How does the audio file size calculator compute uncompressed audio?

Our audio file size calculator multiplies sample rate (Hz), bit depth (bits), number of audio channels, and total length in seconds. For standard CD quality (44.1 kHz, 16-bit, stereo), 1 minute takes approximately 10.58 MB.

What is the formula used by this sound file size calculator for MP3 and AAC?

In our sound file size calculator, compressed audio is determined directly by bitrate: File Size (MB) = (Bitrate in Kbps * Duration in seconds) / (8 * 1024). A 60-minute podcast at 128 Kbps takes roughly 56.25 MB.

Audio Engineering & Podcast Production

Audio File Size Calculator & Sound Storage Studio

Forecast audio recording requirements with our audio file size calculator. The industry-standard sound file size calculator for music producers, DAW recording sessions, podcast hosts, and mastering engineers.

Audio Format Parameters

PCM & Compressed

Audio Standard Preset

Sample Rate (kHz)

Bit Depth

Audio Channels

Compression Type

Duration: Minutes

Duration: Seconds

Estimated Digital Audio File Size

777.60 MB (= 0.778 GB)

Data Bitrate 2,304 Kbps 2.30 Mbps PCM

MP3 320kbps Equivalent 108.0 MB 86% Smaller

Podcast 128kbps Size 43.2 MB 94% Smaller

Audio File Size Calculator Mathematical Proof:

• Data Bitrate = 48,000 Hz × 24 bits × 2 channels = 2,304,000 bits/sec (2.304 Mbps)

• Total Size = 2,304,000 bps × 2,700s ÷ 8 = 777,600,000 Bytes (777.60 MB)

DAW Session Planning with Audio File Size Calculator

Recording high-sample-rate audio multitracks consumes SSD storage rapidly. Our audio file size calculator enables studio producers and recording engineers to estimate exact gigabyte requirements for full band sessions across 32-channel audio interfaces.

Podcast & Streamer Sound File Size Calculator

Hosting audio episodes on platforms like Libsyn, Spotify, or Apple Podcasts requires staying within monthly upload quotas. This sound file size calculator accurately models bitrates from 64 Kbps voice tracks to 320 Kbps broadcast masters, ensuring seamless subscriber downloads.

Frequently Asked Questions

How much storage does 1 hour of uncompressed WAV audio use?

At standard CD quality (44.1 kHz, 16-bit, stereo), 1 hour of uncompressed WAV audio takes roughly 635 MB. At studio film quality (48 kHz, 24-bit, stereo), it uses approximately 1.037 GB per hour.

Does recording in mono cut the file size in half?

Yes! Because mono records a single audio stream rather than separate left and right channels, an uncompressed mono recording uses exactly 50% of the storage space required by a stereo recording.