How does the Nether to Overworld coordinate calculator work?

Minecraft scales Nether coordinates by 8. To convert Nether → Overworld, multiply X and Z by 8. To convert Overworld → Nether, divide X and Z by 8.

Do Y coordinates convert too?

No. Only X and Z scale between dimensions. Y stays the same.

Why are my portals not linking correctly?

Portals try to link to the closest valid portal location. Small differences, terrain, and existing portals can cause mismatches—build portals near the converted coordinates for best results.

What’s the best way to line up portals?

Build one portal, note the coordinates, convert them, then build the other portal as close as possible to the converted X/Z.

Nether → Overworld Calculator FAQ

How does the Nether to Overworld coordinate calculator work?
Minecraft scales Nether coordinates by 8. To convert Nether → Overworld, multiply X and Z by 8. To convert Overworld → Nether, divide X and Z by 8.
Do Y coordinates convert too?
No. Only X and Z scale between dimensions. Y stays the same.
Why are my portals not linking correctly?
Portals try to link to the closest valid portal location. Small differences, terrain, and existing portals can cause mismatches—build portals near the converted coordinates for best results.
What’s the best way to line up portals?
Build one portal, note the coordinates, convert them, then build the other portal as close as possible to the converted X/Z.