Mass per volume density.
Pounds per Cubic Meter to Carats per Quart Converter — lb/m3 to ct/qt
Convert Pound per Cubic Meter (lb/m3) to Carat per Quart (ct/qt) using the exact conversion factor (1 pound per cubic meter = 2.146292378 carat per quart). See the formula, worked examples, and conversion table.
Pounds per Cubic Meter to Carats per Quart 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 / 0.2113376419.
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 Carats per Quart
Pound per Cubic Meter and Carat per Quart 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
carats per quart = pounds per cubic meter × 2.14629237816
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 carat per quart equals 0.211337641887 base units, so dividing one by the other gives the direct pound per cubic meter-to-carat per quart factor of 2.14629237816.
Simple example
1 lb/m3 × 2.146292378 = 2.146292378 ct/qt
1 pound per cubic meter = 2.146292378 carats per quart.
Real-world example
1,000 lb/m3 × 2.146292378 = 2,146.292378 ct/qt
1,000 pounds per cubic meter = 2,146.292378 carats per quart.
Conversion table
| Pound per Cubic Meter (lb/m3) | Carat per Quart (ct/qt) |
|---|---|
| 0.1 lb/m3 | 0.2146292378 ct/qt |
| 1 lb/m3 | 2.146292378 ct/qt |
| 10 lb/m3 | 21.46292378 ct/qt |
| 100 lb/m3 | 214.6292378 ct/qt |
| 1,000 lb/m3 | 2,146.292378 ct/qt |
| 10,000 lb/m3 | 21,462.92378 ct/qt |
Reverse conversion: Carat per Quart to Pound per Cubic Meter
2.146292378 ct/qt × 0.4659197462 = 0.9999999999 lb/m3
2.146292378 carats per quart = 0.9999999999 pounds per cubic meter.
pounds per cubic meter = carats per quart × 0.465919746151
For a page dedicated to this direction, see Carat per Quart to Pound per Cubic Meter.
Understanding the Pound per Cubic Meter (lb/m3)
Mass per volume density.
Understanding the Carat per Quart (ct/qt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many carats per quart are in 1 pound per cubic meter?
1 pound per cubic meter equals 2.146292378 carats per quart, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cubic meter to carat per quart?
Multiply the pound per cubic meter value by 2.146292378. The converter above does this instantly to whatever precision you set.
How do I convert carat per quart back to pound per cubic meter?
Use the reverse factor: 1 carat per quart equals 0.4659197462 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 carat per quart?
Carat per Quart (ct/qt) is a unit of density.
Is the pound per cubic meter to carat per quart conversion exact?
Yes. Both pound per cubic meter and carat per quart are defined by fixed standards rather than physical artifacts, so the factor of 2.146292378 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.