{
  "id": "investment-calculator",
  "version": "7.1.0",
  "name": "Investment Calculator",
  "shortName": "Investment",
  "description": "Project the growth of your investments over time with compound interest.",
  "category": "Finance",
  "categorySlug": "finance",
  "keywords": [
    "investment"
  ],
  "status": "live",
  "workStatus": "pending",
  "reviewStatus": "pending",
  "migrationStatus": "migrated",
  "migratedDate": "2026-08-18",
  "engine": "legacy-react",
  "creator": null,
  "reviewer": null,
  "quality": {
    "availability": "live",
    "technicalReviewRecord": "/reviews/investment-calculator.json",
    "qualifiedReview": "pending",
    "qualifiedReviewer": null,
    "qualifiedReviewDate": null,
    "formulaVersion": "7.1.0",
    "referenceCoverage": "references-pending",
    "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.",
    "historicalMetadataDate": "2026-08-18",
    "historicalMetadataNotice": "The imported date is not evidence of a completed human review."
  },
  "notice": "Contributions are added at month end. Partial years round to the nearest month. Investment returns are hypothetical and may be negative; taxes, fees and inflation are not included.",
  "urls": {
    "page": "/calculator/investment-calculator/",
    "definition": "/calculator/investment-calculator/definition.json",
    "schema": "/calculator/investment-calculator/schema.json",
    "llms": "/calculator/investment-calculator/llms.txt",
    "legacyDefinition": "/calculator/investment-calculator.json"
  },
  "queryExample": "https://askcalculators.com/calculator/investment-calculator/?startAmount=10000&monthlyContrib=500&rate=7&years=10",
  "queryParameters": {
    "startAmount": {
      "label": "Starting Amount",
      "type": "number",
      "required": false,
      "default": 10000
    },
    "monthlyContrib": {
      "label": "Monthly Contribution",
      "type": "number",
      "required": false,
      "default": 500
    },
    "rate": {
      "label": "Return Rate",
      "type": "number",
      "required": false,
      "default": 7
    },
    "years": {
      "label": "Time Period (Years)",
      "type": "number",
      "required": false,
      "default": 10
    }
  },
  "inputs": [
    {
      "id": "startAmount",
      "label": "Starting Amount",
      "type": "number",
      "defaultValue": 10000
    },
    {
      "id": "monthlyContrib",
      "label": "Monthly Contribution",
      "type": "number",
      "defaultValue": 500
    },
    {
      "id": "rate",
      "label": "Return Rate",
      "type": "number",
      "defaultValue": 7
    },
    {
      "id": "years",
      "label": "Time Period (Years)",
      "type": "number",
      "defaultValue": 10
    }
  ],
  "outputs": [
    {
      "id": "result",
      "label": "Result",
      "format": "text",
      "primary": true
    }
  ],
  "formula": {
    "expression": "Months = round(years × 12). Each month: balance = balance × (1 + annual nominal return / 1200) + monthly contribution.",
    "note": "Contributions occur at month end. Partial years round to the nearest month; the annual nominal percentage is divided by 12. Taxes, fees and inflation are excluded; returns are scenarios, not predictions."
  },
  "examples": [
    {
      "label": "Reproducible default-input example (not a personal recommendation)",
      "inputs": {
        "startAmount": 10000,
        "monthlyContrib": 500,
        "rate": 7,
        "years": 10
      }
    }
  ],
  "sources": []
}