← ToolsSMPTE · 23.976–60 fps · DF
Timecode calculator
Timecode to frames and back, fps changes, drop frame.
Runs in your browser. Nothing is uploaded.
Frame rate
Timecode
Type a timecode, or just the digits like on a desk keypad: 1000000 is 01:00:00:00.Total frames90000
Real time01:00:00.000
TC seconds3600
What the label reads.
Real time (s)3600
Back to timecode
Seconds, MM:SS or HH:MM:SS.mmm
Timecode · 2501:00:00:00
01:00:00.000
Timecode · 2501:00:00:00
90000 · nearest frame
Add, subtract, offset
Show LTC starts at 01:00:00:00? Subtract it to get song time, add it back for the cue list.Operation
Result · 2500:56:29:13
Total frames84738
00:56:29.520
Change frame rate
Target rate (25 →)
KeepThe moment in time stays put, the frame number changes. Use it when the material is re-timed.
01:00:00:00 → 29.97 DF01:00:00;00
00:59:59.996
Frames at target rate107892
LTC and MTC
MTC full frame messageF0 7F 7F 01 01 21 00 00 00 F7
LTC bit rate80 bits per frame, biphase mark: the audio fundamental is half to one times this.2000 bit/s
MTC quarter framesEight quarter-frame messages carry one full timecode, so it updates every two frames.100 /s
25: 2160000 frames in 24 hours