How do you calculate the conversion rate between two funnel stages?

The conversion rate between two consecutive funnel stages is calculated as: CVR = (Stage B visitors / Stage A visitors) x 100. For example, if 1,000 people visit your product page (Stage A) and 250 add to cart (Stage B), the step conversion rate is (250 / 1000) x 100 = 25%. The drop-off count is Stage A minus Stage B (750 people in this case), and the drop-off percentage is 100 minus the conversion rate (75%).

What is overall funnel conversion rate?

The overall funnel conversion rate is the percentage of people who entered the top of the funnel and made it all the way to the final stage: Overall CVR = (Final stage count / Top of funnel count) x 100. For a funnel with 10,000 visitors at the top and 120 customers at the bottom, the overall CVR is (120 / 10,000) x 100 = 1.2%. This is distinct from the step-by-step conversion rates, which measure progress between adjacent stages.

How many stages should a conversion funnel have?

Most marketing and e-commerce funnels use three to six stages. A simple funnel might be Awareness, Consideration, Purchase. An e-commerce funnel often includes Product View, Add to Cart, Checkout Start, and Payment Complete. A sales funnel might use Lead, Qualified Lead, Proposal, Closed Won. The right number of stages depends on your process: each stage should represent a meaningful decision or action taken by the customer. Tracking too many stages can create noise; too few hides where people are dropping off.

Conversion Funnel Calculator

This calculator shows you exactly where people drop out of any multi-stage process, whether that is a sales pipeline, a marketing campaign, or an e-commerce checkout, so you know precisely which step to fix first. You enter a name and a visitor, lead, or customer count for each stage of your funnel, starting with two stages and adding up to eight (the defaults use a typical SaaS journey of Visitors, Sign-ups, Trials, and Customers). As you type, the calculator instantly returns your top-of-funnel and bottom-of-funnel counts, your overall conversion rate from first stage to last, a bar-style funnel visualisation showing the relative size of each stage, and a stage-by-stage table with the step conversion rate, drop-off count, drop-off percentage, and cumulative conversion rate for every transition. A verdict below the table flags the stage losing the most people overall, usually the highest-priority place to test and improve, even when its percentage drop-off is not the worst on paper. Use it to sanity-check a funnel before launch, to compare performance across campaigns or channels, or to build the case for fixing a specific step such as checkout friction or a weak call to action. Because conversion benchmarks vary hugely by industry, channel, and traffic quality, treat the results as a guide to relative performance and priority rather than a fixed target to hit.

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Standard formula Step CVR = next stage / current stage x 100. Overall CVR = final stage / top stage x 100.

Funnel Stages

Name each stage and enter the number of people (or sessions, leads, etc.) who reached it. Add up to 8 stages.

Funnel Summary

Top of Funnel

Visitors

Overall CVR
-
Top to bottom

Bottom of Funnel

Customers

Funnel Visualisation

Stage-by-Stage Breakdown

Stage	Count	Step CVR	Drop-off Count	Drop-off %	Cumulative CVR

Result: Enter your funnel data above.

How the Conversion Funnel Calculator Works

A conversion funnel describes the journey a person takes from first contact with your product or service through to the desired end action (a purchase, sign-up, or enquiry). At each stage, some people drop off and do not continue. The calculator uses two formulas:

Step conversion rate: CVR(step) = (Count at Stage N+1 / Count at Stage N) × 100
Overall funnel conversion rate: CVR(overall) = (Final stage count / Top of funnel count) × 100
Drop-off count: Count at Stage N minus Count at Stage N+1
Drop-off percentage: 100 minus the step conversion rate
Cumulative conversion rate: Count at Stage N / Top of funnel count × 100

Worked Example

Using the calculator defaults (Visitors: 10,000, Sign-ups: 2,500, Trials: 800, Customers: 120):

Stage	Count	Step CVR	Drop-off	Cumulative CVR
Visitors	10,000	-	-	100%
Sign-ups	2,500	25.00%	7,500	25.00%
Trials	800	32.00%	1,700	8.00%
Customers	120	15.00%	680	1.20%

Overall funnel CVR = 120 / 10,000 x 100 = 1.20%. The biggest drop-off by volume occurs between Visitors and Sign-ups (7,500 people, a 75% drop-off rate), making that the highest-priority stage to optimise given the number of people affected.

What Counts as a Good Conversion Rate?

Conversion rates vary enormously by industry, channel, and funnel type. There is no single benchmark that applies universally. As a rough guide:

E-commerce checkout: 60 to 80% from cart to purchase is achievable for well-optimised stores. Cart abandonment rates above 70% are common.
Lead generation landing pages: 10 to 30% visitor-to-lead rates are typical depending on offer strength and traffic quality.
SaaS free trial to paid: 15 to 25% is a reasonable benchmark for product-led growth models.
Overall website visitor to customer: 1 to 4% is a common range for e-commerce; B2B is often lower (0.5 to 2%).

Rather than comparing to industry averages, focus on improving your own funnel incrementally. A 10% improvement in each of three funnel stages compounds into a 33% lift in overall conversion.

Identifying Where to Focus Optimisation

The most valuable stage to optimise is not always the one with the lowest step CVR. You should also consider the volume of people affected. Use the drop-off count from this calculator to prioritise: a stage with 5,000 people dropping off at 50% CVR represents more opportunity than a stage with 100 people dropping off at 20% CVR, even though the second CVR is lower.

Common causes of high drop-off at specific stages include: slow page load times, unclear calls to action, unexpected pricing or friction in the checkout, requiring account creation before purchase, and poor mobile experience.

Related Calculators

Method: Step conversion rate = (Stage N+1 / Stage N) x 100. Overall CVR = (Final stage / Top stage) x 100. Drop-off = Stage N minus Stage N+1. Cumulative CVR = Stage N / Top stage x 100. All standard digital marketing funnel analysis formulas.

This calculator provides funnel analysis based on the numbers you enter. Conversion rate benchmarks vary by industry, channel, device, and audience. Use the results to identify relative drop-off points and prioritise testing rather than as absolute performance targets.