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Time-Lapse Interval Calculator

Work out how often to shoot so a long scene plays back as a short clip. Runs locally in your browser.

hours of real time to capture
whole number, 0–720
extra minutes on top of the hours
whole number, 0–59
seconds of final footage
0.5–3600 s
playback frame rate of the clip
Enter a shoot duration and clip length.

Interval = shoot time ÷ (clip length × frame rate). Frames are rounded to a whole number, so the finished clip can differ from the target by a fraction of a frame. Keep every exposure shorter than the interval and let the camera settle between frames; the table below shows what whole-second intervals give for this shoot.

Whole-second intervals

IntervalFramesClip at 30 fps
Results appear here.