Enter all but one of the render times, number of frames, frame rate, and time taken to render one frame into the calculator to determine the missing variable. This calculator can also evaluate any of the variables given the others are known.

Render Time Formula

The following formula is used to calculate the render time for a video:

RT = (F / R) * T


  • RT is the render time for the video
  • F is the number of frames in the video
  • R is the frame rate of the video
  • T is the time taken to render one frame

To calculate the render time for a video, divide the number of frames in the video by the frame rate, and then multiply the result by the time taken to render one frame.

What is a Render Time?

Render time refers to the amount of time it takes for a computer or software to process and generate a final output from raw data. This term is commonly used in the field of computer graphics, video editing, and animation. The render time can vary greatly depending on several factors, such as the complexity of the data, the processing power of the computer, the efficiency of the software, and the desired quality of the output. For instance, rendering a high-resolution, feature-length 3D animation with lots of special effects would require a significant amount of processing power and time. On the other hand, rendering a short, low-resolution 2D animation would be much quicker. Therefore, optimizing render times is a crucial aspect of managing workflows in graphics-intensive fields.

How to Calculate Render Time?

The following steps outline how to calculate the Render Time.

  1. First, determine the start time (in seconds).
  2. Next, determine the end time (in seconds).
  3. Next, subtract the start time from the end time to find the difference.
  4. Finally, calculate the Render Time by dividing the difference by the number of frames rendered.
  5. After inserting the variables and calculating the result, check your answer with the calculator above.

Example Problem:

Use the following variables as an example problem to test your knowledge.

Start time (seconds) = 10

End time (seconds) = 30

Number of frames rendered = 100