Cm to Grams Calculator
Convert length measurements to weight using shape and material density.
Convert dimensional measurements to weight by calculating volume and applying material density. Perfect for students, manufacturers, and anyone working with materials and measurements.
Dimensional Weight Converter
Choose conversion direction
Select object shape for volume calculation
Length of one side in cm
Material density in grams per cubic centimeter
Weight Calculation Results
Select shape, enter dimensions and density, then click "Calculate"
to see weight conversion results
Cm to Grams Conversion
Centimeters and grams are different types of measurements—centimeters measure length while grams measure weight. To convert between them meaningfully, you need to calculate the volume of the object first, then multiply by the material's density. This calculator handles all the complex volume calculations automatically based on the shape you select.
Whether you're a student learning about density, a manufacturer estimating material weights, or a hobbyist planning a project, this tool makes dimensional weight calculations straightforward and accurate.
Volume and Density Conversion Formulas
The conversion requires two steps: volume calculation, then weight calculation:
Common Material Density Examples
Here are density conversions for different materials and shapes:
| Material | Shape | Dimensions (cm) | Density (g/cm³) | Weight (g) |
|---|---|---|---|---|
| Water | Cube | 10 × 10 × 10 | 1.0 | 1,000 |
| Plastic | Cylinder | r=2, h=15 | 0.9 | 85 |
| Steel | Cube | 5 × 5 × 5 | 7.8 | 975 |
| Wood | Sheet | 20×10×2 | 0.6 | 240 |
| Aluminum | Sphere | r=3 | 2.7 | 306 |
| Glass | Cylinder | r=1.5, h=8 | 2.5 | 141 |
| Copper | Cube | 4 × 4 × 4 | 8.96 | 1,433 |
| Brass | Sphere | r=4 | 8.5 | 2,144 |
| Lead | Cube | 3 × 3 × 3 | 11.3 | 305 |
| Gold | Sphere | r=2 | 19.3 | 325 |
| Silver | Cylinder | r=1, h=12 | 10.5 | 394 |
| Titanium | Cube | 6 × 6 × 6 | 4.5 | 972 |
| Zinc | Sheet | 15×8×0.3 | 7.1 | 255 |
| Bronze | Cylinder | r=2, h=6 | 8.8 | 332 |
| Concrete | Cube | 8 × 8 × 8 | 2.4 | 1,229 |
| Ice | Sphere | r=5 | 0.917 | 288 |
| Rubber | Cylinder | r=3, h=4 | 1.5 | 170 |
| Foam | Cube | 12 × 12 × 12 | 0.03 | 52 |
| Carbon Fiber | Sheet | 25×15×0.2 | 1.6 | 120 |
| Marble | Sphere | r=6 | 2.7 | 2,729 |
| Granite | Cube | 7 × 7 × 7 | 2.75 | 847 |
| Brick | Sheet | 20×10×6 | 1.9 | 2,280 |
| Oak Wood | Cylinder | r=4, h=20 | 0.7 | 703 |
| Pine Wood | Cube | 9 × 9 × 9 | 0.5 | 364 |
| Balsa Wood | Sheet | 30×20×0.5 | 0.16 | 48 |
| Cork | Sphere | r=3.5 | 0.24 | 64 |
Remember that density is mass per unit volume. Different materials have different densities—water is 1.0 g/cm³, steel is about 7.8 g/cm³, and air is only 0.0012 g/cm³. The calculator uses these properties to convert your dimensional measurements into accurate weight estimates.