Mass per volume density.
Carats per Quart to Kilograms per Cubic Meter Converter — ct/qt to kg/m3
Convert Carat per Quart (ct/qt) to Kilogram per Cubic Meter (kg/m3) using the exact conversion factor (1 carat per quart = 0.2113376419 kilogram per cubic meter). See the formula, worked examples, conversion table, and common uses.
Carats per Quart to Kilograms 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 0.2113376419 / 1.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Carats per Quart to Kilograms per Cubic Meter
Carat per Quart and Kilogram 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
kilograms per cubic meter = carats per quart × 0.211337641887
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per quart equals 0.211337641887 base units, and 1 kilogram per cubic meter equals 1 base unit, so dividing one by the other gives the direct carat per quart-to-kilogram per cubic meter factor of 0.211337641887.
Simple example
1 ct/qt × 0.2113376419 = 0.2113376419 kg/m3
1 carat per quart = 0.2113376419 kilograms per cubic meter.
Real-world example
1,000 ct/qt × 0.2113376419 = 211.3376419 kg/m3
1,000 carats per quart = 211.3376419 kilograms per cubic meter.
Conversion table
| Carat per Quart (ct/qt) | Kilogram per Cubic Meter (kg/m3) |
|---|---|
| 0.1 ct/qt | 0.0211337642 kg/m3 |
| 1 ct/qt | 0.2113376419 kg/m3 |
| 10 ct/qt | 2.113376419 kg/m3 |
| 100 ct/qt | 21.13376419 kg/m3 |
| 1,000 ct/qt | 211.3376419 kg/m3 |
| 10,000 ct/qt | 2,113.376419 kg/m3 |
Reverse conversion: Kilogram per Cubic Meter to Carat per Quart
0.2113376419 kg/m3 × 4.73176473 = 1 ct/qt
0.2113376419 kilograms per cubic meter = 1 carats per quart.
carats per quart = kilograms per cubic meter × 4.73176473
For a page dedicated to this direction, see Kilogram per Cubic Meter to Carat per Quart.
Understanding the Carat per Quart (ct/qt)
Mass per volume density.
Understanding the Kilogram per Cubic Meter
Kilogram per Cubic Meter (kg/m3) measures density. The SI coherent unit for density — the form all other metric density/concentration units in this catalog are ultimately defined relative to. It is classified as a SI coherent derived unit.
Where it's used: Universal — the official SI unit for density, used throughout physics and engineering worldwide
kg/m³ vs. g/L vs. kg/L. All three are exactly related: 1 kg/m³ = 1 g/L, and 1,000 kg/m³ = 1 kg/L. kg/m³ is the formal SI-coherent form; g/L and kg/L are more commonly used in everyday and laboratory contexts.
Uses of the Kilogram per Cubic Meter today
- Physics and engineering reference density values
- Material property tables in scientific literature
- Fluid dynamics and structural engineering calculations
Kilogram per Cubic Meter — sources
- BIPM SI Brochure, 9th edition — Kilogram per cubic meter as the SI coherent derived unit for density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilograms per cubic meter are in 1 carat per quart?
1 carat per quart equals 0.2113376419 kilograms per cubic meter, using the exact defined conversion factor rather than an estimate.
How do I convert carat per quart to kilogram per cubic meter?
Multiply the carat per quart value by 0.2113376419. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per cubic meter back to carat per quart?
Use the reverse factor: 1 kilogram per cubic meter equals 4.73176473 carats per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per quart?
Carat per Quart (ct/qt) is a unit of density.
What is a kilogram per cubic meter?
Kilogram per Cubic Meter (kg/m3) measures density. The SI coherent unit for density — the form all other metric density/concentration units in this catalog are ultimately defined relative to. It is classified as a SI coherent derived unit.
Is the carat per quart to kilogram per cubic meter conversion exact?
Yes. Both carat per quart and kilogram per cubic meter are defined by fixed standards rather than physical artifacts, so the factor of 0.2113376419 used above is exact to as many digits as you choose to display.
What is the difference between kg/m³ vs. g/l vs. kg/l?
All three are exactly related: 1 kg/m³ = 1 g/L, and 1,000 kg/m³ = 1 kg/L. kg/m³ is the formal SI-coherent form; g/L and kg/L are more commonly used in everyday and laboratory contexts.