Marketing calculators

Measure campaign costs and outcomes without hiding the formula behind the result.

CPM Calculator

Enter any two of cost, impressions, or CPM to solve for the third.

CPC Calculator

Enter any two of total cost, clicks, or CPC to solve for the third.

CTR Calculator

Measure the share of recorded impressions that produced a click.

Conversion Rate Calculator

Measure the percentage of visitors who completed the chosen conversion.

Email Open Rate Calculator

Calculate unique opens as a share of delivered emails after bounces.

Discount Calculator

Find the final sale price and amount saved after a percentage discount.

Percentage Change Calculator

Express the change from an old value to a new value as a percentage.

CPA Calculator

Calculate the average ad spend per conversion, and per lead, for a campaign.

Engagement Rate Calculator

Calculate engagement rate from total engagements against followers or impressions.

How to choose the right calculator

Match the marketing calculator to the stage of the funnel you are measuring. CPM and CPC explain media cost, CTR and conversion rate show response, and email open rate helps assess delivery and engagement; discount and percentage change support offer analysis. Compare campaigns over the same date range and use consistent attribution rules.

Related guides

ROAS vs. ROI: What Each Metric MeasuresROAS compares attributed conversion value or revenue with advertising cost. ROI compares net return with the broader investment cost.How to Calculate Percentage Change (Increase and Decrease)Percentage change compares a new value with an old one using the old value as the base — using the wrong base is the single most common source of error.Deciding Whether a Paid Campaign Is Worth ScalingA 4x ROAS can lose money and a 2.2x ROAS can be worth scaling. Scale when incremental spend still clears contribution after the click path you actually have.