mb vs gb vs kb
1 Kb is 1,024 bytes 1 MB (megabyte) is 1,024 kilobytes 1 GB (gigabyte) is 1,024 megabytes 1 Terabyte is 1,024 Gigabytes 1 Petabyte is 1,024 terabytes 1 Exabyte is 1,024 petabytes 1 Zettabyte is 1,024 petabytes 1 Yottabyte is 1,024 zettabytes And there may be others bigger. That's as far as my knowledge goes.n your list, GB is the biggest. Byte = 8 bits KB (kilobyte) = 1024 bytes MB (megabyte) = 1024 kilobytes GB (gigabyte) = 1024 megabytes TB (terabyte) = 1024 gigabytes (not positive, but I think the next step is PB (picobytes) which is 1024 terabytes). serogers1970 Â· 8 years ago. Thumbs up.