How to use this tool
Enter the requested values above. The result updates immediately so you can compare scenarios without creating an account or uploading data.
How the calculation works
Frame time in milliseconds = 1,000 ÷ frames per second
Example
At 60 FPS, each frame has approximately 16.67 milliseconds to render.
Why this result matters
Frame time is often more useful than FPS when profiling. A small increase in milliseconds can cause a visible frame-rate drop once the frame budget is exceeded.
Tips for a more useful estimate
- Profile on the actual target device.
- Watch spikes, not only the average.
- Measure CPU and GPU time separately when possible.
Frequently asked questions
What is the budget for 30 FPS?
Approximately 33.33 milliseconds per frame.
Does a 120 Hz screen guarantee 120 FPS?
No. The device and game must also render frames fast enough.
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