Minecraft Nether Portal Calculator
Turn Overworld coordinates into Nether coordinates and back, so the portal you build links to the one you want.
- Overworld : Nether
- 1 : 8
- Portal search (Nether)
- 16 blocks
- Portal search (Overworld)
- 128 blocks
One block in the Nether equals 8 in the Overworld: divide the Overworld X and Z by 8 to get the Nether spot (1,000 → 125), and multiply by 8 to go back. Y doesn't change. A portal links to the nearest portal within 16 blocks of that spot in the Nether, or 128 blocks in the Overworld.
Coordinate converter
Calculated/execute in minecraft:the_nether run tp @s 100 64 -30Save your portals as waypoints
Save your base, portals and finds as waypoints with their coordinates, synced to your MetaBot account. The Nether Portal Calculator converts Overworld and Nether coordinates so linked portals line up.
- Waypoints for your base and portals
- Overworld ↔ Nether conversion
- Synced to your account
Distance examples
CalculatedTravelling through the Nether covers 8× the distance.
| Overworld | Nether |
|---|---|
| 100 | 12 |
| 500 | 62 |
| 1,000 | 125 |
| 5,000 | 625 |
| 10,000 | 1,250 |
| 30,000,000 | 3,750,000 |
Data: Minecraft Java Edition 26.3 game files. How we source this
Linking portals
- Build the Nether portal at the converted coordinates; the game uses the closest existing portal within the search range, otherwise it creates a new one.
- Two Overworld portals closer than 8 × 16 blocks apart can end up sharing one Nether portal — space them out or build both Nether sides by hand.
Nether coordinates are Overworld X and Z divided by 8. Portals link within 16 blocks in the Nether and 128 in the Overworld.
Help us maintain accuracy! If you notice incorrect stats, missing data, or any issues, your feedback directly improves the quality of our data for the entire community.
Nether portal FAQ (Java 26.3)
What is the Nether to Overworld ratio?
1:8 — one Nether block is 8 Overworld blocks on X and Z.
How do you link nether portals?
Divide the Overworld portal's X and Z by 8 and build the Nether portal there; it links if no other portal is closer within 16 blocks.
Does the Y coordinate change in the Nether?
No, only X and Z are scaled.
How big does a nether portal have to be?
The smallest frame is 4 blocks wide and 5 tall (10 obsidian if you skip the corners).