{
  "id": "gravitational-constant",
  "label": "Newtonian constant of gravitation",
  "symbol": "G",
  "quantity": {
    "value": 6.6743e-11,
    "unit": "m^3 kg^-1 s^-2",
    "uncertainty": 1.5e-15,
    "asOf": "2018-06-01",
    "source": {
      "name": "CODATA",
      "url": "https://physics.nist.gov/cuu/Constants/"
    }
  },
  "sameAs": [
    "https://www.wikidata.org/entity/Q219074"
  ],
  "tags": [
    "physics",
    "gravity",
    "constant"
  ]
}