How much space will a gameplay recording use?
PC / FPS
Estimate constant-bitrate video plus audio in decimal GB. Variable bitrate, container overhead and encoder decisions change actual size. The result is a storage plan, not an encoding quality recommendation.
Result
- Storage (GB)
- 4.5432
Formula
GB = (video Mbps + audio kbps / 1000) × 60 × minutes / 8000
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Using this reference
Use the combined average bitrate to estimate a recording, keeping video in Mbps and audio in kbps. For example, 20 Mbps of video plus 192 kbps of audio for 30 minutes gives about 4.54 GB in decimal units.
Doubling duration doubles the estimate; changing resolution alone does not change this calculation unless bitrate changes too. Variable bitrate and container overhead can make the actual file differ. For a long recording, compare a short file made with your real settings before relying on the estimate for remaining disk space.
Sources and scope
Public source snapshot; changes after this version may differ. 2026-11-03