Free marketing calculator

Conversion Rate Calculator

Calculate website or campaign conversion rate from conversions and visitors, with examples and guidance on choosing a consistent denominator.

Interactive calculator

Calculate Conversion Rate

Enter your values and calculate to see the result.

Formula

Conversion rate = Conversions ÷ Visitors × 100

Formula and example

Conversion rate is conversions divided by the chosen audience, multiplied by 100. With 250 purchases from 10,000 sessions, the session conversion rate is 2.5%.

Visitors or sessions?

Either can be valid, but they answer different questions. A user may create several sessions, so user conversion rate and session conversion rate should never be compared without labels.

Define the conversion

Orders, qualified leads, trial starts and button clicks carry different business value. Keep the event definition, attribution window and denominator unchanged when comparing periods.

Assumptions

  • Numerator and denominator cover the same period and audience.

Sources and methodology

CalcMotive publishes the formula and assumptions so you can decide whether the estimate fits your use case. See our methodology standards.

Related calculators

All calculators