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Minecraft Nether Portal Calculator - Coordinate Converter

Free online calculator to convert Overworld coordinates to Nether coordinates. Plan nether portals, calculate obsidian requirements, and travel distances.

Краткий ответ:Пересчитай координаты между Обычным миром и Незером в соотношении 1:8, чтобы порталы соединялись между собой, а не создавались заново.
OverworldNether

Overworld

Enter Overworld coordinates

Nether

Result

X
0
Y
0
Z
0

1 block in the Nether = 8 blocks in the Overworld

The Y coordinate is not scaled between dimensions, but affects portal linking distance.

How Nether Portal Coordinates Work

The Nether operates at 1/8 the scale of the Overworld on X and Z axes. This means travelling 1 block in the Nether is equivalent to 8 blocks in the Overworld, making it ideal for fast travel. Use this calculator to find the exact coordinates where you should build portals in each dimension to link them correctly.

Portal Linking Rules

When you enter a portal, the game searches for the nearest existing portal within range in the destination dimension. In Java Edition, the search radius is 128 blocks in the Nether and 1024 blocks in the Overworld. If no portal is found, a new one is created.

Tips for Perfect Portal Linking

  • 1.Build your Nether-side portal at the exact calculated coordinates for reliable two-way linking.
  • 2.Portals should be at least 1,024 blocks apart in the Overworld (128 in the Nether) to avoid cross-linking.
  • 3.The Y coordinate matters for linking distance — try to match Y levels when possible.
  • 4.Use F3 in-game to view your exact coordinates before entering them here.

Frequently Asked Questions

Divide your Overworld X and Z coordinates by 8 to get the corresponding Nether coordinates. The Y coordinate stays the same. For example, Overworld (800, 64, 400) becomes Nether (100, 64, 50). To convert from Nether to Overworld, multiply X and Z by 8.
The Y coordinate is not scaled in the conversion, but it IS used when the game calculates which portal to link to. The game uses 3D Euclidean distance including Y, so portals at very different heights can cause linking to the wrong portal.
The minimum nether portal (4 wide × 5 tall) requires 10 obsidian blocks without corners or 14 with corners. The maximum portal size of 23×23 requires up to 88 obsidian blocks with corners.
This happens when another portal is closer in 3D distance to your converted coordinates. Build a portal at the exact calculated coordinates in both dimensions. Portals must be at least 1,024 blocks apart in the Overworld (128 in the Nether) to avoid cross-linking.
Yes, the 1:8 coordinate ratio is the same for both Java and Bedrock editions. The main difference is that Bedrock uses a 128-block search radius in both dimensions, while Java uses 1,024 blocks in the Overworld and 128 in the Nether.
Portals should be at least 1,024 blocks apart in the Overworld (128 blocks in the Nether) to avoid cross-linking. If they are closer, the game may link your portal to a nearby one instead of creating a new one.
A nether hub is a central structure in the Nether connecting multiple portals for fast travel. Since 1 Nether block = 8 Overworld blocks, travelling through a nether hub reduces travel distance by 87.5%, making it the most efficient way to move between distant bases.
A boat on blue ice in the Nether is the fastest travel method in Minecraft. Blue ice boats travel at about 40 blocks per second in the Nether, which equals approximately 320 blocks per second in Overworld distance.

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