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4K Streaming Bandwidth Calculator

Size a connection for 4K UHD streaming, which needs roughly 25 Mbps per stream once protocol overhead is included.

About 4K Streaming Bandwidth Calculator

Concurrent sessions multiplied by per-session bitrate gives the aggregate demand; the overhead factor covers packet headers and retransmissions. Dividing by 8 converts bits per second into bytes to get the data volume. Sizing a link on average usage guarantees congestion at peak, and monthly data volume is what actually triggers a cap or an overage charge on a 4K stream.

Formula

4K Streaming Bandwidth

Bandwidth (Mbps) = Concurrent 4K streams × Bitrate per 4K stream × (1 + overhead)

Concurrent 4K streams
Concurrent sessions
Bitrate per 4K stream
Sustained bitrate of one session

Worked example

With the default values below, 4K Streaming Bandwidth Calculator returns Required Bandwidth of 55.00. Change any input above and every figure here is recalculated in your browser.

Inputs used

Concurrent 4K streamsminimum 0
2
Bitrate per 4K streamminimum 0 Mbps
25 Mbps
Protocol overheadaccepts 0–100 %
10 %
Hours of use per dayaccepts 0–24 h
4 h

Results

Required Bandwidth
55.00 Mbps
Required Bandwidth
0.0550 Gbps
Data per Hour
24.75 GB
Data per Day
99.00 GB
Data per 30 Days
2,970.0 GB

Step by step

  1. 1Values used
  2. 24K Streaming Bandwidth
  3. 3Required Bandwidth= 55.00 Mbps
  4. 4Required Bandwidth= 0.0550 Gbps
  5. 5Data per Hour= 24.75 GB
  6. 6Data per Day= 99.00 GB
  7. 7Data per 30 Days= 2,970.0 GB

Assumptions and limits

  • The result is derived only from the 4 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
  • Figures are rounded for display to 4 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Frequently Asked Questions

How is 4K Streaming Bandwidth calculated?

Bandwidth (Mbps) = Concurrent 4K streams × Bitrate per 4K stream × (1 + overhead) Concurrent sessions multiplied by per-session bitrate gives the aggregate demand; the overhead factor covers packet headers and retransmissions. Dividing by 8 converts bits per second into bytes to get the data volume.

Why does 4K Streaming Bandwidth matter?

Sizing a link on average usage guarantees congestion at peak, and monthly data volume is what actually triggers a cap or an overage charge on a 4K stream.

What values do I need to enter?

This calculator takes 4 inputs: Concurrent 4K streams, Bitrate per 4K stream, Protocol overhead, Hours of use per day. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.

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