Mass per volume density.
Pounds per Cubic Meter to Grams per Cup Converter — lb/m3 to g/cup
Convert Pound per Cubic Meter (lb/m3) to Gram per Cup (g/cup) using the exact conversion factor (1 pound per cubic meter = 0.1073146189 gram per cup). See the formula, worked examples, and conversion table.
Pounds per Cubic Meter to Grams 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 / 4.226752838.
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 Grams per Cup
Pound per Cubic Meter and Gram 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
grams per cup = pounds per cubic meter × 0.107314618908
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 gram per cup equals 4.22675283773 base units, so dividing one by the other gives the direct pound per cubic meter-to-gram per cup factor of 0.107314618908.
Simple example
1 lb/m3 × 0.1073146189 = 0.1073146189 g/cup
1 pound per cubic meter = 0.1073146189 grams per cup.
Real-world example
1,000 lb/m3 × 0.1073146189 = 107.3146189 g/cup
1,000 pounds per cubic meter = 107.3146189 grams per cup.
Conversion table
| Pound per Cubic Meter (lb/m3) | Gram per Cup (g/cup) |
|---|---|
| 0.1 lb/m3 | 0.0107314619 g/cup |
| 1 lb/m3 | 0.1073146189 g/cup |
| 10 lb/m3 | 1.073146189 g/cup |
| 100 lb/m3 | 10.73146189 g/cup |
| 1,000 lb/m3 | 107.3146189 g/cup |
| 10,000 lb/m3 | 1,073.146189 g/cup |
Reverse conversion: Gram per Cup to Pound per Cubic Meter
0.1073146189 g/cup × 9.318394923 = 0.9999999999 lb/m3
0.1073146189 grams per cup = 0.9999999999 pounds per cubic meter.
pounds per cubic meter = grams per cup × 9.31839492302
For a page dedicated to this direction, see Gram per Cup to Pound per Cubic Meter.
Understanding the Pound per Cubic Meter (lb/m3)
Mass per volume density.
Understanding the Gram per Cup (g/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grams per cup are in 1 pound per cubic meter?
1 pound per cubic meter equals 0.1073146189 grams per cup, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cubic meter to gram per cup?
Multiply the pound per cubic meter value by 0.1073146189. The converter above does this instantly to whatever precision you set.
How do I convert gram per cup back to pound per cubic meter?
Use the reverse factor: 1 gram per cup equals 9.318394923 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 gram per cup?
Gram per Cup (g/cup) is a unit of density.
Is the pound per cubic meter to gram per cup conversion exact?
Yes. Both pound per cubic meter and gram per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.1073146189 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.