Hi,
The Standard tier in Azure supports databases up to 1Tb in size. If your database will grow you may need to switch to the Premium tire which is much more expensive.
Standard 100DTU $168.83 per month
Premium 250DTU $915.00 per month
https://docs.microsoft.com/en-us/azure/sql-database/sql-database-service-tiers
You can use a calculator - https://azure.microsoft.com/en-us/pricing/calculator