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Mass Calculator

Calculate mass from density and volume, or convert between mass and weight.

Mass from Density & Volume

Calculated Mass
kg

Quick Reference

Water density: 1 g/cm³ or 1000 kg/m³
Air density (sea level): ~1.225 kg/m³

Mass Calculator Guide

How This Calculator Works

This calculator uses the fundamental relationship between mass, density, and volume.

Key Formula

Mass = Density × Volume

Common Density Values

  • Water (liquid): 1 g/cm³ or 1000 kg/m³
  • Air (sea level): ~1.225 kg/m³
  • Steel: ~7.85 g/cm³
  • Aluminum: ~2.7 g/cm³
  • Wood (oak): ~0.7 g/cm³

Important Notes

  • Make sure density and volume units are consistent.
  • For irregular shapes, you may need to measure volume using displacement.
  • This calculator assumes uniform density throughout the object.