Inputs used
- Eligible visits or users
- Completed qualified conversions
- Scenario conversion rate
Free CRO tool / Conversion scenario
Conversion rate calculator for leads, sales and landing pages
Conversion rate is completed outcomes divided by eligible visits or users, multiplied by 100. Keep the numerator, denominator, period and traffic definition consistent when comparing performance.
Use the calculatorFree · No account · Inputs stay in your browser
Interactive tool
Change the assumptions. Compare the scenario.
Enter non-sensitive planning values. The output updates in your browser and is not sent to GrowthLabs.
- Current conversion rate
- 3%
- Visits without the defined conversion
- 4,850
- Conversions at scenario rate
- 200
- Additional conversions in scenario
- 50
Scenario arithmetic only, not a forecast or guarantee.
Formula and inputs
Know what the result actually represents.
Conversion rate = conversions ÷ visits × 100. Additional conversions at scenario rate = visits × scenario rate − current conversions.
Important cautions
- +Do not compare different traffic definitions or conversion events.
- +A higher rate can accompany lower qualified volume or revenue.
- +Bot, internal and consent-limited traffic can affect the denominator.
- +A scenario output is arithmetic, not a prediction.
Decision context
A calculator is useful when it improves the next decision.
Use this free planning model to make assumptions visible, compare scenarios and identify which input deserves validation before budget, campaign or conversion decisions are made.
Model
Start with defensible inputs
Use recent, relevant business or platform data where possible. Label estimates clearly so the result is not mistaken for measured performance.
Compare
Change one assumption at a time
Compare a baseline with one or two realistic scenarios. This makes the commercial effect of each rate, cost or volume assumption easier to understand.
Validate
Return to real performance data
Use Google Ads, Meta Ads, GA4, CRM, sales or finance data to test whether the scenario reflects qualified enquiries, customers and actual economics.
How to use the output
Move from arithmetic to a better decision.
- 01
Define the action
Use a stable qualified lead, purchase, booking or another meaningful event.
- 02
Choose the denominator
Use eligible sessions or users consistently across the comparison.
- 03
Model a range
Compare conservative and upside rates without presenting them as expected results.
- 04
Check quality
Reconcile volume with sales, revenue, margin and customer quality.
Tool questions
Definitions and limits, answered.
01What is a good conversion rate?
There is no universal benchmark. Intent, offer, channel, device, market, event definition and business model change the useful range.
02Should I use users or sessions?
Either can be useful when its definition is documented and applied consistently. Do not silently switch denominators.
03Can conversion rate rise while performance worsens?
Yes. Traffic or conversion volume, lead quality, revenue or margin can decline while the percentage increases.
04Does this calculator predict conversions?
No. It shows the arithmetic of your inputs and a scenario rate.
Continue with context