Conversion Rate Calculator

Measure the percentage of visitors who complete a chosen conversion. Enter your own values below to see conversion rate and check the method behind it.

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Your inputs

Change the example values to match your situation.

Your result

Let’s work it out.

Fill in your inputs and select Calculate.
Your result and breakdown will appear here.

How this calculator works

Conversion rate = conversions ÷ visitors × 100. Count one outcome per eligible unit.

What is Conversion Rate Calculator?

Conversion Rate Calculator helps you measure the percentage of visitors who complete a chosen conversion.

The main result is conversion rate. The formula, example and assumptions below explain how to interpret it.

How to use Conversion Rate Calculator

Use the example to get familiar with the form, then enter your own figures. Any rates in the example are illustrative. Check the field labels and units before calculating.

  1. Gather conversions and visitors. Use values from the same situation or reporting period.
  2. Replace the example conversions with your own value, then complete the other fields. Check the displayed units.
  3. Select Calculate and read conversion rate. Change one input and calculate again to compare a second scenario. Reset restores the original example.
  • Enter conversions, at least 0. Decimals are accepted.
  • Enter visitors, at least 0.001. Decimals are accepted.

Conversion Rate Calculator: a worked example

With the inputs below, the result is 5 % (conversion rate). Follow the example, then replace these illustrative values with your own.

Example inputs and output
Input or outputExample value
Conversions50
Visitors1,000
Conversion rate5 %

Understanding the Conversion Rate result

The main output is conversion rate, expressed in %. It applies to the inputs and operation you selected.

Displayed results use a readable number of decimal places. When checking a result by hand, keep extra precision until the last step. To compare scenarios, change one input at a time and keep the others fixed.

Conversion Rate Calculator: assumptions and common mistakes

A useful estimate starts with the right inputs. Check the following assumptions and limits before applying the result to your situation.

  • Match numerators and denominators from the same reporting period. Creator RPM is revenue per thousand views, while advertiser CPM measures spending.

For wider guidance, visit Google Ads Help. The formula and scope of this specific tool are stated on this page.

Conversion Rate Calculator FAQs

What does Conversion Rate Calculator calculate?

Conversion Rate Calculator helps you measure the percentage of visitors who complete a chosen conversion. Its main output is conversion rate in %.

What inputs do I need for Conversion Rate Calculator?

You need conversions and visitors. Use the field labels and units to match your figures to the formula.

Which formula does Conversion Rate Calculator use?

Conversion rate = conversions ÷ visitors × 100. Count one outcome per eligible unit.

What is a worked example for Conversion Rate Calculator?

Example inputs: Conversions: 50; Visitors: 1,000. The result is 5 % (conversion rate).

How should I enter conversions?

Enter conversions, at least 0. Decimals are accepted.

How do I choose visitors?

Enter visitors, at least 0.001. Decimals are accepted. The example uses 1,000; replace it if your circumstances differ.

How should I read conversion rate?

The main output is conversion rate, expressed in %. It applies to the inputs and operation you selected.

Why might my Conversion Rate Calculator result differ from my records?

Match numerators and denominators from the same reporting period. Creator RPM is revenue per thousand views, while advertiser CPM measures spending. Differences in entered values, units or rounding can also change the comparison.

Can I compare two scenarios in Conversion Rate Calculator?

Yes. Note your first conversion rate, change conversions or another input, and select Calculate again. Editing a field clears the old result so it is not mistaken for a new calculation.

Is Conversion Rate Calculator free, and where are my inputs calculated?

This calculator is free to use without signing in. Its formula runs in your browser; calculator inputs are not sent to a calculation API. The inputs reset to the example values when you reset the form or start a fresh page.