Impact Estimator

Estimate the real-world impact of your campaign


Understand how many people you could reach, engage, and support—before you launch.

Built for public health teams and mission-driven organizations who need to turn messages into measurable outcomes.

Start your estimate

Takes < 1 minute. No data saved.

Why this matters

Every campaign carries potential—but without clarity, it’s easy to underestimate or miss your impact.

This tool helps you quickly model what your message could achieve, so you can make smarter, more confident decisions.

Tell us about your campaign

Use rough estimates—this tool is designed to guide your thinking, not test your accuracy.

Who are you trying to reach?
Target population size
Enter the total number of people in the group you want this campaign to reach.
About what percent of that group might see your campaign?
Estimated campaign reach (%)
This is your best estimate of how much of your audience may come across the message.
Of the people who see it, about what percent might interact with it?
Engagement rate (%)
This could include clicking, sharing, commenting, or spending time with the content.
Of the people who engage, about what percent might take the next step?
Action rate (%)
This might include signing up, booking, downloading, attending, or following through on the action you want.

Your estimated impact

Start entering your campaign details to see your estimated impact.

See it in action


  • Black asterisk or star symbol on a white background.

    Stay HealthY Boston

    Amplifying local voices

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    Mercy Corps

    Supporting impact with strategic outreach