How to use this tool
- Estimate how long a playback buffer lasts during sustained throughput below media bitrate.
- Set buffered media, media bitrate, available throughput in the indicated units.
- Calculate and compare buffer drain rate, time until buffer exhaustion.
Try this example
{
"buffer": 20,
"media": 5,
"network": 3
}Accuracy and scope
Idealized educational model. Enter measured values in the displayed units; real systems may require additional corrections.
Is my data uploaded?
This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.