Confusion about usage amount in data transfer Cost and Usage Reports

Question

Hey! I'm going through my account's bills, and there are some cases where the `line_item_usage_amount` column shows a number that, when converted from GB to Bytes (i.e. multiplied by 1000000000), is a non-integer with 1 digit after the decimal point. I also tried to convert from GiB to bytes (multiply by 1073741824), and the numbers made even less sense.
Why would the data transfer amount be a non-integer?

Answer

Hi there,

I'm sorry to hear about this confusion.

I recommend reaching out to our Support team to take a look into this. You can do so by creating a case in our [Support Center](https://signin.aws.amazon.com/signin?redirect_uri=https%3A%2F%2Fsupport.console.aws.amazon.com%2Fsupport%2Fhome%3FhashArgs%3D%2523%26isauthcode%3Dtrue%26state%3DhashArgsFromTB_us-east-1_0c9e8470051fa835&client_id=arn%3Aaws%3Asignin%3A%3A%3Aconsole%2Fsupportcenter&forceMobileApp=0&code_challenge=CiuafT8zGQNpatP7dj4KWSu_8hfs6Cw5k5HmXTmeLhE&code_challenge_method=SHA-256).

— Aimee K.

Confusion about usage amount in data transfer Cost and Usage Reports

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