Density conversion
7 units, with kg/m³ as the base. Every value in the factor tables is the number you multiply by, so reading across a row converts out of that unit and reading down a column converts into it.
Factor tables
Metric units
| from \ to | kg/m³ | g/cm³ | g/mL | kg/L |
|---|---|---|---|---|
| kg/m³ | 1 | 0.001 | 0.001 | 0.001 |
| g/cm³ | 1000 | 1 | 1 | 1 |
| g/mL | 1000 | 1 | 1 | 1 |
| kg/L | 1000 | 1 | 1 | 1 |
US and imperial units
| from \ to | lb/ft³ | lb/in³ | lb/US gal | kg/m³ | g/cm³ |
|---|---|---|---|---|---|
| lb/ft³ | 1 | 5.78704 × 10⁻⁴ | 0.133681 | 16.0185 | 0.0160185 |
| lb/in³ | 1728 | 1 | 231 | 27,679.9 | 27.6799 |
| lb/US gal | 7.48052 | 0.004329 | 1 | 119.826 | 0.119826 |
| kg/m³ | 0.062428 | 3.61273 × 10⁻⁵ | 0.0083454 | 1 | 0.001 |
| g/cm³ | 62.428 | 0.0361273 | 8.3454 | 1000 | 1 |
The values are facts and free to use; this table’s selection and presentation are © 2026 ScienceQuest.
Common conversions
g/cm³ to kg/m³
1 g/cm³ = 1000 kg/m³. In reverse, 1 kg/m³ = 0.001 g/cm³.
| g/cm³ | kg/m³ |
|---|---|
| 1 | 1000 |
| 5 | 5000 |
| 10 | 10,000 |
| 50 | 50,000 |
| 100 | 100,000 |
| 500 | 500,000 |
lb/ft³ to kg/m³
1 lb/ft³ = 16.0185 kg/m³. In reverse, 1 kg/m³ = 0.062428 lb/ft³.
| lb/ft³ | kg/m³ |
|---|---|
| 1 | 16.0185 |
| 5 | 80.0923 |
| 10 | 160.185 |
| 50 | 800.923 |
| 100 | 1601.85 |
| 500 | 8009.23 |
g/cm³ to lb/ft³
1 g/cm³ = 62.428 lb/ft³. In reverse, 1 lb/ft³ = 0.0160185 g/cm³.
| g/cm³ | lb/ft³ |
|---|---|
| 1 | 62.428 |
| 5 | 312.14 |
| 10 | 624.28 |
| 50 | 3121.4 |
| 100 | 6242.8 |
| 500 | 31,214 |
Worked example
- 1 g/cm³ in kg/m³
- = 1 × 1000
- = 1000 kg/m³
Convert a number
The tables give the factor; the unit converter does the arithmetic, remembers the units you picked, and turns any conversion into a link you can share.