Mass per volume density.
Pounds per Quart to Kilograms per Cubic Meter Converter — lb/qt to kg/m3
Convert Pound per Quart (lb/qt) to Kilogram per Cubic Meter (kg/m3) using the exact conversion factor (1 pound per quart = 479.3057093 kilogram per cubic meter). See the formula, worked examples, conversion table, and common uses.
Pounds 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 479.3057093 / 1.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Quart to Kilograms per Cubic Meter
Pound 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 = pounds per quart × 479.305709268
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per quart equals 479.305709268 base units, and 1 kilogram per cubic meter equals 1 base unit, so dividing one by the other gives the direct pound per quart-to-kilogram per cubic meter factor of 479.305709268.
Simple example
1 lb/qt × 479.3057093 = 479.3057093 kg/m3
1 pound per quart = 479.3057093 kilograms per cubic meter.
Real-world example
1,000 lb/qt × 479.3057093 = 479,305.7093 kg/m3
1,000 pounds per quart = 479,305.7093 kilograms per cubic meter.
Conversion table
| Pound per Quart (lb/qt) | Kilogram per Cubic Meter (kg/m3) |
|---|---|
| 0.1 lb/qt | 47.93057093 kg/m3 |
| 1 lb/qt | 479.3057093 kg/m3 |
| 10 lb/qt | 4,793.057093 kg/m3 |
| 100 lb/qt | 47,930.57093 kg/m3 |
| 1,000 lb/qt | 479,305.7093 kg/m3 |
| 10,000 lb/qt | 4,793,057.093 kg/m3 |
Reverse conversion: Kilogram per Cubic Meter to Pound per Quart
479.3057093 kg/m3 × 0.002086351113 = 1 lb/qt
479.3057093 kilograms per cubic meter = 1 pounds per quart.
pounds per quart = kilograms per cubic meter × 0.002086351113
For a page dedicated to this direction, see Kilogram per Cubic Meter to Pound per Quart.
Understanding the Pound per Quart (lb/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 pound per quart?
1 pound per quart equals 479.3057093 kilograms per cubic meter, using the exact defined conversion factor rather than an estimate.
How do I convert pound per quart to kilogram per cubic meter?
Multiply the pound per quart value by 479.3057093. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per cubic meter back to pound per quart?
Use the reverse factor: 1 kilogram per cubic meter equals 0.0020863511 pounds per quart. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per quart?
Pound per Quart (lb/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 pound per quart to kilogram per cubic meter conversion exact?
Yes. Both pound per quart and kilogram per cubic meter are defined by fixed standards rather than physical artifacts, so the factor of 479.3057093 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.