PCM payload · storage planning

Calculate exact PCM bytes or recording time.

AudioSize fits whole sample frames and keeps decimal GB separate from binary GiB without uploading audio.

Exact local arithmetic

PCM storage workspace

No audio upload
Hz

The exact result is PCM sample payload only. WAV/BWF/AIFF headers, metadata, filesystem space, recorder reserves, and compressed formats are excluded.

Complete-frame result

PCM storage result

Exact sample payload635040000 B635.04 MB · ≈605.621337890 MiB
Complete frames158760000
Block alignment4 B
Byte rate176400 B/s
Bit rate1411200 bit/s
Decimal storage635.04 MB
Binary storage≈605.621337890 MiB

158760000 frames × 4 B = 635040000 B

Frame counts and bytes remain exact integers. The ≈ sign appears only when a rational duration or unit conversion has a non-terminating decimal display.