Free tool · Conversion rate
Conversion Rate Calculator
Conversion rate is the share of visitors who took the action you wanted — a sale, a lead, a sign-up. Enter any two of visitors, conversions, and conversion rate and this calculator solves for the third.
Conversion rate is easy to track — easy to misread
The percentage is trivial to compute. Knowing whether a move in it is a real improvement, a measurement artefact, or just noise is where the work is.
Define the denominator
A "visitor" is not one thing. Sessions, unique users, ad clicks, and qualified leads all give different denominators — and therefore different rates. Pin down what counts as an entry before you compare two numbers.
Pick the right conversion
A newsletter sign-up and a closed sale are both conversions, but optimising the easy micro-conversion can starve the one that pays. Decide which action the rate is supposed to represent, and hold it constant across reports.
Small samples lie
At low traffic, two extra conversions can swing the rate by a point. Before you call a change a win, check the sample is large enough that the difference is unlikely to be chance.
Calculate your conversion rate
Enter any two of visitors, conversions, and conversion rate.
How many people (or sessions) landed on the page or entered the funnel.
How many of those visitors completed the action you care about.
The percentage of visitors who converted.
Waiting for input
Enter any two of visitors, conversions, and conversion rate — the third fills in automatically.
Formula: conversion rate = conversions ÷ visitors × 100.
What is conversion rate?
Conversion rate is the proportion of people who completed a defined action out of everyone who had the chance to. It is the headline efficiency metric for a landing page, an ad, an email, or an entire funnel — the share of intent that turned into outcome.
Because it is a ratio, it travels: a 3% rate means the same thing whether 1,000 or 1,000,000 people visited, which is what lets you compare pages, channels, and campaigns of very different sizes on a level footing.
Calculate conversion rate
Conversion rate = (Conversions ÷ Visitors) × 100
480 conversions from 12,000 visitors → (480 ÷ 12,000) × 100 = 4.00%
Calculate conversions
Conversions = Visitors × (Conversion rate ÷ 100)
12,000 visitors at a 4% rate → 12,000 × 0.04 = 480 conversions
Calculate visitors needed
Visitors = Conversions ÷ (Conversion rate ÷ 100)
480 conversions at a 4% rate → 480 ÷ 0.04 = 12,000 visitors
How to use this conversion rate calculator
Three fields, one equation — fill in the two you know.
Enter the two values you have
Know your visitors and conversions? Get the rate. Know a target rate and your traffic? Get the conversions it implies. Working back from a goal? Enter conversions and a target rate to see the visitors you need.
Hold the definitions steady
Use the same denominator (sessions vs. users) and the same conversion event every time you report. A rate is only comparable to another rate that counts the same things.
Sanity-check before you act
A higher rate on a tiny sample is not yet a result. Make sure the numbers behind the percentage are large enough before you declare a winner or roll out a change.
Conversion rate questions
Still stuck? Book a walkthrough and we’ll go through your numbers together.
What is a good conversion rate?
It depends on the action and the channel. E-commerce sites commonly sit around 2–3%, lead-gen landing pages often run 5–15%, and high-intent search traffic can convert far higher. The only useful benchmark is your own historical rate for the same page, audience, and conversion event.
Should I measure conversion rate by sessions or by users?
Either can be valid, but you must be consistent. Sessions-based rates are typically lower because one person can visit several times before converting. Pick one definition, document it, and use it everywhere so your numbers stay comparable over time.
How is conversion rate different from click-through rate?
Click-through rate (CTR) measures the share of people who clicked an ad or link; conversion rate measures the share who completed the goal action after arriving. CTR gets people to the page, conversion rate turns them into outcomes — together they describe the full path from impression to result.
My conversion rate dropped — is that bad?
Not necessarily. A drop can simply mean you brought in more top-of-funnel traffic that converts at a lower rate, which can still grow total conversions. Always read the rate alongside the absolute number of conversions and the quality of the traffic before judging it.
One metric is a number — Multiply connects them all
When every campaign metric, brief, and account signal lives in one AI operating system, you stop calculating in spreadsheets and start acting on the full picture. That's Multiply.