Timecode Calculator

64 reviews
Content rating
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About this app

TcCalc is a film and video time code/timecode calculator. It supports all the major frame rates (23.98, 24, 25, 29.97, 30, 50, 59.94 and 60) as well as drop and not drop frame time codes. Time codes can be displayed as frame values or standard time code strings. Time code operations include adding, subtracting, multiply and dividing and time code types can be switch during operations without losing the current frame value.

Supported Video Standards

23.98 TT (24000/1001 True Time)
23.98 (23.98 Time Code, NTSC/FILM)
Film 24 (720/1080p 24, p 23.98, psf 24, psf 23.98, 2K, 4K)
PAL 25 (720/1080i25/i50, p25)
DF 29.97 (NTSC, 720/1080i 29.97, 30, 59.94, 60)
NDF 30 (NTSC NDF, 720/1080i 29.97, 30, 59.94, 60)
PAL 50 (720/1080p 50, for editing use PAL 25)
DF 59.94 (720/1080p 59.94, for editing use DF)
NDF 60 (720/1080p 50, for editing use NDF)

Free desktop versions of TcCalc are also available for Windows (XP~8) and Mac OS-X at:
For software ingest, output, vtr control and transcode with Aja, BlueFish444 and BlackMagic cards, visit:
Updated on
Nov 15, 2018

Data safety

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Ratings and reviews

61 reviews
Its Myname
March 20, 2021
The app works. It could have less simplified (more) frame rate choices, for those looking to match specific DF/NDF rates without guesswork. For those complaining, they often don't give their example so others can see if the issue is real or user error.
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December 7, 2022
Great little app that uderstands the needs of the Film / TV industry.
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Christopher Kendalls
January 6, 2021
A little confusing. Needs instructions.
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What's new

Version 1.3:
Google SDK update
Version 1.2:
Security update
Version 1.1.4:
- Fixed DF calculation issues
- Added automatic reset of working value in multi value calculations
- Fixed memory register handling
Version 1.1.6:
- Added 23.98 and 23.98 True Time modes
- Fixed post calculation numeric entry reset
- Allowed for continuing operations after an operation
- Match 23 TT/23.98 end marks to DF/NDF

App support