Download Time Calculator

Estimate download time based on file size and speed.

How to Do It Manually

Divide the file size (in bits) by the connection speed (in bits per second) to get download time in seconds.

Time (s) = File Size (bits) ÷ Speed (bps) [Convert MB to bits: × 8,000,000]
  1. Convert file size to bits (multiply MB by 8,000,000 or GB by 8,000,000,000).
  2. Convert speed to bits per second (Mbps × 1,000,000).
  3. Divide file size by speed to get seconds.
  4. Convert seconds to minutes/hours as needed.

Frequently Asked Questions

Why is my actual download slower than the calculator predicts?

Network overhead, server speed, congestion, and latency all reduce real-world speeds below the theoretical maximum.