FPS to MS Converter

Convert frame offsets into the millisecond value OBS needs for Sync Offset.

OBS Sync Offset math
Common FPS presets
Positive and negative offsets
01

Audio position

Watch your clap test or editor timeline and choose what you actually hear.

02

Recording FPS

Use the FPS from OBS video settings or the timeline where you counted frames.

FPS
03

Frames off

Enter how many frames you moved the audio in your editor to line it up.

frames

Common frame intervals

  • 23.976 FPS41.71 ms
  • 24 FPS41.67 ms
  • 25 FPS40 ms
  • 29.97 FPS33.37 ms
  • 30 FPS33.33 ms
  • 50 FPS20 ms
  • 59.94 FPS16.68 ms
  • 60 FPS16.67 ms

OBS sync notes

  • Positive values delay audio when it arrives before the video.
  • Negative values pull late audio back into sync.
  • Drift over time usually points to mismatched sample rates. Keep OBS and devices at 48 kHz.

We use cookies to improve your experience

We use cookies and similar technologies to provide essential functionality and analyze usage. You can manage your preferences anytime. See our Cookie Policy for details.