{
  "id": "UN161",
  "name": "acceleration of free fall, standard (gn)",
  "ml_name": "ip_g_0",
  "symbol": "g_0",
  "reference": "https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b8#A"
}