[
  {
    "name": "hertz",
    "symbol": "Hz",
    "quantity": "frequency",
    "expression": "s⁻¹"
  },
  {
    "name": "radian",
    "symbol": "rad",
    "quantity": "plane angle",
    "expression": "m/m"
  },
  {
    "name": "steradian",
    "symbol": "sr",
    "quantity": "solid angle",
    "expression": "m²/m²"
  },
  {
    "name": "newton",
    "symbol": "N",
    "quantity": "force",
    "expression": "kg·m·s⁻²"
  },
  {
    "name": "pascal",
    "symbol": "Pa",
    "quantity": "pressure, stress",
    "expression": "kg·m⁻¹·s⁻²"
  },
  {
    "name": "joule",
    "symbol": "J",
    "quantity": "energy, work, heat",
    "expression": "kg·m²·s⁻²"
  },
  {
    "name": "watt",
    "symbol": "W",
    "quantity": "power, radiant flux",
    "expression": "kg·m²·s⁻³"
  },
  {
    "name": "coulomb",
    "symbol": "C",
    "quantity": "electric charge",
    "expression": "A·s"
  },
  {
    "name": "volt",
    "symbol": "V",
    "quantity": "electric potential, voltage, emf",
    "expression": "kg·m²·s⁻³·A⁻¹"
  },
  {
    "name": "farad",
    "symbol": "F",
    "quantity": "capacitance",
    "expression": "kg⁻¹·m⁻²·s⁴·A²"
  },
  {
    "name": "ohm",
    "symbol": "Ω",
    "quantity": "electrical resistance, impedance, reactance",
    "expression": "kg·m²·s⁻³·A⁻²"
  },
  {
    "name": "siemens",
    "symbol": "S",
    "quantity": "electrical conductance",
    "expression": "kg⁻¹·m⁻²·s³·A²"
  },
  {
    "name": "weber",
    "symbol": "Wb",
    "quantity": "magnetic flux",
    "expression": "kg·m²·s⁻²·A⁻¹"
  },
  {
    "name": "tesla",
    "symbol": "T",
    "quantity": "magnetic flux density",
    "expression": "kg·s⁻²·A⁻¹"
  },
  {
    "name": "henry",
    "symbol": "H",
    "quantity": "inductance",
    "expression": "kg·m²·s⁻²·A⁻²"
  },
  {
    "name": "degree Celsius",
    "symbol": "°C",
    "quantity": "Celsius temperature",
    "expression": "K"
  },
  {
    "name": "lumen",
    "symbol": "lm",
    "quantity": "luminous flux",
    "expression": "cd·sr"
  },
  {
    "name": "lux",
    "symbol": "lx",
    "quantity": "illuminance",
    "expression": "cd·sr·m⁻²"
  },
  {
    "name": "becquerel",
    "symbol": "Bq",
    "quantity": "activity of a radionuclide",
    "expression": "s⁻¹"
  },
  {
    "name": "gray",
    "symbol": "Gy",
    "quantity": "absorbed dose, specific energy, kerma",
    "expression": "m²·s⁻²"
  },
  {
    "name": "sievert",
    "symbol": "Sv",
    "quantity": "dose equivalent, ambient dose equivalent",
    "expression": "m²·s⁻²"
  },
  {
    "name": "katal",
    "symbol": "kat",
    "quantity": "catalytic activity",
    "expression": "mol·s⁻¹"
  }
]