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Bandwidth & File Transfer Time Calculator - Download Speed Estimator
Calculate exact download and upload times for gigabyte and terabyte file transfers across 100Mbps, 1Gbps, and 10Gbps network connections.
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Continue to Free Tool / Download →Estimating Network File Transfer Times & True Throughput
Network service providers advertise bandwidth in Megabits per second (Mbps), whereas file sizes on disk are measured in Megabytes (MB) or Gigabytes (GB). Understanding the 8:1 bit-to-byte ratio is critical to estimating transfer windows.
The Conversion Formula
Transfer Time (Seconds) = (File Size in Megabytes * 8) / Effective Network Speed in Mbps| File Size | 100 Mbps Connection | 1 Gbps (1000 Mbps) | 10 Gbps Enterprise |
|---|---|---|---|
| 5 GB (HD Video) | 6 Mins 40 Secs | 40 Seconds | 4 Seconds |
| 50 GB (Database Backup) | 1 Hour 6 Mins | 6 Mins 40 Secs | 40 Seconds |
| 1 TB (Disaster Recovery) | 22.2 Hours | 2.2 Hours | 13.3 Minutes |
Always factor in a 10% to 15% TCP/IP protocol overhead and packet latency margin when planning scheduled database replication windows.
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