Conversion rate calculator
Conversion rate is the share of visitors who do what you want: buy, sign up or get in touch. Enter visitors and conversions to get the rate, then add a target rate or a target number of conversions to plan traffic and improvements.
Runs in your browser: nothing you enter is sent anywhere.
How to use it
- Enter visitors and conversions for the same period.
- Optionally enter a target conversion rate to see what it would bring at the same traffic.
- Optionally enter a conversion goal to see the traffic it needs at the current and at the target rate.
How it works
- Conversion rate = conversions ÷ visitors × 100.
- Conversions at the target rate = visitors × target ÷ 100.
- Visitors needed = goal ÷ rate, rounded up to a whole visitor.
Worked example
A shop had 5,000 visitors and 150 orders: 150 ÷ 5,000 = 3%. At 4%, the same traffic would bring 200 orders (+50). To reach 300 orders it needs 300 ÷ 0.03 = 10,000 visitors at 3%, or 300 ÷ 0.04 = 7,500 at 4%.
Tips
- Define one conversion per calculation; mixing purchases and newsletter sign-ups hides what changed.
- Compare rates by traffic source: paid, search and email visitors often convert very differently.
- Small samples give unstable rates. Wait for enough visitors before drawing conclusions.
Frequently asked questions
How is conversion rate calculated?
Conversion rate = conversions ÷ visitors × 100. 150 orders from 5,000 visits is a 3% conversion rate.
How many visitors do I need for my goal?
Visitors = goal ÷ conversion rate. At 3%, 300 conversions need 300 ÷ 0.03 = 10,000 visitors. The calculator rounds up to whole visitors.
What is the effect of improving my conversion rate?
At the same traffic, conversions = visitors × target rate. Raising 5,000 visitors from 3% to 4% turns 150 conversions into 200, 50 more without any extra traffic.
Should I count visitors, sessions or users?
Any of them, as long as you use the same one every time. Sessions give a lower rate than users when people visit several times before converting.
Is a change in conversion rate real or chance?
With few visitors, rates jump around by chance. To compare two versions of a page, use the A/B test significance calculator.