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Density Converter
Convert between kg/m³, g/cm³, lb/ft³, g/mL, slug/ft³, and more. Enter a value and select units to convert instantly.
From
To
Conversion Result
kg/m³: 1000
g/cm³: 1.000000
All Conversions
| Unit | Value |
|---|---|
| kg/m³ | 1000.000000 |
| g/cm³ | 1.000000 |
| g/mL | 1.000000 |
| kg/L | 1.000000 |
| lb/ft³ | 62.427961 |
| lb/in³ | 0.036127 |
| oz/ft³ | 998.847369 |
| oz/gal (US) | 133.526486 |
| lb/gal (US) | 8.345404 |
| slug/ft³ | 1.940320 |
| t/m³ | 1.000000 |
Common Density Reference Values
| Material | Density |
|---|---|
| Water density | 1,000 kg/m³ = 1 g/cm³ = 62.428 lb/ft³ |
| Air density (sea level) | 1.225 kg/m³ = 0.0765 lb/ft³ |
| Iron density | 7,874 kg/m³ = 491.5 lb/ft³ |
| Lead density | 11,340 kg/m³ = 708 lb/ft³ |
| Gold density | 19,320 kg/m³ = 1,206 lb/ft³ |
| Gasoline density | 737 kg/m³ = 46 lb/ft³ |
| Wood (oak) density | 750 kg/m³ = 46.8 lb/ft³ |
| Mercury density | 13,534 kg/m³ = 845 lb/ft³ |
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Frequently Asked Questions
- How do I convert kg/m³ to g/cm³?
- Divide kg/m³ by 1,000. For example, 1,000 kg/m³ / 1000 = 1 g/cm³.
- How do I convert g/cm³ to kg/m³?
- Multiply g/cm³ by 1,000. For example, 1 g/cm³ x 1000 = 1,000 kg/m³.
- How do I convert lb/ft³ to kg/m³?
- Multiply lb/ft³ by 16.0185. For example, 62.428 lb/ft³ x 16.0185 = 1,000 kg/m³.
- How do I convert kg/m³ to lb/ft³?
- Divide kg/m³ by 16.0185. For example, 1,000 kg/m³ / 16.0185 = 62.428 lb/ft³.
- What is density?
- Density is mass per unit volume, typically expressed in kg/m³ (SI) or g/cm³. Formula: ρ = m/V.
- What is the density of water?
- The density of water at 4°C is 1,000 kg/m³ (1 g/cm³, 62.428 lb/ft³). This is the standard reference density.
- What is specific gravity?
- Specific gravity is the ratio of a substance's density to the density of water. It is unitless. SG = ρ_substance / ρ_water.
- How do I convert g/mL to kg/m³?
- 1 g/mL = 1,000 kg/m³. Multiply g/mL by 1,000.
- How do I convert kg/L to g/cm³?
- 1 kg/L = 1 g/cm³. They are equivalent units.
- How do I convert oz/gal to kg/m³?
- Multiply oz/gal (US) by 7.48915. For example, 133.5 oz/gal x 7.48915 = 1,000 kg/m³.
- How do I convert lb/gal to kg/m³?
- Multiply lb/gal (US) by 119.826. For example, 8.345 lb/gal x 119.826 = 1,000 kg/m³.
- How does temperature affect density?
- Most substances expand when heated, decreasing density. Water is densest at 4°C.
- What is the formula for density?
- ρ = m / V, where ρ is density, m is mass, and V is volume. Units: kg/m³, g/cm³, lb/ft³.
- How do I calculate mass from density?
- Mass = density × volume. For example, 1 m³ of water (1,000 kg/m³) has a mass of 1,000 kg.
- How do I calculate volume from density?
- Volume = mass / density. For example, 1,000 kg of water / (1,000 kg/m³) = 1 m³.
- What is the density of air?
- Air density at sea level and 15°C is about 1.225 kg/m³ (0.0765 lb/ft³). It decreases with altitude.
- What is the density of gold?
- Gold has a density of 19,320 kg/m³ (19.32 g/cm³, 1,206 lb/ft³). It is one of the densest metals.
- What is the density of mercury?
- Mercury has a density of 13,534 kg/m³ (13.534 g/cm³, 845 lb/ft³) at room temperature.
- How do I convert oz/ft³ to kg/m³?
- Multiply oz/ft³ by 1.00115. For example, 62.428 oz/ft³ x 1.00115 = approximately 62.5 kg/m³.
- How do I convert slug/ft³ to kg/m³?
- Multiply slug/ft³ by 515.379. For example, 1.94 slug/ft³ x 515.379 = 1,000 kg/m³.
- What is the difference between density and specific weight?
- Density is mass/volume (kg/m³). Specific weight is weight/volume (N/m³). Specific weight = density × gravity.
- How do I find the density of a mixture?
- Total mass divided by total volume. For two substances: ρ_mix = (m₁ + m₂) / (V₁ + V₂).
- What is the density of sea water?
- Seawater density is about 1,025 kg/m³ (1.025 g/cm³, 64 lb/ft³), slightly denser than fresh water due to salt.
- What is the density of hydrogen?
- Hydrogen gas has a density of 0.08988 kg/m³ at STP, making it the least dense element.
- How do I convert t/m³ to kg/m³?
- Multiply t/m³ by 1,000. For example, 1 t/m³ = 1,000 kg/m³.
- What is the densest naturally occurring element?
- Osmium has the highest density at 22,590 kg/m³ (22.59 g/cm³). Iridium is second at 22,560 kg/m³.
- How does pressure affect density?
- Increasing pressure compresses materials, increasing density. Gases are highly compressible; liquids and solids are nearly incompressible.
- Why does ice float on water?
- Ice has a density of about 917 kg/m³, lower than liquid water (1,000 kg/m³), so it floats.
- How do I convert between g/cm³ and lb/ft³?
- Multiply g/cm³ by 62.428. For example, 1 g/cm³ x 62.428 = 62.428 lb/ft³.
- How do I convert between lb/ft³ and g/cm³?
- Divide lb/ft³ by 62.428. For example, 62.428 lb/ft³ / 62.428 = 1 g/cm³.