{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://askcalculators.com/ca/towing-capacity/schema.json",
  "title": "Towing Rating Cross-Check Calculator — Canada inputs",
  "description": "Cross-check multiple entered weight ratings instead of treating the advertised maximum tow rating as the only limit. CAD planning view; stated limitations apply.",
  "type": "object",
  "properties": {
    "unitSystem": {
      "title": "Measurement system",
      "type": "string",
      "default": "metric",
      "enum": [
        "imperial",
        "metric"
      ],
      "x-optionLabels": {
        "imperial": "Imperial (US gallons / short tons where relevant)",
        "metric": "Metric"
      }
    },
    "gcwr": {
      "title": "Manufacturer gross combination weight rating",
      "type": "number",
      "description": "Illustrative starting value; replace with your own evidence.",
      "default": 6000,
      "minimum": 0,
      "maximum": 1000000000000,
      "x-suffix": "kg"
    },
    "loadedVehicle": {
      "title": "Actual loaded tow-vehicle weight before trailer tongue",
      "type": "number",
      "description": "Illustrative starting value; replace with your own evidence.",
      "default": 2500,
      "minimum": 0,
      "maximum": 1000000000000,
      "x-suffix": "kg"
    },
    "towRating": {
      "title": "Configuration-specific manufacturer trailer rating",
      "type": "number",
      "description": "Illustrative starting value; replace with your own evidence.",
      "default": 3000,
      "minimum": 0,
      "maximum": 1000000000000,
      "x-suffix": "kg"
    },
    "payloadRemaining": {
      "title": "Actual remaining vehicle payload",
      "type": "number",
      "description": "Illustrative starting value; replace with your own evidence.",
      "default": 500,
      "minimum": 0,
      "maximum": 1000000000000,
      "x-suffix": "kg"
    },
    "tonguePercent": {
      "title": "Measured/expected trailer tongue-weight fraction",
      "type": "number",
      "description": "Illustrative starting value; replace with your own evidence.",
      "default": 12,
      "minimum": 0,
      "maximum": 50,
      "x-step": 0.1,
      "x-unit": "percent"
    },
    "hitchTrailerLimit": {
      "title": "Hitch trailer-weight rating",
      "type": "number",
      "description": "Illustrative starting value; replace with your own evidence.",
      "default": 3000,
      "minimum": 0,
      "maximum": 1000000000000,
      "x-suffix": "kg"
    },
    "hitchTongueLimit": {
      "title": "Hitch tongue-weight rating",
      "type": "number",
      "description": "Illustrative starting value; replace with your own evidence.",
      "default": 350,
      "minimum": 0,
      "maximum": 1000000000000,
      "x-suffix": "kg"
    }
  },
  "required": [
    "gcwr",
    "loadedVehicle",
    "towRating",
    "payloadRemaining",
    "tonguePercent",
    "hitchTrailerLimit",
    "hitchTongueLimit"
  ],
  "additionalProperties": false,
  "x-askcalculators": {
    "version": "20.16.0",
    "calculatorUrl": "https://askcalculators.com/ca/towing-capacity/",
    "queryExample": "https://askcalculators.com/ca/towing-capacity/?unitSystem=metric&gcwr=6000&loadedVehicle=2500&towRating=3000&payloadRemaining=500&tonguePercent=12&hitchTrailerLimit=3000&hitchTongueLimit=350",
    "migrationStatus": "new",
    "reviewStatus": "pending",
    "pageStatus": "live",
    "workStatus": "pending",
    "formula": {
      "expression": "arithmetic trailer allowance = minimum(combination rating − loaded vehicle, vehicle tow rating, remaining payload/tongue fraction, hitch rating, hitch tongue rating/tongue fraction).",
      "note": "Inputs are converted to canonical units before evaluating this stated formula."
    },
    "quality": {
      "availability": "live",
      "technicalReviewRecord": "/reviews/v20-ca-towing-capacity.json",
      "qualifiedReview": "pending",
      "qualifiedReviewer": null,
      "qualifiedReviewDate": null,
      "formulaVersion": "20.16.0",
      "referenceCoverage": "references-listed",
      "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.",
      "historicalMetadataDate": "",
      "historicalMetadataNotice": "The imported date is not evidence of a completed human review."
    },
    "outputs": {
      "combinationLimit": {
        "title": "Trailer allowance from combination rating",
        "type": "number",
        "x-format": "number",
        "x-digits": 2
      },
      "payloadLimit": {
        "title": "Trailer allowance from remaining payload",
        "type": "number",
        "x-format": "number",
        "x-digits": 2
      },
      "hitchLimit": {
        "title": "Trailer allowance from hitch tongue rating",
        "type": "number",
        "x-format": "number",
        "x-digits": 2
      },
      "limitingWeight": {
        "title": "Lowest entered arithmetic trailer allowance",
        "type": "number",
        "x-format": "number",
        "x-digits": 2,
        "x-primary": true
      }
    }
  }
}