How do I convert Overworld coordinates to Nether coordinates?

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, 1600) becomes Nether (100, 64, 200).

Why does my Nether portal link to the wrong place?

Portals link to the nearest existing portal within 128 blocks (in the Nether) of the calculated destination. If another portal is closer, it will link there instead. Use our Portal Linking Validator to check if your portal placement will work.

How far apart should Nether portals be?

Overworld portals should be at least 1,024 blocks apart (128 × 8) to avoid linking conflicts. In the Nether, portals need to be at least 128 blocks apart. Use the Spacing Checker to verify.

How much obsidian do I need for a Nether portal?

A minimum portal (4×5) needs 10 obsidian without corners or 14 with corners. The maximum portal size is 23×23. Use the Obsidian Calculator to find exact amounts for any size.

What is the best Y level for Nether portals?

Build Nether portals at Y=15 to stay below the lava sea level (Y=31) where lava lakes are common. For Nether roof access, build at Y=120 or above.

Is there a difference between Java and Bedrock portal linking?

Both editions use the same 8:1 ratio and 128-block search radius. However, some edge cases behave differently. Toggle between Java and Bedrock mode in the calculator for edition-specific calculations.

下界传送门计算器

在主世界和下界维度之间转换坐标，实现完美的传送门连接。

版本：

提示：使用方向键切换标签页

下界传送门如何运作

下界维度比主世界小8倍。这意味着在下界走1格等于在主世界走8格——使下界高速公路成为长距离旅行的超高效方式。

转换公式：

主世界 → 下界： X ÷ 8, Z ÷ 8
下界 → 主世界： X × 8, Z × 8
Y坐标： 保持不变（但在下界有限制）

提示： 在Y=15处建造下界传送门以避开岩浆湖并保持在岩浆海平面（下界Y=31）以上。

想了解更多？

学习传送门机制、连接策略，以及如何构建高效的枢纽系统。

阅读传送门指南

下界传送门计算器

下界传送门如何运作

转换公式：

想了解更多？

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下界传送门计算器

维度坐标转换器

下界传送门如何运作

转换公式：

想了解更多？

相关工具

经验值计算器

服务器追踪器

维度坐标转换器