Mass per volume density.
Pounds per Cubic Meter to Kilograms per Cup Converter — lb/m3 to kg/cup
Convert Pound per Cubic Meter (lb/m3) to Kilogram per Cup (kg/cup) using the exact conversion factor (1 pound per cubic meter = 0.0001073146 kilogram per cup). See the formula, worked examples, and conversion table.
Pounds per Cubic Meter 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 0.45359237 / 4226.752838.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Cubic Meter to Kilograms per Cup
Pound per Cubic Meter 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 = pounds per cubic meter × 0.000107314618908
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per cubic meter equals 0.45359237 base units, and 1 kilogram per cup equals 4226.75283773 base units, so dividing one by the other gives the direct pound per cubic meter-to-kilogram per cup factor of 0.000107314618908.
Simple example
1 lb/m3 × 0.0001073146189 = 0.0001073146 kg/cup
1 pound per cubic meter = 0.0001073146 kilograms per cup.
Real-world example
1,000 lb/m3 × 0.0001073146189 = 0.1073146189 kg/cup
1,000 pounds per cubic meter = 0.1073146189 kilograms per cup.
Conversion table
| Pound per Cubic Meter (lb/m3) | Kilogram per Cup (kg/cup) |
|---|---|
| 0.1 lb/m3 | 0.0000107315 kg/cup |
| 1 lb/m3 | 0.0001073146 kg/cup |
| 10 lb/m3 | 0.0010731462 kg/cup |
| 100 lb/m3 | 0.0107314619 kg/cup |
| 1,000 lb/m3 | 0.1073146189 kg/cup |
| 10,000 lb/m3 | 1.073146189 kg/cup |
Reverse conversion: Kilogram per Cup to Pound per Cubic Meter
0.0001073146 kg/cup × 9318.394923 = 0.9999998238 lb/m3
0.0001073146 kilograms per cup = 0.9999998238 pounds per cubic meter.
pounds per cubic meter = kilograms per cup × 9318.39492302
For a page dedicated to this direction, see Kilogram per Cup to Pound per Cubic Meter.
Understanding the Pound per Cubic Meter (lb/m3)
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 pound per cubic meter?
1 pound per cubic meter equals 0.0001073146 kilograms per cup, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cubic meter to kilogram per cup?
Multiply the pound per cubic meter value by 0.0001073146189. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per cup back to pound per cubic meter?
Use the reverse factor: 1 kilogram per cup equals 9,318.394923 pounds per cubic meter. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per cubic meter?
Pound per Cubic Meter (lb/m3) is a unit of density.
What is a kilogram per cup?
Kilogram per Cup (kg/cup) is a unit of density.
Is the pound per cubic meter to kilogram per cup conversion exact?
Yes. Both pound per cubic meter and kilogram per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.0001073146189 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.