{
  "id": "share-of-voice",
  "version": "a6640198155f",
  "status": "published",
  "name": "Share of Voice Calculator",
  "question": "What is my share of voice?",
  "summary": "Computes share of voice (SOV): your brand’s mentions, impressions, clicks or ad spend as a percent of the total for your brand and its competitors, with the largest competitor’s share and your rank.",
  "category": "finance",
  "subcategory": "business",
  "url": "https://www.acalculator.org/finance/share-of-voice-calculator",
  "markdown": "https://www.acalculator.org/finance/share-of-voice-calculator.md",
  "kind": "function",
  "method": "Share of voice = your brand ÷ (your brand + every competitor) × 100; competitors’ share = 100 − share of voice; largest competitor’s share = its figure ÷ the total × 100.",
  "assumptions": [
    "Every figure uses the same measure (mentions, impressions, clicks or ad spend), the same channels and the same period.",
    "The total market is your brand plus the competitors you enter; brands you leave out do not count.",
    "Arithmetic is exact on the typed decimals; the shares show to 2 decimals."
  ],
  "inputs": {
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "type": "object",
    "properties": {
      "brand": {
        "title": "Your brand",
        "description": "Your brand’s mentions, impressions, clicks or ad spend in the period.",
        "type": "number",
        "minimum": 0,
        "maximum": 1000000000000
      },
      "competitors": {
        "title": "Competitors",
        "description": "The same measure for each competitor, in the same period, separated by commas, spaces or new lines.",
        "type": "array",
        "items": {
          "type": "number"
        }
      }
    }
  },
  "outputs": {
    "sov": {
      "label": "Share of voice",
      "description": "Your brand ÷ the total for every brand × 100.",
      "format": "percent"
    },
    "total": {
      "label": "Total for the market",
      "description": "Your brand plus every competitor.",
      "format": "number"
    },
    "others": {
      "label": "Competitors’ share",
      "description": "Every competitor together ÷ the total × 100.",
      "format": "percent"
    },
    "top": {
      "label": "Largest competitor’s share",
      "description": "The competitor with the largest figure ÷ the total × 100.",
      "format": "percent"
    },
    "rank": {
      "label": "Your rank",
      "description": "Your place among the brands, largest first; brands with equal figures share a place.",
      "format": "text"
    }
  },
  "defaultAnswer": {
    "inputs": {
      "brand": 450,
      "competitors": "600, 300, 150"
    },
    "outputs": {
      "sov": 30,
      "total": 1500,
      "others": 70,
      "top": 40,
      "rank": "2 of 4"
    },
    "text": "Your brand has a 30% share of voice, rank 2 of 4, out of a total of 1,500."
  },
  "examples": [
    {
      "given": {
        "brand": 450,
        "competitors": [
          600,
          300,
          150
        ]
      },
      "expect": {
        "sov": 30,
        "total": 1500,
        "others": 70,
        "top": 40,
        "rank": "2 of 4"
      },
      "source": "HubSpot, \"The Beginner’s Guide to Share of Voice\" (divide your brand’s measures by the total market measures). https://blog.hubspot.com/marketing/share-of-voice; hand calculation in content.mdx: 450 ÷ 1,500 × 100 = 30; 600 ÷ 1,500 × 100 = 40"
    },
    {
      "given": {
        "brand": 2800,
        "competitors": [
          4200
        ]
      },
      "expect": {
        "sov": 40,
        "total": 7000,
        "rank": "2 of 2"
      },
      "source": "HubSpot, \"The Beginner’s Guide to Share of Voice\" (divide your brand’s measures by the total market measures). https://blog.hubspot.com/marketing/share-of-voice; hand calculation in content.mdx: 2,800 ÷ 7,000 × 100 = 40"
    },
    {
      "given": {
        "brand": 1250.5,
        "competitors": [
          2000.25,
          749.25
        ]
      },
      "expect": {
        "sov": 31.2625,
        "total": 4000,
        "top": 50.00625,
        "rank": "2 of 3"
      },
      "source": "HubSpot, \"The Beginner’s Guide to Share of Voice\" (divide your brand’s measures by the total market measures). https://blog.hubspot.com/marketing/share-of-voice; hand calculation in content.mdx: 1,250.50 ÷ 4,000 × 100 = 31.2625"
    },
    {
      "given": {
        "brand": 100,
        "competitors": [
          100,
          50
        ]
      },
      "expect": {
        "sov": 40,
        "top": 40,
        "rank": "1 of 3"
      },
      "source": "HubSpot, \"The Beginner’s Guide to Share of Voice\" (divide your brand’s measures by the total market measures). https://blog.hubspot.com/marketing/share-of-voice; hand calculation in content.mdx: 100 ÷ 250 × 100 = 40"
    }
  ],
  "sources": [
    "HubSpot, \"The Beginner's Guide to Share of Voice\": to calculate share of voice, divide your brand's measures by the total market measures. https://blog.hubspot.com/marketing/share-of-voice (retrieved 2026-10-18)",
    "Google Ads Help, \"About impression share\": impression share = impressions ÷ total eligible impressions. https://support.google.com/google-ads/answer/2497703 (retrieved 2026-10-18)"
  ],
  "related": [
    "market-share",
    "ctr",
    "cpm",
    "tam-sam-som"
  ],
  "changelog": []
}