List of floppy disk formats Known disk logical formats Common floppy disk formats, logical characteristics by platform

| Platform | Size_ | Density | Bytes_sector | Sectors_track | Tracks_side | Sides | Capacity | Encoding_ |
|---|---|---|---|---|---|---|---|---|
| Apple II | 5¼in | double | 256 | 13 | 35 | 1 | 113.75 KB | GCR |
| Apple II | 5¼in | double | 256 | 13 | 35 | 2 | 227.50 KB | GCR |
| Apple II | 5¼in | double | 256 | 16 | 35 | 1 | 140 KB | GCR |
| Apple II | 5¼in | double | 256 | 16 | 35 | 2 | 280 KB | GCR |
| Apple II | 3½ in (90mm) | double | 512 | Variable (8-12) | 80 | 1 | 400 KB | GCR |
| Apple II | 3½ in (90mm) | double | 512 | Variable (8-12) | 80 | 2 | 800 KB | GCR |
| Apple II | 3½ in (90mm) | high | 512 | 18 | 80 | 2 | 1440 KB | MFM |
| Apple Macintosh | 3½ in (90mm) | double | 512 | Variable (8-12) | 80 | 1 | 400 KB | GCR |