How to calculate how much a site will earn on contextual advertising?

Question

contextual advertising

Friends, advise how, by what method to calculate how much a site can earn on contextual advertising?
It is clear that it depends on:
the theme of the site,
traffic,
the quality of optimization, contextual advertising
of another.
What is your experience in this area? It is necessary to calculate the break-even point, but I do not understand which side to approach.

Answer 1

>what method to calculate how much a site can earn on contextual advertising?
Experienced :)
From personal experience, a site with 1K impressions is often more successful than a similar one with 10K impressions.

Answer 2

try to evaluate it independently www.cy-pr.com/analysis/ , etc.

Answer 3

Well, for example, one user per month accounts for 50 kopecks of income. A user visits 10 times a month and looks at an average of 6 pages.
That is, for one visit with a depth of 6, 5 kopecks of profit come out.
Hanging Google, Yandex and teasers.