{
  "id": "market-cap",
  "version": "5d1b71c3a965",
  "status": "published",
  "name": "Market Cap Calculator",
  "question": "What is the market cap?",
  "summary": "Computes a company’s market capitalization: the share price you type × the number of shares outstanding.",
  "category": "finance",
  "subcategory": "investing",
  "url": "https://www.acalculator.org/finance/market-cap-calculator",
  "markdown": "https://www.acalculator.org/finance/market-cap-calculator.md",
  "kind": "function",
  "method": "Market cap = share price × shares outstanding.",
  "assumptions": [
    "You type the share price; nothing is fetched.",
    "Arithmetic is exact on the typed decimals; money shows to the cent, halves up."
  ],
  "inputs": {
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "type": "object",
    "properties": {
      "price": {
        "title": "Share price",
        "description": "The market price of one share. Type the price you see; the page fetches no quotes.",
        "type": "number",
        "x-unit": "USD",
        "exclusiveMinimum": 0,
        "maximum": 1000000000
      },
      "sh": {
        "title": "Shares outstanding",
        "description": "The total number of the company’s shares held by investors.",
        "type": "number",
        "exclusiveMinimum": 0,
        "maximum": 10000000000000
      }
    }
  },
  "outputs": {
    "cap": {
      "label": "Market cap",
      "description": "Share price × shares outstanding.",
      "format": "money"
    }
  },
  "defaultAnswer": {
    "inputs": {
      "price": 69.41,
      "sh": 8000
    },
    "outputs": {
      "cap": 555280
    },
    "text": "8,000 shares at $69.41 each give a market cap of $555,280.00."
  },
  "examples": [
    {
      "given": {
        "price": 69.41,
        "sh": 8000
      },
      "expect": {
        "cap": 555280
      },
      "source": "Investor.gov (U.S. Securities and Exchange Commission), glossary: Market Capitalization (the current public market price of one share × the number of total outstanding shares). https://www.investor.gov/introduction-investing/investing-basics/glossary/market-capitalization; inputs from OpenStax, Principles of Finance, 6.5 Market Value Ratios (https://openstax.org/books/principles-finance/pages/6-5-market-value-ratios); hand calculation in content.mdx: 69.41 × 8,000 = 555,280"
    },
    {
      "given": {
        "price": 25.5,
        "sh": 1200000000
      },
      "expect": {
        "cap": 30600000000
      },
      "source": "Investor.gov (U.S. Securities and Exchange Commission), glossary: Market Capitalization (the current public market price of one share × the number of total outstanding shares). https://www.investor.gov/introduction-investing/investing-basics/glossary/market-capitalization; hand calculation in content.mdx: 25.50 × 1,200,000,000 = 30,600,000,000"
    },
    {
      "given": {
        "price": 0.37,
        "sh": 2500000
      },
      "expect": {
        "cap": 925000
      },
      "source": "Investor.gov (U.S. Securities and Exchange Commission), glossary: Market Capitalization (the current public market price of one share × the number of total outstanding shares). https://www.investor.gov/introduction-investing/investing-basics/glossary/market-capitalization; hand calculation in content.mdx: 0.37 × 2,500,000 = 925,000"
    }
  ],
  "sources": [
    "Investor.gov (U.S. Securities and Exchange Commission), glossary: Market Capitalization, the current public market price of one share multiplied by the number of total outstanding shares. https://www.investor.gov/introduction-investing/investing-basics/glossary/market-capitalization (retrieved 2026-10-18)",
    "OpenStax, Principles of Finance, 6.5 Market Value Ratios: Clear Lake Sporting Goods, 8,000 common shares and a market price of $69.41 a share. https://openstax.org/books/principles-finance/pages/6-5-market-value-ratios (retrieved 2026-10-18)"
  ],
  "related": [
    "pe-ratio",
    "eps",
    "business-valuation",
    "stock"
  ],
  "changelog": []
}