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TimeCalc adds/subtracts SMPTE time codes, or hours/minutes/seconds. The calculator operates in 4 modes:
  • hours and minutes;
  • hours, minutes and seconds;
  • SMPTE frames; and
  • SMPTE frames and subframes.

SMPTE subframes are computed at 80 subframes to the frame. SMPTE frames rates can be any of 4:

  • 24 fps,
  • 25 fps,
  • 29.97 fps and
  • 30 fps.
When set at 29.97 fps, the calculator takes into account drop frames. Drop frame SMPTE timecode drops frame numbers 0 and 1 of the first second of every minute, and includes them when the number of minutes is divisible by ten.

What's New

Version 3.0: Operates more like a standard calculator. Handles negative times.


Mac OS X 10.4 or later

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4 1


Current Version (3.x)


Downloads 5,047
Version Downloads 1,833
Type Business / Finance
License Free
Date 18 Nov 2008
Platform OS X / PPC 32 / Intel 32
Price Free
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