Video & subtitles

Frames ↔ time converter

Calculate frame counts and elapsed time using an explicit frame rate.

Runs in your browser · No file or text uploads
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ABOUT THIS TOOL

What Frames ↔ time converter helps you do

Check the duration of a frame count or the number of frames needed for a particular clip length.

How to use it

  1. Choose frames to time or time to frames.
  2. Select the project’s exact frame rate.
  3. Choose a frame rounding rule and calculate.

Input and output example

INPUT
300 frames at 30 fps
OUTPUT
10 seconds · 00:00:10.000

Supported formats and limits

  • Supports 24, 25, 30, 50 and 60 fps, plus 24000/1001, 30000/1001 and 60000/1001.
  • Frame counts must be nonnegative safe integers; durations are limited to 1 billion seconds.
  • SMPTE drop-frame numbering and variable frame rates are unsupported.

How the result is calculated

Time = frames ÷ FPS; frames = time × FPS. Fractional rates use their rational value rather than a rounded 29.97. Time-to-frame output uses the selected nearest, floor or ceiling rule.

Frequently asked questions

Is this equivalent to 29.97 DF timecode?

No. It calculates elapsed time and continuous non-drop frame counts. It does not parse semicolon-based SMPTE drop-frame numbering.

Why is the timecode limited to three decimals?

The readable timecode rounds to milliseconds. A separate seconds value is shown to up to nine decimal places.