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Social Media Story Completion Rate Calculator

Calculate your social media story completion rate to see what share of viewers watched from the first story frame to the last.

Your Details

Overview

This social media story completion rate calculator helps you estimate how many viewers stayed with your story from the first frame to the last. Enter the first-frame views, last-frame views, and number of frames to measure audience retention across a story sequence.

How it works

The calculator compares the views on your last story frame with the views on your first frame. Completion rate is calculated as last-frame views divided by first-frame views, multiplied by 100. It also shows how many viewers dropped off, the drop-off percentage, and the average number of views lost between frames based on the total number of frames in the sequence.

How to use this calculator

  1. 1Enter the number of views on the first story frame.
  2. 2Enter the number of views on the last story frame.
  3. 3Add the total number of frames in the story sequence.
  4. 4Enter your target completion rate if you want a benchmark comparison.
  5. 5Review the completion rate, drop-off, and average loss per frame.

Example Calculation

First story views

1000

Last story views

620

Number of story frames

5

Target completion rate

70%

Story completion rate

62.0%

If your first frame had 1000 views and your last frame had 620 views across 5 frames, your completion rate would be 62.0%. That means 380 viewers dropped off, with an average loss of about 95 viewers per frame transition, putting you 8.0 percentage points below a 70% target.

Frequently asked questions

What does story completion rate measure?

It measures the percentage of viewers who watched from the first story frame to the final frame in a sequence.

How do you calculate story completion rate?

Divide the views on the last story frame by the views on the first story frame, then multiply by 100.

Why is my completion rate low?

A lower rate can happen when the story is too long, the opening frame is weak, the content loses relevance, or viewers exit before the end.

Does a longer story usually reduce completion rate?

Often yes. More frames create more chances for viewers to leave, which can reduce the percentage reaching the final frame.

What is a good story completion rate?

There is no single universal benchmark. A good rate depends on platform, audience, content type, and story length, so it is best compared against your past results or internal targets.

Can I use this calculator for Instagram, Facebook, or other platforms?

Yes. The method works for any platform where you can compare first-frame and last-frame story views.

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Assumptions and warnings

Assumptions

  • The first and last frame view counts come from the same story sequence.
  • View counts are measured on the same platform using the same reporting method.
  • Completion rate is calculated as final frame views divided by first frame views.
  • The calculator does not account for taps forward, exits, replays, or unique viewer overlap beyond the reported view totals.