Video File Size Calculator

Formula

Mbps×seconds÷8÷1000

Worked example

10Mbps for 60min — 4.5GB

Quick answer

What does the Video File Size Calculator do?

Estimate video file size from total bitrate and duration.

What is the Video File Size Calculator?

Estimate video file size from total bitrate and duration. Use it when you have the required inputs and want a deterministic, repeatable result with the calculation method visible.

How to use this calculator

Enter the values requested by the tool, keep units and time periods consistent, resolve any validation message, calculate, then review the primary answer together with the displayed formula and supporting values.

Formula and method

This calculator uses the deterministic formula Mbps×seconds÷8÷1000. Enter the required values, then review the displayed substitution and result breakdown to verify the calculation.

Worked example

10Mbps for 60min 4.5GB

Common mistakes to avoid

Check units, decimal points, percentages, signs, date/time order, selector choices, and rounding. For important decisions, verify the result against an independent source or qualified professional when appropriate.