Apps & Tools

Streaming Bitrate Calculator

Enter your measured upload speed to get a safe OBS video bitrate, resolution, and encoder recommendation for your platform.

Your Upload Speed

Upload Speed

Unit

Run a speed test (e.g. fast.com or speedtest.net) at the time of day you actually stream — upload speed can vary, and Wi-Fi is typically slower and less stable than wired ethernet.

Target Platform

Target Resolution & Frame Rate

Recommendation

Safe

Why Bitrate Is the Whole Game

Every streaming platform re-encodes or passes through what you send at a fixed rate, if your bitrate exceeds what your upload connection can sustain, frames get dropped or buffered, and viewers see freezing and stutter regardless of how good your source footage is. Getting the bitrate right is more important than resolution or frame rate.

The 75% Rule

Never set your streaming bitrate to your full measured upload speed. Reserve at least 25% headroom for network overhead, other devices on your connection, and momentary speed fluctuations. A bitrate set right at your ceiling will drop frames the moment anything else uses bandwidth.

Resolution vs. Frame Rate Trade-off

If your upload speed can't support your first choice, drop frame rate before resolution for talking-head or podcast-style content (30fps is barely noticeable for static shots), but drop resolution before frame rate for fast motion content like gaming, where smoothness matters more than sharpness.

FAQ

Q: Why does Twitch look worse than my local recording at the same settings?
A: Twitch enforces a hard bitrate ceiling well below what 4K or high-bitrate 1080p60 local recording uses. Platform caps exist regardless of your upload speed. Check the platform's current limits before assuming your connection is the bottleneck.

Q: Should I use CBR or VBR?
A: Use CBR (Constant Bitrate) for live streaming. It keeps a steady bitrate that's predictable for the platform and your connection. VBR is for local recording where average quality matters more than a steady rate.