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Two accounts, one deal

Collaboration Split who brings what

Two creator profiles and one budget. The calculator weights each side by the attention it contributes and prints the split in percentages and in money.

Short answerLast edited October 31, 2026

The Collaboration Rate Calculator compares two accounts before a joint project: it takes both audiences, both engagement rates and the deal value, and shows the cost of reaching a thousand new people. That figure is what shows whether the deal is fair.

How it works

1

Enter your figures

Add followers, views and the engagement you really get.

2

Pick the deliverable

Choose the format and how many pieces the brand gets.

3

Read the rate

Take the range into the negotiation.

Four things that decide the split

  • Reach: followers multiplied by the share who actually see a post
  • Engagement: how much of that reach acts on a recommendation
  • Work: who scripts, shoots and edits, and how many hours it takes
  • Rights: who owns the footage and for how long the brand may reuse it

Common arrangements

SituationUsual splitWhy
Similar audiences50 / 50Neither side needs the other more
One account is much larger60 / 40 to 70 / 30Attention decides, not politeness
One side does the editingAdd 10–15% to that sideHours are a cost like any other
Brand insists on one creatorPay the second a flat feeAppearance without promotion is work too
Product deal, no cashSplit the goods by valueOtherwise one side subsidises the other
Write the split down before the deal is signed, including who invoices the brand and when each side is paid. Most collaboration arguments are about sequencing, not percentages.
Settle these five first
  • Who owns the finished files
  • How long the brand may reuse them
  • What happens if one side posts late
  • Who answers the brand's revisions
  • How a second campaign is priced
How is the split calculated?
Each side is weighted by followers multiplied by engagement rate, then the two weights are turned into percentages of the deal.
Why does engagement change the answer?
Because a small engaged audience delivers more actions per follower than a large passive one, and brands pay for actions.
What if the audiences overlap heavily?
The combined reach is smaller than the sum, so a straight attention split flatters both. Agree a discount on the total, or pay per creator at your own rate.
Should the split include the editing?
Yes. Add 10–15% for the side that handles post-production; it is hours of work that the reach formula does not see.
We already agreed on 50/50. Is that wrong?
Not at all, if both sides are comfortable. The calculation is there to start a fair conversation, not to win an argument with a friend.

Splitting a Deal Without Losing a Friend

Collaborations fail more often over money than over creative differences, and the arguments follow a pattern: one side felt they brought more, the other side felt they worked more, and neither had written anything down. A split calculation will not settle who is nicer, but it removes the least productive part of the discussion by putting a number on what each account contributes.

Attention, not follower count

The instinctive split follows the follower counts: one hundred and thirty thousand against forty-two thousand looks like roughly three to one, and the smaller account often accepts that without question. Then the campaign runs and the numbers surprise everybody, because reach percentage and engagement differ far more than follower counts do. A well-loved account of forty thousand can deliver more impressions and twice the engagement rate of a passive account five times its size. Weighting by followers multiplied by engagement rate puts both effects into the same figure, and the split changes accordingly.

Work is a cost, and it belongs in the deal

Reach is not the only contribution. Someone writes the script, arranges the shoot, edits the footage and handles the brand's revisions. In most collaborations that work falls unevenly, and when it does, the split should reflect it: ten to fifteen per cent to the side doing post-production is a common starting point. Alternatively, that side can invoice the other for the editing and leave the attention split untouched, which is cleaner when the amounts are large enough to be worth the paperwork.

Overlapping audiences

A joint campaign works because one creator introduces the other to people who have not met them yet. When the two audiences already overlap heavily, the combined reach is smaller than the arithmetic suggests, and both creators are effectively paid twice for the same eyes. If that is the case, price each side at its own standard rate and let the brand see the two invoices, rather than agreeing a single fee to be divided.

The parts that belong in writing

Four clauses cover almost every dispute: who owns the raw files and the finished edit, how long the brand may reuse the content and where, what happens if one side publishes late or not at all, and how a follow-up campaign is priced. None of this needs a lawyer. A page agreed over a coffee and confirmed by message does the job, as long as both sides have the same page.

When to skip the calculation entirely

If the collaboration is with a friend, the answer may simply be to split the money in half and split the work in half. The formula is a tool for the awkward cases — a large account and a small one, a paid brand deal with a real number in it, a series rather than a single post — and using it there is what keeps the friendship out of the negotiation.

Price your own work too

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Quick facts

  1. A collaboration pays when the audience overlap is small: the same followers reached twice are not new viewers.
  2. Cost per thousand reached is the deal value divided by the reach, divided by a thousand — the number to compare against paid advertising.
  3. CPM is the price for a thousand impressions, so revenue from a campaign is impressions divided by a thousand, multiplied by the CPM.Google Ads Help
  4. CPC is what an advertiser pays for one click, and the two are linked by the click-through rate of the ad.Google Ads Help
  5. YouTube defines impressions as the times a thumbnail was shown, and the click-through rate as the share of those that became views.YouTube Help

Questions people ask

How do I split the fee in a collaboration between two creators?
Start from the value each creator brings, such as the reach they add and the time they spend. Split the fee in proportion to that value, then agree who pays for production and who keeps the rights. Write the split down before you start.
What is audience overlap and why does it matter?
Audience overlap is the share of people who follow both accounts. A collaboration reaches fewer new people when the overlap is high, so the value of the deal falls. Check the audiences before you agree on a price.
How do I know a collaboration is worth the money?
Compare the cost per thousand new people reached with what paid advertising would cost for the same reach. If the collaboration is cheaper, or brings a more engaged audience, it is a good deal even when the fee looks high.

What this page is about

  • CPM and CPC

    Cost per mille (thousand impressions) and cost per click: the two prices advertising is bought and sold by.

  • Click-through rate

    Clicks divided by impressions, the percentage of people who saw a thumbnail and chose to click.

Official sources cited on this page

  1. Cost-per-thousand impressions (CPM): definitionGoogle Ads Help
  2. Thumbnail impressions and click-through rateYouTube Help
  3. Custom video thumbnailsYouTube Help
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