Free engineering utility
Upload Time Calculator
Calculate theoretical and realistic HTTPS multipart upload times, accounting for decimal bytes vs megabits and TCP/TLS framing overhead.
Unit (SI)
Mbps
Megabits per second — enter your upload, not download, speed.
7%
3% — ideal15% — lossy / high-latency
Realistic upload time · 7% overhead
14m 16s
Theoretical raw line rate
13m 20s
(Bytes × 8) ÷ (Mbps × 1,000,000) × (1 + overhead)
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