Density Converter
Convert density between kg/m³, g/cm³, lb/ft³, and lb/in³.
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- Accurate results
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- Works on all devices
Enter a density value and choose a from/to unit to convert between kg/m³, g/cm³, and lb/ft³.
Your result
1,000
Converted value
AI explanation
Formula
Converted value = amount × (from-unit-to-kg/m3 factor) ÷ (to-unit-to-kg/m3 factor)Worked example
1 gram per cubic centimeter to kg/m³ (density of water)
| Field | Value |
|---|---|
| Amount | 1 |
| From unit | gcm3 |
| To unit | kgm3 |
| Converted value | 1000 |
Assumptions
- Pound-based density units use the international avoirdupois pound (0.45359237 kg) combined with exact foot/inch-to-meter constants.
Frequently asked questions
What is the density of water in these units?
Water is 1 g/cm³, which equals exactly 1,000 kg/m³ — a useful reference point when checking whether a material floats or sinks.
Why does density matter for cooking or material conversions?
Density is needed to convert between weight and volume for a specific ingredient or material (e.g. grams of flour per cup) — this calculator converts density units themselves, not weight to volume for a specific substance.
How is g/cm³ related to specific gravity?
Specific gravity is a substance's density divided by water's density (1 g/cm³) — so a density in g/cm³ numerically equals specific gravity for most everyday purposes.