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Kilogram per Cubic Meter Conversion Table
This comprehensive kg/m³ conversion table shows how various units relate to kilograms per cubic meter. Use this reference for quick conversions between kg/m³ and other common density units.
| Conversion | To Unit | Multiplier |
|---|---|---|
| kg/m³ to g/cm³ | Grams per Cubic Centimeter | 0.001 |
| kg/m³ to g/mL | Grams per Milliliter | 0.001 |
| kg/m³ to lb/ft³ | Pounds per Cubic Foot | 0.06242796 |
| kg/m³ to lb/in³ | Pounds per Cubic Inch | 3.612729e-5 |
This kg/m³ conversion reference table provides accurate conversion factors for both metric (SI) units and imperial units. All values are based on internationally recognized standards for maximum precision in scientific and engineering applications.
What is Kilogram per Cubic Meter?
The kilogram per cubic meter (symbol: kg/m³) is a derived unit of density in the International System of Units (SI). It represents mass per unit volume, where one kilogram of mass is distributed in one cubic meter of space. This unit is commonly used in scientific, engineering, and industrial applications to express the density of materials, substances, and fluids.
As an SI derived unit, kg/m³ is used worldwide as the standard for measuring density. Our density conversion tool helps you easily convert between kg/m³ and other units. For example, 1 kg/m³ equals 0.001 g/cm³ or approximately 0.0624 lb/ft³.
What is the SI of Kilogram per Cubic Meter?
The kilogram per cubic meter is a derived SI unit for measuring density. It is composed of the base SI units for mass (kilogram) and length (meter). The formula for density is mass divided by volume, which in SI units becomes kg/m³:
- Density = Mass / Volume
- SI unit: kg/m³
- Other common derived units: g/cm³ = 1000 kg/m³
What are kg/m³ Used For?
Kilograms per cubic meter are used in a wide range of applications across science, engineering, commerce, and everyday life. As the SI unit for density measurement, kg/m³ provides a standard for all density conversions:
Materials Science
Measuring the density of metals, polymers, ceramics, and composites. For example, aluminum has a density of approximately 2700 kg/m³, while water has a density of 1000 kg/m³.
Chemical Engineering
Determining the concentration of solutions, flow rates in pipes, and material properties in chemical processes. For example, calculating that a 1000-liter tank of a liquid with density 850 kg/m³ contains 850 kg of material.
Construction & Architecture
Specifying the density of concrete, steel, insulation materials, and other construction materials. For example, normal concrete has a density of approximately 2400 kg/m³.
Geology
Measuring the density of rocks, minerals, and earth materials. For example, determining that granite has a typical density of 2600- 2800 kg/m³.
Etymology and History
The kilogram per cubic meter is a derived unit formed from the SI base units of mass (kilogram) and length (meter). The kilogram was originally defined in 1795 as the mass of one liter of water at its maximum density. The meter was defined in 1793 as one ten-millionth of the distance from the equator to the North Pole.
The combination of these units to form a density measure became essential in scientific and industrial applications. The current definitions of both the kilogram and meter have been refined over time to improve precision. In 2019, the kilogram was redefined based on the Planck constant, and the meter is defined in terms of the speed of light. This evolution reflects the advancement of measurement science and the need for accurate SI units.
Frequently Asked Questions
Why is kg/m³ used as a density unit?
The kg/m³ unit is used because it directly relates to the SI base units of mass (kilogram) and length (meter). This makes it the standard unit for density in the International System of Units (SI). Its definition based on fundamental physical quantities makes it universally reproducible and essential for all scientific density measurements.
How accurate is the kg/m³ definition?
The definition of kg/m³ is extremely accurate, based on the definitions of the kilogram and meter which are fundamental SI units. The kilogram is now defined in terms of the Planck constant, and the meter is defined in terms of the speed of light. This allows kg/m³ to be reproduced with very high precision, making it suitable for demanding scientific applications.
What is the relationship between kg/m³ and other density units?
kg/m³ is the SI base unit for density. Other common units are derived from it: 1 g/cm³ = 1000 kg/m³, 1 lb/ft³ ≈ 16.0185 kg/m³. These relationships make conversions between units straightforward and mathematically consistent.
How do I convert kg/m³ to other units?
Use our kg/m³ conversion calculators above, or multiply by the appropriate conversion factor. For example, to convert kg/m³ to g/cm³, multiply by 0.001; to convert kg/m³ to lb/ft³, multiply by 0.0624. For detailed instructions on converting kg/m³ to g/cm³, visit our kg/m³ to g/cm³ converter.
What are common uses for kg/m³ conversion?
kg/m³ conversion is essential in materials science (determining material properties), chemical engineering (process calculations), construction (specifying material densities), geology (measuring rock densities), and education (student assignments). Whether calculating material weights or solution concentrations, our kg/m³ converter tool simplifies these everyday tasks.
How does kg/m³ conversion differ from other density units?
As the SI derived unit for density, kg/m³ serves as the foundation for all density measurements. Other density units are defined in relation to it, making conversions mathematically straightforward. This relationship differs from non-SI units which may have more complex conversion factors.
Can I convert very small or very large density measurements in kg/m³?
Yes, our kg/m³ converter handles both extremely small and large density measurements with precision. For very low-density materials, convert to kg/m³ from units like g/L. For high-density materials, our tool maintains accuracy. Our smart rounding feature ensures readable results for all scales.
Is your kg/m³ conversion tool free to use?
Yes, our kg/m³ conversion calculator is completely free with no registration required. Simply enter your value, select your target unit, and get instant, accurate results. We believe precise measurement conversion should be accessible to everyone, from students learning about density to professionals working on complex engineering projects.