One page per minute is a good starting point. So, in theory, 120 pages for a two-hour film. However, because action takes longer than speech, an action-heavy script may need fewer pages to hit the two-hour threshold than a dialogue-heavy script.
In practice, it depends on how complex the scene is and how much room there is to tell the story. With more room to play with, writers can be more daring with their choices. For example, they might shoot one scene in multiple locations or use different angles to show several steps of someone walking down a street. These are both ways of making scenes more interesting to watch. And if there isn't room to do these kinds of things, then the writer has to choose which details to leave out.
In general, a movie script is considered complete when it reaches the end of its first act. This means that your script should have a beginning, a middle, and an end - three separate scenes that cover all the major characters and events involved with this particular story.
Some screenwriters like to write one long scene instead of dividing it up into three parts. While this is possible, it's not recommended because movies are designed to be watched as pieces of entertainment. The audience wants to know what's going on in the scene and why it matters.
A script prepared in the right format is comparable to one page every minute of screen time, according to the conventional rule of thumb. As a result, a script for a two-hour film will be 120 pages long (2 hours = 120 minutes = 120 pages). However, this does not take into account any additional space required for titles, end credits, etc.
The average film script is about 100 lines per page, or 3,000 lines in total. This means that a screenplay for a two-hour movie will be about 30 pages long (100/3,000).
In practice, a script will be longer than this because it needs to cover all aspects of the story and include certain elements not relevant to each scene but which are important for the overall structure of the script. For example, a script will usually include a main title sequence followed by a prelude, opening, climax, and conclusion. These can add up to more than twice as many lines as the actual scenes themselves!
A script is written by the writer of the film. Usually there is only one writer per script, although several writers may be employed at different times during the production process. The script editor is the individual who manages the daily production activities of the writing team. They may have other responsibilities too, such as organizing meetings with other writers or producers, but their primary role is to manage the workflow of the script development process.
Screenplays may be up to 120 pages lengthy, and most films are roughly two hours long. However, most one-hour U.S. television episodes are really 41 minutes long, despite screenplays that might be up to 60 pages or more. So, a screenplay is about right for a film that is going to be used on television.
A comic book script is even longer than a screenplay, usually between 40 and 80 pages. Like a movie script, it must include a beginning, middle, and end, but it also needs development and conflict plots in addition to scenes of action.
Some comics scripts are written by single writers who create entire stories from start to finish, while others are written by teams of authors who divide up the tasks.
The average length of a comic book story has been estimated to be around 20,000 words, which is about 50 pages in English language publications. This makes them quite long compared to other graphic novels, which often have shorter stories that still take up to 200 pages.
However, not all comics scripts are equal. Some are very detailed and have lots of dialogue, while others are very simple and just describe what happens in scene-by-scene order.
Comics scripts can be hard to sell because they're such a short form; typically only studios with more money than sense buy them up.
A usual rule of thumb for writing a short, short film, or a lengthy short film, as with features, is one minute every screenplay page. A three-minute short video will typically be three pages length. Short films are often made by individuals who do not have the time or money to produce full-length movies. They can be released on YouTube to attract an audience.
A short film is different from a short story because the short story has a definite end while the short film continues until the viewer shuts off the camera light button or presses the remote control button.
Short films are used in education to teach concepts that cannot be covered in a classroom setting or when there is not enough time in a class period to cover everything needed. These videos are also used by teachers to demonstrate concepts that cannot be done in a school computer lab environment. The videos can range from showing students how to properly use software to demonstrating science experiments. Short films are useful for getting across ideas that would take too long to explain in a lecture hall setting.
Short films are used by businesses to introduce themselves to potential customers, show products, and explain benefits. For example, Amazon.com created an animated video to introduce its Echo smart speaker device.
Short films are used by non-profit organizations to raise awareness about issues that matter most to them.
A script page generally equals around one minute of screen time. If you're writing a 30-minute comedy, strive to finish your script within 30-35 pages. If you're creating a one-hour drama, make your script between 60 and 70 pages long. You should be able to tell much about a character by the end of the first page.
Here are some examples of good and bad page lengths:
Good: The Social Network - 100 pages
Bad: Lost - 250 pages
Both scripts were written by Aaron Sorkin (who also wrote A Few Good Men). They're both half hours, so they need to cover more material than a single episode of television. However, while The Social Network is very scene specific, Lost was not well structured with too many wasted scenes that don't move the story forward. There's no real explanation as to why the characters do what they do throughout most of the script except through dialogue and exposition, which makes it difficult to empathize with them or the situation they find themselves in.
Lostpedia has an article that explains this further called "The Writing Process of Lost". It's a good read if you want to know more about how a screenplay is put together.
All in all, I think Aaron Sorkin did a great job with these two scripts.