Conversion Formula
$$\rho_{\text{lb/in³}} = \rho_{\text{g/cm³}} \times 0.036127$$
Multiply g/cm³ by 0.036127 to get lb/in³.
g/cm³ to lb/in³ Conversion Table
| Gram per Cubic Centimeter (g/cm³) | Pound per Cubic Inch (lb/in³) |
|---|---|
| 0.1 | 0.00361273 |
| 0.5 | 0.0180637 |
| 1 | 0.0361273 |
| 2 | 0.0722546 |
| 5 | 0.180637 |
| 10 | 0.361273 |
| 25 | 0.903182 |
| 50 | 1.80636 |
| 100 | 3.61273 |
| 250 | 9.03182 |
| 500 | 18.0636 |
| 1,000 | 36.1273 |
g/cm³ to lb/in³ in Engineering
Density conversions are critical for fluid mechanics, material selection, concrete mix design, and petroleum engineering. Specific gravity (relative to water at 4°C) is commonly used as a dimensionless density ratio across all disciplines.
Gram per Cubic Centimeter: Common metric density unit. Water = 1.0 g/cm³. Numerically equal to specific gravity. Used in material science.
Pound per Cubic Inch: Used for metal and material densities in mechanical design. Steel ≈ 0.284 lb/in³.