How is ec2 billed?

Answer

 EC2 usage is calculated by either the hour or the second, depending on which AMI you're running.

• If your instance is billed by the hour, then you're billed for a minimum of one hour each time a new instance is...
• If your instance is billed by the second, then you're billed for a minimum of 60 seconds each time a new instance is...
• Instances that are in any other state aren't billed.