Conversion rate: definition, calculation and optimisation levers
Mon Projet CRM - 4 novembre 2024
The conversion rate is one of the most insightful metrics for measuring the effectiveness of marketing, sales, or e-commerce operations. It answers a simple question: out of every 100 people reached, how many take action? Behind this definition lie very different realities depending on whether you are looking at a web form, a B2B sales cycle, or an email campaign. For an executive, marketing manager, or head of sales, understanding how conversion rates are calculated—as well as what they reveal and what they do not—is essential before setting them as KPIs tracked within the CRM.
What is conversion rate?
The conversion rate measures the proportion of individuals who perform a desired action within a target population: website visits, leads entered into the CRM, contacts called, or opportunities created. It is expressed as a percentage and can be broken down at each stage of the journey: visitor → lead, lead → opportunity, opportunity → client.
The earlier the rate is measured in the journey, the more volatile it is. The later it is measured, the higher its business value, but the slower its calculation.
How to calculate conversion rate
The generic formula: conversion rate = (number of completed actions / number of opportunities for action) × 100. Concrete examples:
- E-commerce: 1,000 visits, 30 purchases → 3%.
- Inbound B2B: 500 product page visits, 25 demo requests → 5%.
- Sales cycle: 80 opportunities opened, 16 won → 20%.
- Email: 10,000 sends, 200 clicks, 20 conversions → 0.2% overall conversion, 10% click-to-action conversion.
Conversion rate in a CRM
A CRM allows you to track conversion rates by sales cycle stage, segment, source, sales rep, or product. This level of detail transforms a vague overall figure into a strategic management tool.
- Identify pipeline stages where drop-offs occur (lead → meeting, meeting → proposal, proposal → signature).
- Compare acquisition sources (web, trade shows, referrals) based on their actual conversion.
- Measure the impact of changes in messaging, pricing, or organisational structure.
- Identify sales reps who need coaching on a specific stage.
Actionable levers to improve conversion rates
Improving a conversion rate isn't just about driving more traffic. It's often about removing friction or improving qualification upstream.
- Clarify the value proposition and the call to action.
- Reduce the number of form fields.
- Improve lead qualification upstream to focus only on high-quality prospects.
- Standardise follow-ups and scripts for key stages.
- Measure conversion by segment to focus efforts where ROI is highest.
Common mistakes
A misinterpreted conversion rate can lead to poor decision-making.
- Comparing rates between non-comparable stages (visit vs. meeting).
- Ignoring the quality of incoming leads.
- Optimising for short-term conversion rates at the expense of customer lifetime value.
- Tracking a global rate without breaking it down by segment or source.
Further reading
Conversion rate is part of a broader KPI framework.
Key takeaways
- The conversion rate measures the propensity to take action within a specific reference population.
- It should be calculated for each stage of the funnel, not just as an overall figure.
- The CRM allows for breakdowns by segment, source, and sales representative.
- Improving conversion means reducing friction and enhancing upfront qualification.
- Combine this with conversion time and customer value for data-driven management.
Want to go further?
Discover our tools, checklists and templates to apply these recommendations immediately.