About this tool Convert between unit weight and density units commonly used in geotechnical engineering. This tool handles both force-based unit weight (kN/m³) and mass-based density (kg/m³, g/cm³) with automatic conversion using standard gravity.
Revision history 17 March 2026: Initial release
Disclaimer This tool is provided for educational and general information purposes only. It is not a substitute for professional engineering advice, design or verification.
Diggy and its contributors are not licensed engineering consultants and no results generated by this tool should be used directly for construction, design or safety-critical decisions.
All values and outputs are based on published empirical correlations and should be independently checked and confirmed by a qualified geotechnical engineer before use.
By using this tool, you accept full responsibility for how you interpret and apply the information provided.
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