{
  "id": "kg-m3-to-g-cm3",
  "version": "95c11b9f5a31",
  "status": "published",
  "name": "Kg/m3 to g/cm3 Converter",
  "question": "How do I convert kg/m3 to g/cm3?",
  "summary": "Converts kilograms per cubic meter (kg/m³) to grams per cubic centimeter (g/cm³) and back, with the exact unit definitions.",
  "category": "convert",
  "subcategory": "units",
  "url": "https://www.acalculator.org/convert/kg-m3-to-g-cm3",
  "markdown": "https://www.acalculator.org/convert/kg-m3-to-g-cm3.md",
  "kind": "formulas",
  "method": "g/cm³ = kg/m³ × 0.001",
  "assumptions": [
    "1 kilogram per cubic meter = 0.001 grams per cubic centimeter, from the exact definitions in NIST SP 811.",
    "Exact on the typed decimals: at most 6 decimal places (6 significant digits below 0.0001), rounded half up; an answer of 1 billion or more shows at most 15 significant digits."
  ],
  "inputs": {
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "type": "object",
    "properties": {
      "value": {
        "title": "Kilograms per cubic meter (kg/m³)",
        "description": "The amount in kilograms per cubic meter to convert.",
        "type": "number",
        "minimum": 0,
        "maximum": 1000000000000
      },
      "result": {
        "title": "Grams per cubic centimeter (g/cm³)",
        "description": "The same amount in grams per cubic centimeter.",
        "type": "number",
        "minimum": 0,
        "maximum": 1000000000
      }
    }
  },
  "solve": {
    "fillAny": 1,
    "variables": [
      "value",
      "result"
    ],
    "inputsOnly": []
  },
  "outputs": {
    "value": {
      "label": "Kilograms per cubic meter (kg/m³)",
      "description": "The amount in kilograms per cubic meter to convert.",
      "format": "number"
    },
    "result": {
      "label": "Grams per cubic centimeter (g/cm³)",
      "description": "The amount in grams per cubic centimeter.",
      "format": "number"
    }
  },
  "defaultAnswer": {
    "inputs": {
      "value": 1
    },
    "outputs": {
      "result": 0.001
    },
    "text": "1 kg/m³ = 0.001 g/cm³."
  },
  "examples": [
    {
      "given": {
        "value": 1
      },
      "expect": {
        "result": 0.001
      },
      "source": "exact unit definitions in NIST SP 811 (2008), Appendix B.8"
    },
    {
      "given": {
        "value": 1000
      },
      "expect": {
        "result": 1
      },
      "source": "exact unit definitions in NIST SP 811 (2008), Appendix B.8"
    },
    {
      "given": {
        "result": 1
      },
      "expect": {
        "value": 1000
      },
      "source": "exact unit definitions in NIST SP 811 (2008), Appendix B.8"
    }
  ],
  "sources": [
    "NIST SP 811 (2008), Guide for the Use of the International System of Units, Appendix B.8: Factors for Units Listed Alphabetically (bold factors are exact), retrieved 2026-10-19. https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b8",
    "NIST SP 811 (2008), Chapter 4, Table 5: SI prefixes (kilo 10³, centi 10⁻², milli 10⁻³), retrieved 2026-10-19. https://www.nist.gov/pml/special-publication-811/nist-guide-si-chapter-4-two-classes-si-units-and-si-prefixes",
    "Tanaka, M. et al. (2001), Recommended table for the density of water between 0 °C and 40 °C based on recent experimental reports, Metrologia 38, 301–309: pure water 999.9749 kg/m³ at 4 °C and 998.2067 kg/m³ at 20 °C, retrieved 2026-10-19. https://doi.org/10.1088/0026-1394/38/4/3"
  ],
  "related": [
    "g-cm3-to-kg-m3",
    "kg-m3-to-lb-ft3"
  ],
  "changelog": []
}