The VSE calculator is supplied as a free tool to make quick estimations over multiple workloads scattered over multiple sites. It can be used in a basic 2 Site (or datacenters) Design or can be configured to simulate a complex multi-site architecture hosting different workloads. It focuses on 3 main outputs...
Compute Requirements: CPU and Memory calculations for data processing by Veeam Components
Repository Requirements: Disk usage and/or object storage to store Veeam Backups
Transactions Usages: To add object or update object in Object storage, API calls are required. These API calls are generally called "transactions" and they are important for cost sizing of object storage
The Restore Point Calculator. Good for showing forward incremental chain and SOBR capacity tier policy.
LinkedIn: Timothy Dewin
The Veeam Backup Capacity Calculator
Best used for Primary Backup (Performance Tier), Backup Copy, and Capacity Tier sizing.
The Veeam Size Estimation Tool
Best used for management requirements, repository capacities, and per-site proxy and repository requirements (CPU, RAM, storage, etc...).
NOTE the option to import data from RVTools (see below).
"Quick tip: If you want to calculate ONLY using Cloud as a copy target for offsite data - do not turn on Capacity Tier under Workload settings - then go to the Object tab and you can select the Copy Only mode."
How to Size Veeam for YOUR Environment - Veeam Size Estimation Tool
SQL Express is bundled with Veeam. Consider using the full blown SQL if you are protecting more than 500 VMs or using files to tape extensively.