Tools for people who build and tinker
Dalil Tech
Free, no-nonsense calculators and guides for homelab, self-hosting, and 3D printing. No signup, no tracking beyond anonymous page counts.
Homelab & self-hosting
RAID / ZFS / unRAID Storage Calculator Usable capacity, fault tolerance, and cost per TB across RAID 0/1/5/6/10, RAIDZ1/2/3, and unRAID. Homelab Power & Electricity Cost Calculator Add your always-on devices, set your kWh rate, and see daily, monthly, and yearly electricity cost with a per-device breakdown. UPS Runtime & Sizing Calculator Estimate how long your UPS will run your gear, or work out what size UPS and battery you need for a target runtime.
- ZFS RAIDZ explained RAIDZ1 vs 2 vs 3, parity overhead, and which to pick.
- RAID vs unRAID How the two storage models differ, and when each fits.
3D printing
- How much does it cost to 3D print? Filament, power, machine wear, failed prints, and your time.