PCM Audio Storage Calculator
Estimate uncompressed audio size from sampling format.
Your inputs
Calculation results
Formula & assumptions
Bytes = sample rate × bit depth × channels × seconds / 8; headers are excluded.
Values use the specified units. Calculations use floating-point arithmetic. Check input measurements and formula assumptions before applying the result.
Compare your scenarios
Save up to five results to compare changes side by side. Scenarios stay in this tab until you clear or reload it.
Using PCM Audio Storage Calculator
Estimate uncompressed audio size from sampling format.
- Enter sample rate, bit depth, channels, duration using the units printed under each field.
- Choose Calculate, or enable live updates. Review the result labels and formula assumptions.
- Save scenarios to compare up to five variations, then copy the report or download JSON or CSV.
Example
Sample rate: 48000 samples per second Bit depth: 24 bits Channels: 2 channels Duration: 10 minutes Data rate · kilobits per second: 2304 Raw audio · MiB: 164.79492
Questions & answers
What does PCM Audio Storage Calculator calculate?
Estimate uncompressed audio size from sampling format.
Which units should I enter?
Sample rate uses samples per second. Bit depth uses bits. Channels uses channels. Duration uses minutes. Convert values to these units before calculating.
Which formula does it use?
Bytes = sample rate × bit depth × channels × seconds / 8; headers are excluded.
What does the included example show?
Sample rate: 48000 samples per second; Bit depth: 24 bits; Channels: 2 channels; Duration: 10 minutes. Result: Data rate · kilobits per second = 2304; Raw audio · MiB = 164.79492.
Can I compare different settings?
Yes. Save a scenario, change the inputs and save another result. Up to five scenarios are compared in this tab; they disappear when you reload or leave.
Can I export the calculation?
Copy the JSON report or download JSON and CSV with inputs, result labels and numeric values. Processing uses local JavaScript; no calculation request is sent to our server. Displayed values use up to 10 significant digits; exports retain JavaScript numeric precision.
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