baitni fu'ivla

x1 is measured in x2 (default 1) bytes (unit of data/information, = 8 bits)

See skami, datni, bitnymei, bitni // Decimal prefixed forms (powers of 1000): ki'orbaitni megbaitni gigbaitni tetybaitni petybaitni xexybaitni zepybaitni gotybaitni // Binary prefixed forms (powers of 1024): kirbibaitni merbibaitni girbibaitni terbibaitni perbibaitni xerbibaitni zerbibaitni gorbibaitni

In notes:

bitnymei
x1 is measured in x2 (default 1) bit-groups, each consisting of x3 bits of logarithmic base x4
bitni
x1 is measured in x2 (number, default 1) bits/shannons (unit of data/information) of logarithmic base x3 (default 2)
ki'orbaitni
x1 is measured in x2 (default 1) kilobytes (103 bytes)
kirbibaitni
x1 is measured in x2 (default 1) kibibytes (210 bytes)