curl --request POST \
  --url https://api.iotools.cloud/v1/tool/plate-weight-calculator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "units": "metric",
  "shape": "rectangle",
  "length": "2000",
  "width": "1000",
  "diameter": "",
  "innerDiameter": "",
  "thickness": "10",
  "material": "carbon-steel",
  "density": "",
  "quantity": "1"
}
'

{
  "tool": "plate-weight-calculator",
  "tool_version": "1.0.1",
  "outputs": {
    "results": [
      {
        "metric": "Weight (each)",
        "value": "157.0 kg (346.1 lb)"
      },
      {
        "metric": "Volume (each)",
        "value": "20,000 cm³ (1,220 in³)"
      },
      {
        "metric": "Weight Force (each)",
        "value": "1,540 N (346.1 lbf)"
      },
      {
        "metric": "Surface Area (each, all faces)",
        "value": "4.060 m² (43.70 ft²)"
      },
      {
        "metric": "Density Used",
        "value": "7,850 kg/m³ (490.1 lb/ft³)"
      }
    ]
  },
  "credits_used": 3,
  "credits_remaining": null
}