Video Bitrate Calculator
Estimate video bitrate from duration, target file size and audio bitrate. intro
How to use Video Bitrate Calculator
- Enter the video duration in minutes.
- Set a target file size in decimal MB and audio bitrate in kbps.
- Calculate the approximate average video bitrate.
Example use
Use this tool with your own values. For video bitrate calculator, verify the output and read its limitations before relying on it.
Why use this tool?
Use this free browser utility when you need a focused result without installing desktop software or creating an account. The workspace is designed for a single task, with the input, controls and output kept together.
Privacy, compatibility and limitations
File sizes use decimal MB and assume average constant bitrate. Container overhead, variable bitrate and codec efficiency can change the final size; this is not a visual quality rating.
Questions about Video Bitrate Calculator
Does 5 Mbps always look good?
No. The result depends on resolution, codec, content motion and source quality.
Why is the exported video size different?
Encoding and container overhead, metadata and variable bitrate can affect size.
