meter?
Pound per Cubic Meter (lb/m3) is a unit of density.
Is the ounce per cup to pound per cubic meter conversion exact?
Yes. Both ounce per cup and pound per cubic meter are defined by fixed standards rather than physical artifacts, so the factor of 264.1720524 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.