What is Reach?
Definition + Examples
Definition
Reach is the total number of unique users who saw a piece of content at least once during a defined period. Unlike impressions, which count every display, reach counts each viewer only once — so 100 impressions delivered to 60 unique people is a reach of 60. Reach can be 'organic reach' (unique people who saw the content without paid promotion), 'paid reach' (unique people who saw it via paid distribution), or 'total reach' (the deduplicated sum).
Why it matters for small businesses
Reach is the cleanest measure of audience scale — it tells you how many distinct people you actually got in front of. For brand awareness campaigns, reach is often the primary KPI alongside frequency (the average number of times each person saw the content). For local businesses, organic reach within a defined geography is one of the most useful metrics there is, because it answers: how many of the people who could become customers actually saw us?
Examples
Local restaurant tagged-post reach
A restaurant tracks the reach of UGC posts where customers tagged them. Over a year, tagged UGC reached an estimated 240,000 unique local accounts — multiples of the restaurant's own organic reach.
Brand campaign reach vs frequency
A regional brand campaign delivers 4.2M reach with an average frequency of 3.1. The team decides next quarter's campaign should optimize for higher reach at lower frequency to expand awareness.
Influencer reach overlap
A brand partners with three influencers in the same niche and discovers 35% audience overlap. They diversify their next round of partnerships to expand unique reach.
How to use reach in your marketing
- 01Distinguish reach from impressions. They're different metrics that answer different questions.
- 02Watch frequency. Too low and the message doesn't stick; too high and you're wasting budget on the same people.
- 03Track reach by geography for local campaigns. Local reach is a far better KPI than national reach for most small businesses.
- 04Compute audience overlap between paid and organic channels — duplicative reach is duplicative cost.
- 05Use reach as input to brand-lift studies, not as the brand-lift study itself.
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Start freeRelated terms
An impression is a single instance of a piece of content being displayed to a viewer.
Engagement rate is the percentage of an audience that interacts with a piece of content — through likes, comments, shares, saves, clicks, or replies — out of the total audience that could have seen it.
Paid media is any marketing distribution a brand pays for directly: search ads, social ads, display ads, sponsored content, paid influencer partnerships, podcast ads, billboards, print ads, TV spots.
Earned media is any publicity a brand receives that it didn't pay for and doesn't directly control.