Input Lag & Frame Pacing Estimator

Estimate frame-time, queue, scanout, and sync latency from your FPS and refresh rate.

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Set assumptions

Use the fields below, then run the calculation when your assumptions are ready.

Manual run

Average FPS

Monitor refresh rate (Hz)

Use a percentage-style value where 6 equals 6% unless otherwise noted.

Estimated render queue (frames)

Sync mode

Select one sync mode option that matches your assumptions.

Your result will appear beside these inputs.

Ready when values are complete

Fill the required fields, then run the calculator to see the result.

Waiting for complete inputs

Inputs at a glance

Recent inputsSaved on this device

Recent inputs

Local only

Repeat recent calculator, converter, or text entries without rebuilding the form.

Save across sessions

Enable analytics consent before saving recent inputs across sessions.

No recent inputs yet. Run a supported tool with local retention enabled to pin shortcuts here.

Help, FAQs & related tools

Shipped

What this tool does

Input Lag & Frame Pacing Estimator helps you estimate frame-time, queue, scanout, and sync latency from your FPS and refresh rate.

What you get

Input Lag & Frame Pacing Estimator produces a direct output in this page and is designed to keep processing on your device.

Something not working? Report a bug

If this tool misbehaves, share a quick summary so we can investigate. We include the tool URL automatically—no need to copy and paste.