Data Transfer Calculators

Choose a calculator based on what you need to estimate: completion time, required bandwidth, real-world efficiency or the bottleneck in a transfer path.

Transfer time

Download TimeEstimate a file download from size and download speed.Open calculator →Upload TimeEstimate uploads and cloud-transfer time.Open calculator →Real-World Transfer TimeApply an expected efficiency factor.Open calculator →

Planning

Bandwidth RequiredFind the minimum bandwidth for a transfer window.Open calculator →Backup WindowPlan bandwidth with additional headroom.Open calculator →Data Transfer CapacitySee how much data a link can move per hour, day, week or month.Open calculator →Transfer EfficiencyCompare measured throughput with link capacity.Open calculator →

Advanced

Transfer BottleneckCompare source, network and destination limits.Open calculator →Parallel TransferModel multiple streams against a shared link.Open calculator →

Popular transfer-time examples

Compare the ideal transfer duration at common link speeds, then use a calculator to account for your actual throughput.

10 GB at 100 MbpsTransfer time and practical planning notesRead example →100 GB at 1 GbpsTransfer time and practical planning notesRead example →1 TB at 1 GbpsTransfer time and practical planning notesRead example →1 TB at 10 GbpsTransfer time and practical planning notesRead example →5 TB at 500 MbpsTransfer time and practical planning notesRead example →10 TB at 10 GbpsTransfer time and practical planning notesRead example →

Need help with terminology? Open the Data Transfer Glossary →