Does Y height convert between dimensions?
No. The useful portal conversion is X and Z. Choose a safe Y position in each dimension based on terrain.
Free Minecraft tool
Minecraft Nether portal coordinate calculator
Convert Overworld and Nether X/Z coordinates quickly so portals link cleanly across dimensions.
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What this tool includes
- Uses the standard 8:1 Overworld to Nether coordinate ratio.
- Rounds coordinates for easy in-game placement.
- Creates a shareable coordinate URL for server teammates.
Data, freshness, and limitations
Review where the tool gets its data and what the result can and cannot establish.
- Source and mode
- Minecraft's documented 8:1 Overworld-to-Nether coordinate ratio
- Reviewed
- Jul 22, 2026
- Methodology
- Calculates locally from the displayed assumptions and values entered by the user.
- Game rules and balance values can change after the reviewed date.
- The result is a planning estimate, not a guarantee.
Frequently asked questions
Why do portals sometimes link incorrectly?
Nearby existing portals can take priority. Build the matching portal close to the converted X/Z position for better linking.
Does this require access to my Minecraft account or server?
No. The calculator runs locally from coordinates you type into the page.