Tools
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Pi-hole FTL Memory & Blocklist Sizer
Estimate the memory footprint of a Pi-hole install from the number of blocked domains you plan to load and your daily query volume, so you can tell a 512 MB decision from a 2 GB one before buying hardware.
Guides that use it
- Pi-hole hardware requirements — the documented minimums and what the sizer adds to them.
- Pi-hole not blocking ads — when list bloat is the cause rather than the fix.