Convert density units — kg/m³, g/cm³, lb/ft³, lb/in³ and more.
| Unit | Name | Value |
|---|---|---|
| kg/m³ | Kilogram/Cubic Meter | 1000 |
| g/cm³ | Gram/Cubic Centimeter | 1 |
| lb/ft³ | Pound/Cubic Foot | 62.427818 |
| lb/in³ | Pound/Cubic Inch | 0.036127298 |
| oz/in³ | Ounce/Cubic Inch | 0.57803802 |
| t/m³ | Tonne/Cubic Meter | 1 |
Formula: tonne/m³ = kg/L × 1
Multiply any kg/L value by 1 to get tonne/m³.
Reverse: kg/L = tonne/m³ × 1
Common materials — factor: 1 kg/L = 1 t/m³
| kg/L (kg/L) | tonne/m³ (t/m³) | Material |
|---|---|---|
| 0.0001 kg/L | 0.0001 t/m³ | Gas |
| 0.001 kg/L | 0.001 t/m³ | Light gas |
| 0.01 kg/L | 0.01 t/m³ | Light foam |
| 0.1 kg/L | 0.1 t/m³ | Aerogel |
| 0.7 kg/L | 0.7 t/m³ | Petrol |
| 0.8 kg/L | 0.8 t/m³ | Ethanol |
| 0.85 kg/L | 0.85 t/m³ | Diesel |
| 0.917 kg/L | 0.917 t/m³ | Ice |
| 1 kg/L | 1 t/m³ | Water |
| 1.025 kg/L | 1.025 t/m³ | Seawater |
| 1.36 kg/L | 1.36 t/m³ | Honey |
| 2.7 kg/L | 2.7 t/m³ | Aluminum |
| 7.85 kg/L | 7.85 t/m³ | Steel |
| 11.34 kg/L | 11.34 t/m³ | Lead |
| 19.3 kg/L | 19.3 t/m³ | Gold |
1 kg/L = 1 t/m³.
Water = 1,000 kg/m³ = 1 g/cm³ = 1 kg/L = 62.4 lb/ft³ = 0.0361 lb/in³.
Multiply result by 1 to recover the original kg/L value.
Compares material densities to optimize weight-to-strength ratios in product design.
Calculates dead loads from material densities for structural design in kg/m³ and lb/ft³.
Selects lightweight materials (aluminum, titanium, composites) based on density in g/cm³ or lb/in³.
Measures crude oil and drilling fluid density in kg/m³ or lb/ft³ for reservoir engineering.
Measures soil and rock bulk density in t/m³ for foundation and slope stability analysis.
Uses density in g/cm³ for solution concentration, specific gravity, and process design calculations.
Kilograms per liter (kg/L) is numerically identical to g/cm³ and 1,000 kg/m³. It is widely used in the fuel industry — diesel density is about 0.82–0.85 kg/L, petrol 0.71–0.77 kg/L — and in the food and beverage industry.
Fuel efficiency calculations require density in kg/L to convert between volume (liters sold) and mass (kilograms of fuel burned). Honey density is about 1.36 kg/L; olive oil 0.91 kg/L; seawater 1.025 kg/L.
Interesting fact: Liquid hydrogen, the most energy-dense rocket fuel by mass, has a density of only 0.071 kg/L — about 14 times less dense than water, requiring enormous tanks despite its high energy content.
Tonnes per cubic meter (t/m³) equals 1,000 kg/m³ and is numerically identical to g/cm³ and kg/L. It is used in mining, geology, bulk materials handling, and geotechnical engineering where material quantities are measured in metric tonnes.
Mining and civil engineering use t/m³ extensively: crushed rock = 1.6 t/m³, sand = 1.5–1.7 t/m³, concrete = 2.3 t/m³, iron ore = 5.0 t/m³. Soil density (bulk density) is typically 1.2–1.8 t/m³ depending on compaction.
Interesting fact: The density of Earth's crust averages about 2.7 t/m³; the mantle 3.3–5.6 t/m³; the core 9.9–13 t/m³. The average density of the entire Earth is 5.515 t/m³ — about 5.5 times denser than water.
Converting kg/L to tonne/m³ is common in materials science, engineering, and manufacturing. SI units (kg/m³, g/cm³) are standard in scientific and metric engineering contexts, while Imperial units (lb/ft³, lb/in³) are used in US construction and aerospace. Water at 4°C = 1 kg/L = 1 tonne/m³ — a universal anchor for density comparisons.
Exact factor: 1 kg/L = 1 t/m³. Reverse: 1 t/m³ = 1 kg/L.
All conversions use IEEE 754 double-precision arithmetic, accurate to at least 8 significant figures.