Calculate transfer time, required speed, or data volume
This bandwidth calculator helps you estimate file transfer times, required network speeds, or data volumes. Whether you are planning a large data migration, testing network performance, or simply curious how long a download will take, this tool provides quick and accurate results.
Real-world speeds are affected by network overhead, latency, congestion, and protocol limitations (TCP/IP overhead, encryption, etc.). The calculated value assumes ideal conditions with no overhead or interference.
Network speeds are typically measured in bits per second (bps), while file sizes are measured in bytes (B). There are 8 bits in 1 byte, so a 100 Mbps connection can theoretically transfer 12.5 MB/s. Our calculator handles this conversion automatically.