Uncompressed WAV Audio File Size Calculator
The problem: Multi-track studio recordings and 32-bit float audio can unexpectedly exhaust hard drive storage or SD card capacity during live sessions.
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Uncompressed WAV Audio File Size Calculator: the complete guide
An Uncompressed WAV Audio File Size Calculator computes exact byte counts, megabytes, and gigabytes for linear PCM audio recordings based on sample rate, bit depth, channel configuration, and multi-track session counts. Recording uncompressed 24-bit/48kHz or 32-bit float audio demands substantial hard drive throughput and SD card storage during live concert recordings and podcast productions. This tool provides accurate capacity planning for studio recording sessions.
The Pulse Code Modulation (PCM) Data Formula
Linear PCM file size is directly proportional to three acoustic capture parameters: Sampling Rate (samples captured per second in Hertz), Bit Depth (quantization precision in bits, divided by 8 to yield bytes per sample), and Channel Count. The mathematical formula is: Bytes = Sample Rate × (Bit Depth / 8) × Channels × Tracks × Duration in Seconds. Unlike MP3 or AAC, PCM audio does not use lossy perceptual compression.
32-Bit Float Recording and High Dynamic Range Storage
Modern field audio recorders (such as Sound Devices and Zoom F-series) capture 32-bit floating-point audio. While 32-bit float files occupy 33% more disk space than standard 24-bit files, they offer 1,528 dB of theoretical dynamic range, eliminating digital clipping even when microphones encounter sudden explosions or screams.
Step by step: how to use WAV Size Calc
- 1
Select your recording sample rate (e.g., 44.1 kHz for CD, 48 kHz for Film/Video, 96 kHz for Studio).
- 2
Choose your recording bit depth (16-bit, 24-bit, or 32-bit float).
- 3
Select your channel layout (Mono, Stereo, 5.1 Surround, or 7.1.4 Dolby Atmos Bed).
- 4
Input expected recording duration in minutes.
- 5
Adjust the simultaneous track slider if recording multi-channel live band or podcast sessions.
- 6
Inspect the calculated uncompressed megabytes, gigabytes, and required data transfer rate.
Security & privacy
Calculations run entirely in-browser. No hardware IDs, audio configurations, or recording session data are sent to any remote servers.