Video size calculator
Use our video size calculator to calculate accurate size and measurement values instantly.
Calculator
Estimate encoded video file size using video+audio bitrate and duration.
Formula: Size = (video bitrate + audio bitrate) x duration
What each field means
- Video Bitrate (Mbps): Enter a valid value for this field.
- Audio Bitrate (kbps): Example: 128
- Duration (minutes): Enter a valid value for this field.
Estimated Video Size (GB)
Your result will appear here.
About Video size calculator
The Video size calculator helps you estimate file size and digital media values quickly using consistent assumptions and practical calculation rules.
Formula Explanation
Size = (video bitrate + audio bitrate) x duration
Inputs You Need
- Required measurement values relevant to this calculator
- Unit selection: Video Bitrate (Mbps), Audio Bitrate (kbps), Duration (minutes)
- Optional tolerance, safety, or scenario values if applicable
Step-by-Step Usage
- Enter your known values in the calculator fields.
- Select units and options that match your scenario.
- Click Calculate to generate your output.
- Copy, save, or share the result for later reference.
Example
Run the tool with realistic values from your use case and compare the output against expected ranges for file size and digital media calculations.
Method Sources
Frequently Asked Questions
Is this Video size calculator accurate?
Yes, when correct inputs and units are provided.
Which units does this calculator support?
This tool is optimized for Video Bitrate (Mbps), Audio Bitrate (kbps), Duration (minutes).
Can I use this calculator on mobile?
Yes, the form is optimized for touch inputs and smaller screens.