cdr/dvd/brd/hd-dvd capacity

 
cdr and other media capacity
Media Type MB/GB MiB/GiB total
sectors
or
clusters
  sector
or
cluster
size
  net bytes subtract
this
defect mgmt
overhead
total net bytes
HD-DVD (SL)* 15GB 14GiB ?? sectors of ?? bytes each= 16,106,127,360?? ?? 16,106,127,360??
HD-DVD DL 30GB 28GiB ?? sectors of ?? bytes each= 32,212,254,720?? ?? 32,212,254,720??
Blu-Ray BD-R XL 100GB (TL) 100.103GB 93.229GiB 1,527,456 clusters of 65536 bytes each= 100,103,356,416 0..196608 clusters ×3 layers yielding 0..38,654,705,664 bytes 61,448,650,752
Blu-Ray BD-R XL 128GB (QL) 128.002GB 119.211GiB 1,953,152 clusters of 65536 bytes each= 128,001,769,472 0..196608×4 clusters yielding 0..51,539,607,552 bytes 76,462,161,920

Blu-Ray BD-R 200GB (6L)

200.206GB (guess of future) 186.457GiB (guess of future) 3,054,912 (guess of future) clusters of 65536 bytes each= 200,206,712,832 (guess of future) 0..196608×6 clusters yielding 0..77,309,411,328 bytes 122,897,301,504
DVD-R DL 8544MB 8148MiB 4,171,712 sectors of 2048 bytes each= 8,543,666,176 1,082,003,456?? 7,461,662,720??
DVD+R DL* 8548MB 8066MiB 4,173,824 sectors of 2048 bytes each= 8,547,991,552 1,082,003,456?? 7,465,988,096??
0:54.42 CD-R 581MB 554MiB 283,500 sectors of 2048 bytes each= 580,608,000   580,608,000
74 Min CD-R 683MB 650MiB 333,000 sectors of 2048 bytes each= 681,984,000   681,984,000
90 Min CD-R 829MB 791MiB 405,000 sectors of 2048 bytes each= 829,440,000   829,440,000
99 Min CD-R 912MB 870MiB 445,500 sectors of 2048 bytes each= 912,384,000   912,384,000

¹equation for overhead incl. defect mgmt of BD-R (SL) disc is ((4096+(0..256)×16384))+(0..16)×256+(0..64)×256)×65536

²equation for overhead incl. defect mgmt of BD-R (DL) disc is ((4096+(0..256)×16384))+(0..16)×256+(0..64)×256)×65536×2

Toshiba has withdrawn support of HD-DVD.

CDR format used for data is CDR-i/XA where you get a standard 2048 bytes/sector.

I *think* BDR format for data is UDF rather than ISO9660.

Note: First session of multisession disc consumes 22MB, subsequent consumes 13MB.