Lumos Speed Test Calculator

Estimate your download and upload speed using a simple file-time method.

Inputs

Download Size (MB)

Download Time (seconds)

Upload Size (MB)

Upload Time (seconds)

Results

Updates instantly

32.00 Mbps

Estimated download speed

Upload Speed

13.33 Mbps

Ratio

2.4x

Can't find the calculator you need?

Send your request or a correction and we'll review it within 24 hours.

You can also use the Feedback button in the bottom-right corner.

About This Calculator

Speed (Mbps) is calculated by converting MB to megabits (×8) and dividing by time in seconds. This gives a simple estimate for download and upload performance.