Network Speed Calculator

Calculate download/upload times, convert bandwidth units, and estimate transfer speeds.

File Size

Connection Speed

Network Efficiency (%)

Account for protocol overhead (typically 85-95%)

Transfer Time

Estimated Time

Theoretical Speed

Actual Speed

Bandwidth Conversions:

Bits/sec: -

Bytes/sec: -

MB/sec: -

File Size:

In bytes: -

In bits: -

Common Speeds

Back to Networking

Home

Bandwidth Units

Bits vs Bytes:
- 1 Byte = 8 bits
- ISPs advertise in bits (Mbps)
- File sizes are in bytes (MB)

Common conversions:
- 100 Mbps = 12.5 MB/s max
- 1 Gbps = 125 MB/s max

? Frequently Asked Questions

How accurate is this

This calculator uses standard formulas and provides accurate results for typical use cases. For professional or critical applications, always verify results with certified professionals or official sources.

Is this calculator free to use?

Yes, this Network Speed Calculator is completely free to use with no registration required. You can use it as many times as needed without any limitations.

Can I use this on mobile devices?

Absolutely! This calculator is fully responsive and works perfectly on smartphones, tablets, and desktop computers.

How do I interpret the results?

The results are displayed clearly with appropriate units. Refer to the "About This Calculator" section for detailed information.