Marketing calculators

Conversion Rate Calculator

Measure the percentage of visitors who completed the chosen conversion. Your inputs stay in this browser.

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Result

Conversion rate

5%

What this calculator measures

Conversion rate shows how many measured visitors completed the chosen action. The numerator and denominator must use the same scope.

Formula

Conversion Rate % = Conversions / Total Visitors x 100

Worked example

  1. 150 conversions from 1,000 visitors equals 5%.

How to interpret the result

Define the conversion clearly and segment by source, device, landing page, or cohort before acting.

Common mistakes and limits

  • Mixing users with sessions, counting duplicate actions inconsistently, or ignoring attribution windows.

Frequently asked questions

What counts as a conversion?

The valuable action you define, such as a purchase or qualified lead.

Can rate exceed 100%?

It can in systems counting multiple conversions per visitor; this simple visitor model may then be inappropriate.

Is higher always better?

Not if volume, value, or lead quality falls.

Last reviewed: July 26, 2026

Published by Calculator Hub