Question: is a gigabyte a lot?
Answer: Firstly, it's worth explaining what each unit of measurement is worth. One megabyte (MB) is made up of 1,024 kilobytes (KB). The next measurement up is a gigabyte (GB), which is made up of 1024MB. The most popular plans offered by mobile phone companies are 1GB, 2GB or 5GB of mobile data allowance.