Marketing calculator

Conversion Rate Calculator

Calculate conversion rate from tracked conversions and eligible interactions or visitors.

Instant result No sign-up Editable assumptions

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Estimate only. Platform fees, taxes and policies vary by country, account, category and date. Verify important decisions against your current statement or official fee schedule.

Visitors
Conversions
Conversion Rate
Cost Per Conversion

Calculator guide

Calculate conversion rate with a consistent denominator

Conversion rate is the percentage of eligible interactions that produce a defined conversion. Enter conversions and the matching number of visitors, sessions, clicks or ad interactions from the same period.

Define the conversion before comparing results. A purchase, qualified lead, trial start and email signup have different business value and should not be combined without clear weighting.

Analytics and advertising systems may use different attribution windows, identity rules and counting methods. Reconcile whether one user can generate multiple conversions and whether view-through actions are included.

Use conversion rate with traffic quality, average order value, cost per acquisition and statistical confidence. A higher rate from a smaller or less valuable audience may not improve profit.

Formula

Calculate conversion rate with a consistent denominator

Conversion rate = Conversions ÷ Eligible interactions × 100

  1. Choose the conversion action and attribution rule.
  2. Count conversions for the selected period.
  3. Use the matching visitor, session, click or interaction denominator.
  4. Divide and multiply by 100.

Worked example

Worked example

Inputs

Scenario
50 conversions from 1,000 eligible interactions produce a 5% conversion rate.

Results

Result
50 conversions from 1,000 eligible interactions produce a 5% conversion rate.

Rounded values; replace assumptions in the live calculator.

Frequently asked questions

Conversion Rate Calculator FAQ

What should I verify before using this metric?

Verify the time period, population, currency, attribution and revenue or cost definition. Save those assumptions with the report so future comparisons use the same scope.

How accurate is the result?

The arithmetic follows the displayed formula. Accuracy depends on using complete inputs from the same reporting period and applying one consistent definition to customers, revenue and costs.

Can I use another currency?

Yes. Keep every monetary input in the same currency. Ratios and percentages remain comparable, but the calculator does not perform foreign-exchange conversion.

Should I use gross or net revenue?

Use the revenue definition that matches your reporting purpose and keep it consistent across periods. Document whether discounts, refunds, credits and taxes are included.

Why should I compare several periods?

A single month can be distorted by seasonality, annual renewals, campaigns or one-off contracts. Compare a consistent monthly or quarterly series before making a decision.

Is this an accounting standard?

No. It is an independent planning tool. Reconcile the result with your billing platform, analytics system and financial reporting policies.

Are my inputs uploaded?

No. Calculations run locally in the browser and do not require sending calculator inputs to a server.

Primary sources

Official references and further reading

Editorially reviewed: 2026-07-21

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