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Influencer Campaign Cost Calculator

Work out influencer campaign cost instantly with clear inputs, formula shown and shareable results.

About Influencer Campaign Cost Calculator

Influencer rates are commonly quoted per thousand followers, but engagement rate determines what those followers are actually worth. Cost per engagement is the metric that makes a micro-influencer comparable to a large account.

Formula

Influencer cost

Cost per post = followers/1000 × rate; cost per engagement = total cost / (followers × engagement rate × posts)

Worked example

With the default values below, Influencer Campaign Cost Calculator returns Total Campaign Cost of $675,000.00. Change any input above and every figure here is recalculated in your browser.

Inputs used

Influencer Followersaccepts 1–1,000,000,000
250,000
Rate Per Thousand Followersminimum 0
900
Engagement Rateaccepts 0.01–50 %
3.2 %
Number Of Postsaccepts 1–100
3

Results

Total Campaign Cost
$675,000.00
Cost Per Post
$225,000.00
Expected Engagements
24,000
Cost Per Engagement
$28.13

Step by step

  1. 1Values used
  2. 2Influencer cost
  3. 3Total Campaign Cost= 675,000.00
  4. 4Cost Per Post= 225,000.00
  5. 5Expected Engagements= 24,000
  6. 6Cost Per Engagement= 28.13

Assumptions and limits

  • The result is derived only from the 4 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation, tax or compounding frequency into account.
  • Figures are rounded for display to 2 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
  • Figures are estimates based on the inputs given. Marketing performance, platform fees and conversion behaviour vary by audience, channel and season. Use this as a planning guide, not a forecast.
  • This is an estimate for general information and not professional financial, tax or legal advice. See the full disclaimer for the limits that apply to this kind of calculator.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Figures are estimates based on the inputs given. Marketing performance, platform fees and conversion behaviour vary by audience, channel and season. Use this as a planning guide, not a forecast.

Frequently Asked Questions

Why do smaller accounts often win on cost per engagement?

Because engagement rates fall as audiences grow, so a micro-influencer's cheaper rate buys proportionally more interaction.

What should be checked before contracting?

Audience geography, authenticity of followers and historical engagement trend rather than a single strong post.

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