Notam 2 la puterea a 10-a cu 2^10. Atunci:
1GB=2^10 MB=2^20 KB=2^30 octeti = 2^40 biti
1PB=2^10 TB=2^20 GB= 2^30 MB =2^40KB =2^50 octeti =2^60 biti
1MB=2^10 MB=2^20KB=26^30 octeti=2^40 biti
1TB=2^10 GB=2^20 MB =2^30KB =2^40 octeti =2^50 biti
1 EB =2^10 PB=2^20 TB=2^30 GB= 2^40 MB =2^50KB =2^60 octeti =2^70 biti
