Conversion Rate Calculator Formula

Understand the math behind the conversion rate calculator. Each variable explained with a worked example.

Formulas Used

Conversion Rate

conversion_rate = total_visitors > 0 ? (conversions / total_visitors) * 100 : 0

Visitors Per Conversion

visitors_per_conversion = conversions > 0 ? total_visitors / conversions : 0

Variables

VariableDescriptionDefault
conversionsNumber of Conversions150
total_visitorsTotal Visitors or Prospects5000

How It Works

How to Calculate Conversion Rate

Formula

Conversion Rate = (Conversions / Total Visitors) x 100

Conversion rate is the fundamental metric connecting traffic to outcomes. It applies to any stage of the funnel: visitor to lead, lead to trial, trial to customer. Even small improvements in conversion rate compound across high traffic volumes, often producing larger returns than increasing traffic itself.

Worked Example

A website receives 5,000 visitors and 150 complete a purchase.

conversions = 150total_visitors = 5000
  1. 01Conversion Rate = (150 / 5,000) x 100 = 3.0%
  2. 02Visitors Per Conversion = 5,000 / 150 = 33.3
  3. 03One out of every 33 visitors makes a purchase.

Ready to run the numbers?

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