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Share of Voice Calculator

Enter your brand's visibility metric and your competitors' combined total to see your share of voice, instantly and free.

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Your share of voice
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Share of voice is your value divided by your value plus your competitors' combined value, shown as a percentage.

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A share of voice calculator turns your brand's visibility and your competitors' combined visibility into a single percentage, showing what portion of the conversation, the ad impressions, or the search results your brand actually owns.

Picking the right metric

Share of voice can be built from brand mentions across media and social, paid or organic search impressions, advertising spend, or share of search results for category keywords. No single metric is universally correct. What matters is consistency: whichever one you choose, apply it identically to your brand and to every competitor in the comparison, over the same time window.

Share of voice versus market share

Share of voice measures visibility, not sales. Advertising effectiveness research by Les Binet and Peter Field found that brands whose share of voice exceeds their share of market tend to gain market share over time, a relationship often called the excess share of voice effect. It is a directional signal worth watching, not a guarantee, since pricing, product quality and conversion still decide whether extra visibility turns into revenue.

Growing share of voice without just outspending competitors

Paid media is the fastest lever, but not the only one. Organic search visibility and AI answer citations both count toward most mentions-based or search-based share of voice metrics, and they compound rather than switching off the moment a budget runs out. That durability is exactly why organic visibility work tends to produce a more capital-efficient share of voice over the long run than paid spend alone.

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FAQ

Share of Voice Calculator: questions, answered

What is share of voice?
Share of voice (SOV) measures what percentage of total visibility in a market belongs to your brand versus your competitors, using a metric like mentions, ad impressions, search visibility or media spend. It is a relative measure, so it only means something compared against a defined set of competitors using the same metric.
How is share of voice calculated?
Share of voice equals your value divided by the total of your value plus your competitors' combined value, multiplied by 100. If your brand has 1,200 mentions and competitors together have 4,800, your share of voice is 1200 / (1200 + 4800), which is 20%.
What metrics can I use for share of voice?
Common choices include brand mentions across media or social, paid or organic search impressions, advertising spend, and share of search results for category keywords. The specific metric matters less than consistency: whichever one you pick, use the exact same metric and time period for your brand and every competitor in the comparison.
Is a higher share of voice always better?
Generally yes, since more visibility usually means more consideration, but it depends what is driving the number. A high share of voice built on expensive paid spend is not the same as one built on organic mentions and search visibility, which tend to be more durable and capital-efficient over time.
How often should share of voice be tracked?
Monthly or quarterly tracking is common for most brands, since visibility metrics can be noisy week to week. Track it around major campaigns or competitor launches too, since a sudden shift often signals a competitor's move before it shows up in sales or traffic numbers.
Does share of voice predict market share?
There is a well documented tendency for brands with a share of voice above their share of market to gain market share over time, an idea popularized by advertising effectiveness research from Les Binet and Peter Field. It is a useful signal, not a guarantee, since conversion, pricing and product quality still determine whether extra visibility turns into sales.

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