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: g/cm³ = kg/L × 1
Multiply any kg/L value by 1 to get g/cm³.
Reverse: kg/L = g/cm³ × 1
Common materials — factor: 1 kg/L = 1 g/cm³
| kg/L (kg/L) | g/cm³ (g/cm³) | Material |
|---|---|---|
| 0.0001 kg/L | 0.0001 g/cm³ | Gas |
| 0.001 kg/L | 0.001 g/cm³ | Light gas |
| 0.01 kg/L | 0.01 g/cm³ | Light foam |
| 0.1 kg/L | 0.1 g/cm³ | Aerogel |
| 0.7 kg/L | 0.7 g/cm³ | Petrol |
| 0.8 kg/L | 0.8 g/cm³ | Ethanol |
| 0.85 kg/L | 0.85 g/cm³ | Diesel |
| 0.917 kg/L | 0.917 g/cm³ | Ice |
| 1 kg/L | 1 g/cm³ | Water |
| 1.025 kg/L | 1.025 g/cm³ | Seawater |
| 1.36 kg/L | 1.36 g/cm³ | Honey |
| 2.7 kg/L | 2.7 g/cm³ | Aluminum |
| 7.85 kg/L | 7.85 g/cm³ | Steel |
| 11.34 kg/L | 11.34 g/cm³ | Lead |
| 19.3 kg/L | 19.3 g/cm³ | Gold |
kg/L = g/cm³ exactly.
1 kg/L = 1 g/cm³ = 1 t/m³ — numerically identical.
No calculation needed.
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.
Grams per cubic centimeter (g/cm³) equals exactly 1,000 kg/m³ and is numerically identical to g/mL and kg/L. It became popular in chemistry and materials science because water has a convenient density of exactly 1 g/cm³ at 4°C.
Specific gravity (relative density) is defined relative to water at 1 g/cm³, making g/cm³ intuitive for chemists. Gemstone density is expressed in g/cm³: diamond = 3.52 g/cm³, sapphire = 4.0 g/cm³. Metals: iron = 7.87 g/cm³, copper = 8.96 g/cm³.
Interesting fact: The human body has an average density of about 0.985 g/cm³ — just below water — which is why most people float. Fat has a density of ~0.9 g/cm³ while muscle is ~1.06 g/cm³.
Converting kg/L to g/cm³ 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 g/cm³ — a universal anchor for density comparisons.
Exact factor: 1 kg/L = 1 g/cm³. Reverse: 1 g/cm³ = 1 kg/L.
All conversions use IEEE 754 double-precision arithmetic, accurate to at least 8 significant figures.