RAID Calc2

Understand your RAID before you build it. RAID Calculator gives you quick, accurate estimates of usable capacity and redundancy for common RAID levels. Whether you’re planning a homelab, sizing storage for a small office, or just learning how RAID works, this simple calculator helps you reason about your arrays in seconds. Features • Supports common RAID levels (e.g., RAID 0, 1, 5, 6, 10)* • Enter disk size and disk count to see usable capacity • See how many drive failures your configuration can tolerate • Works completely offline – no accounts, no analytics, no ads • Clean, focused UI with instant results Privacy-friendly by design All calculations run locally on your device. RAID Calculator doesn’t collect personal data, use trackers, or send your RAID configurations anywhere. Who is it for? • Homelab and NAS enthusiasts • IT admins and sysadmins • Students learning about storage and redundancy • Anyone who wants a quick RAID sanity check Plan your arrays with more confidence and less guesswork.