Understanding Share of Voice
How we calculate. Share of voice % = (your visibility ÷ total tracked visibility) × 100. See our methodology and accuracy policy .
Real-world scenario: A typical Share of Voice case uses your impressions / visibility 25000 and total market impressions 100000. Enter the same figures below to reproduce the worked path.
What is Share of Voice?
A competitive SEO KPI for topic or keyword portfolios. Tools may use weighted visibility instead of raw impressions—keep units consistent.
- Define the competitor set
- Same keyword list for all players
- Track trends more than one-off snapshots
The Formula
Worked Example
Common Use Cases
- Category ownership: brand vs rivals
- Content roadmaps: where SOV is weak
- Exec reporting: visibility share
Pro Tips
- Weight by position if your tool supports it
- Split brand vs non-brand
- Rebalance keyword lists as intent shifts
| Scenario | When to use |
|---|---|
| Percent of a number | Finding a part of a whole (tax, tip, score) |
| Percent change | Comparing old vs new values |
Limitations: Share of Voice results are educational SEO planning aids—not guarantees of rankings or traffic. Search algorithms and attribution models vary.
Common mistakes
- Swapping part and whole: The denominator must be the full total, not a subset.
- Rounding too early: Carry extra decimal places through multi-step work before rounding the final percent.
- Mixing percent and decimal forms: Enter rates in the format the calculator labels expect.
The worked example for share of voice was verified with the calculator form on this page—enter the same values to confirm the result.
When to use this calculator
- Use this page when your wording matches share of voice and the form labels on screen.
- Use percent of a number for “what is X% of Y?” problems.
- Use number is what percent when you know part and whole and need the percent.
Still unsure about share of voice? Start with the quick answer above, then open the linked calculator that matches your wording.
❓ Frequently Asked Questions
How do I use this share of voice calculator?
For share of voice, enter the values labeled on the form, then press Calculate. Compare the result to the worked example on this page.
What formula does this page use?
See the quick answer and formula box above for share of voice—the same percentage calculator expression is applied to your inputs.
What if my result looks wrong?
When checking share of voice, re-check part vs whole (or rate vs base), rounding, and whether percents were entered as 25 rather than 0.25 when the form expects percents.
Authoritative References
For search and analytics guidance, consult:
- Google Search Central — crawling, indexing, and ranking documentation
- W3C — web standards that affect crawlable HTML
- Google Analytics Help — engagement and traffic metrics