Is this download time estimate exact?

No. It’s an estimate. Real downloads vary due to overhead, Wi‑Fi quality, congestion, and server limits.

Why is MB/s lower than Mbps?

Mbps is megabits per second. MB/s is megabytes per second. 1 byte = 8 bits, so MB/s is roughly Mbps ÷ 8 (before overhead).

It estimates how long it takes to download 100 MB at 1 Mbps.

FastDropper

Prefilled for 100 MB and 1 Mbps. Adjust values to match your real connection.

Download Time Calculator Mobile-first UI 1000 scenario pages

Enter file size and internet speed to estimate download time instantly.

File size

Example: 1500 MB or 2 GB

Unit

File size unit (binary). Internet speed is Mbps.

Internet speed (Mbps)

Example: 25, 100, 300

Tip

Use query params to prefill inputs.

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Based on the inputs above.

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Note: This estimate assumes a steady connection and does not include overhead, congestion, Wi‑Fi quality, or server limits.

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Use FastDropper to estimate download time for 100 MB at 1 Mbps. Results update instantly as you tweak inputs.

Tip: Server limits can cap speeds. Compare multiple speeds to get a realistic range.

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