Online utilities
Scale Minecraft Overworld and Nether X/Z coordinates in either direction while leaving Y unchanged.
Only X and Z are divided or multiplied by eight. Calculations and controls run in this browser tab.
For Nether travel, one horizontal Nether block corresponds to eight horizontal Overworld blocks. Divide Overworld X and Z by 8 to estimate the Nether target; multiply Nether X and Z by 8 to estimate the Overworld target. Y is not scaled by this rule. For example, Overworld X −80, Z 160 maps to Nether X −10, Z 20. Negative coordinates retain their sign.
The calculated point is a coordinate target, not a guarantee that a portal will appear there. The game searches for a usable destination and can link to another existing portal or create one at a nearby valid position. Exact behavior can depend on edition, version, elevation and build geometry. If two portal pairs connect unexpectedly, inspect both actual coordinates rather than relying only on the 8:1 rule.
This tool reports decimal target positions instead of silently rounding negative coordinates. When placing blocks, choose a nearby integer position and consider local terrain. Long-distance travel estimates should also account for walking paths, hazards and portal construction. No game data is uploaded; this is arithmetic performed in the browser.
Example: Overworld (−80, 64, 160) maps horizontally to Nether (−10, 64, 20).
Use the sample inputs above to reproduce the example. Results display practical rounded values; real measurements and agreements can involve more uncertainty than the arithmetic.
One Nether block represents eight Overworld blocks horizontally.
No. This calculator leaves Y unchanged.
Portal search, valid terrain and existing portals can change the destination.
They are scaled with their sign retained.
Last reviewed: November 1, 2026. Verify source conditions, local requirements, and product or contract terms before consequential decisions.
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