The difference in one line
Reach is the number of unique accounts that saw your content. Impressions is the number of times it was shown in total. If one person sees a post three times, that is 1 reach and 3 impressions.
Impressions vs reach vs frequency
Frequency = impressions รท reach
In Meta ads, a high frequency on a cold audience often means people are seeing the same ad too often. Refresh the creative or widen the audience.
Facebook, Meta ads and LinkedIn
Meta reports both reach and impressions for posts and ads. LinkedIn reports impressions and, for Pages, unique impressions (its version of reach). Instagram reports reach and views.
Impressions vs views
Many platforms, including Instagram, now report views, which count each time content is shown or played, much like impressions. A video view on YouTube or TikTok is different: it requires actual watching.
Impressions vs reach vs engagement
Engagement measures what people did after seeing your content. Divide it by reach with the engagement rate by reach calculator, see what share of followers you reach with the reach rate calculator, and price your impressions with the CPM calculator.
Impressions vs reach on Facebook and Meta ads
In Meta Ads Manager, reach is the number of accounts that saw your ad at least once, and impressions is the number of times the ad was shown on screen. Meta estimates reach, so it can differ slightly between reports, while impressions are counted directly.
Divide impressions by reach and you get frequency, the average number of times each person saw the ad. A rising frequency on a campaign with flat results is a common sign that the audience has seen the ad too often and the creative needs a refresh. You can work this out with our ad frequency calculator.
Impressions vs reach on LinkedIn
LinkedIn page analytics report impressions (times a post was shown) and unique impressions, which is LinkedIn's name for reach. LinkedIn's own engagement rate divides interactions by impressions, not by reach or followers, so LinkedIn rates are not directly comparable with Instagram or TikTok rates. The LinkedIn engagement rate calculator uses the same method as LinkedIn.
Impressions vs reach vs views vs engagement
These four numbers describe different steps between showing a post and getting a reaction:
| Metric | What it counts | Question it answers |
|---|---|---|
| Reach | Unique people or accounts | How many people saw it? |
| Impressions | Every time it was shown | How often was it shown? |
| Views | Plays of a video, by each platform's own rule | Did people start watching? |
| Engagement | Likes, comments, shares, saves, clicks | Did people react? |
A healthy report reads them in that order. High reach with low engagement points to content that people scroll past; high engagement on low reach suggests the content works and needs more distribution.
Which one should you report?
Report reach when the goal is awareness, because it tells you how many different people you got in front of. Report impressions when you buy media by CPM, because cost is charged per 1,000 impressions. For most social media reports, show both plus frequency, and turn them into rates with the engagement rate by reach calculator and the impressions calculator.
Frequently asked questions
Which is more important?
Reach for awareness goals; impressions for understanding frequency and cost (CPM).
Can reach be higher than impressions?
No. Every person reached saw at least one impression.