Extended support pricing applies to Cloud SQL instances that are running major versions in extended support. Refer to the Database version policies documentation for the extended support timelines of Cloud SQL major versions.
For dedicated-core instances, extended support is priced per vCPU per hour and charged for every second that the instance is running. For shared-core instances, extended support is priced per instance per hour and charged for every second that the instance is running. Extended support is charged in addition to regular instance pricing. For more details, see Billing on partial seconds. Pricing depends on the region where your instance is located. Select your region in the dropdown on the pricing table.
Read replicas are charged at the same rate as stand-alone instances.
HA prices are applied for instances configured for high availability, also called regional instances. Learn more about high availability.
In the following table, select your region from the dropdown menu to see the price for that region. To see how you can calculate your potential costs, please refer to this pricing example.