{
  "id": "UN151",
  "name": "gallon (U.S.)",
  "ml_name": "ip_gal_{US}",
  "symbol": "gal",
  "reference": "https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b8#G"
}