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Bounce Rate Calculator

Work out bounce rate from single-page sessions and total sessions.

A single-page session is one where the visitor viewed one page and left without going further.

Bounce rate

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Engaged sessions—
Engagement rate—

Quick Tool Overview

The Bounce Rate Calculator turns single-page sessions and total sessions into a bounce rate instantly, with engaged sessions and the GA4-style engagement rate shown alongside and a note on how to read the result.

What it does
Calculates bounce rate from single-page and total sessions
You give it
Single-page sessions and total sessions
You get back
Bounce rate %, engaged sessions, and engagement rate
Best for
Spotting pages or traffic sources where visitors leave immediately
Marketing Tools Free, unlimited use No sign-up Runs in your browser

About the Bounce Rate Calculator

Bounce rate measures the share of visits that ended on the page they started on — no second page, no further interaction. It is a blunt instrument, but a bounce rate that jumps after a redesign or a new traffic source is one of the fastest warnings you get.

Enter single-page sessions and total sessions and the bounce rate appears straight away, together with the number of engaged sessions and the engagement rate that GA4 reports in its place. A short note puts the result against the ranges different page types usually see.

Key features of the Bounce Rate Calculator

Instant results

The rate updates live as either figure changes.

GA4 engagement rate

Shows the inverse metric GA4 reports in place of bounce rate.

Context note

A short read on whether that figure is worth investigating.

Runs in your browser

No sign-up, no data sent anywhere.

How to use the Bounce Rate Calculator

  1. 1

    Enter single-page sessions

    Sessions where the visitor viewed one page and left.

  2. 2

    Enter total sessions

    All sessions for the same page or property over the same period.

  3. 3

    Read the bounce rate

    Updates instantly, with engaged sessions shown alongside.

  4. 4

    Check the note

    A quick read on whether that figure is worth investigating.

Frequently asked questions

Bounce rate = Single-page sessions ÷ Total sessions × 100. 1,420 single-page sessions out of 4,000 is a bounce rate of 35.5%.

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