How much data does Posting stories & reels use?
About 120MB a day.
Uploads are counted separately from the scrolling you do to look at everyone else's.
Posting stories & reels data usage by setting
| Setting | Data | 1GB lasts | Source |
|---|---|---|---|
| Rarely | 0 MB/day | — | measured |
| A few a day | 120MB/day | 8.5 days | measured |
| Constantly | 450MB/day | 2.3 days | measured |
Published means the service states the figure itself. Bitrate means it's arithmetic from a documented stream rate. Measured means it's corroborated across independent tests. Real usage moves with signal strength and how aggressively the app pre-buffers.