Free NuCast Broadcaster Tool

Radio Bandwidth Calculator.

Estimate how much bandwidth your internet radio station could use each month based on bitrate, simultaneous listeners and listening time.

✓ Instant Calculation
✓ Free Broadcaster Tool
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NuCast Bandwidth Estimate Calculator
Monthly Bandwidth
15,921 GB
Example monthly station usage
Bitrate 128 kbps
Audience Listeners
Estimate Instant
Broadcaster Resource ● Ready To Calculate
Instant Estimates Results update as you type
Flexible Bitrates 8kbps through to 512kbps
Audience Planning Model simultaneous listeners
Free Resource Built for radio broadcasters
Bandwidth Estimator

How Much Bandwidth Will Your Station Use?

Adjust the values below to estimate the monthly data transfer generated by your radio audience.

01

Station Usage

Enter your expected streaming activity.

Common bitrate presets
Audio bitrate of your radio stream.
kbps
8 128 256 512 kbps
Average simultaneous listeners connected to the stream.
users
1 250 500 1000+
Average number of hours listeners remain connected each day.
hrs
0 6 12 24 hrs
Number of days this listening pattern occurs during the month.
days
1 10 20 31 days
02

Your Estimate

Calculated instantly from your station settings.

Estimated Monthly Bandwidth
460.80 GB
Per Listener / Month 4.61 GB
Listener Hours 24,000
Bandwidth Per Hour 5.76 GB
Bandwidth Per Day 46.08 GB
Important: This calculator assumes the selected number of listeners remain connected continuously for the full listening period entered. Actual usage will vary as listeners join, leave and reconnect.
Understanding Bandwidth

What Affects Radio Streaming Usage?

Bandwidth usage increases according to your audio bitrate, audience size and the amount of time those listeners stay connected.

kbps

Streaming Bitrate

A higher bitrate transfers more audio data every second. For example, a 256 kbps stream consumes twice as much bandwidth as a 128 kbps stream under the same listening conditions.

Users

Connected Listeners

Internet radio streams send audio separately to each connected listener, so bandwidth increases directly as your simultaneous audience grows.

Time

Listening Time

The longer your audience remains connected each day, and the more days that listening occurs, the greater your monthly data transfer becomes.

How The Estimate Is Calculated
Bitrate ÷ 8 × 3,600 × Hours × Days × Listeners

Bitrate is supplied in kilobits per second. Dividing by 8 converts bits to bytes. The calculator then multiplies the resulting data rate by listening time and simultaneous listeners before converting the result into displayed bandwidth units.

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