SMPTE Timecode Calculator

Add, subtract, and convert SMPTE timecode values at standard frame rates. Useful for show control, QLab, video editing, and timecode-triggered cue programming.

Add / Subtract Timecode

Frame Rate

24 25 29.97 DF 29.97 NDF 30

Operation

Add Subtract

Timecode A

: : :

HH : MM : SS : FF

Timecode B

: : :

HH : MM : SS : FF

Result

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Timecode ↔ Total Frames

Convert between a timecode value and its total frame count (respects the selected frame rate and drop-frame mode).

Timecode

: : :

Total Frames

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Wall-clock Time

—

Frames

Timecode

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Wall-clock Time

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Frame Rate Conversion

See the same wall-clock moment expressed at every standard frame rate.

: : :

Source timecode at the frame rate selected above

Frame Rate	Timecode	Total Frames

Quick Reference

Frames per second

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Frame duration

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Frames in 1 min

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Frames in 1 hr

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Drop-frame?

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Separator

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Max TC (24h)

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Total frames (24h)

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