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.

All homelab tools and guides ->

3D printing

3D Print Cost & Pricing Calculator Enter filament, print time, and your rates to get the full cost breakdown, a suggested price, and your profit per print.

PLA vs PETG: which should you use? Strength, heat, ease of printing, and when to pick each.
How much does it cost to 3D print? Filament, power, machine wear, failed prints, and your time.

All 3D printing tools and guides ->