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Nether Coordinates and Portal Frame Blocks

Scale horizontal coordinates and count rectangular portal-frame blocks.

  • Formula & worked example
  • Private in your browser
  • No signup
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Calculator inputs

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How to use this calculator

  1. Enter the known values in the units shown. Results update as you type.
  2. Where results are editable, change one to solve backwards. Lock a value to hold it fixed.
  3. Use the worked example to check the method. Reset restores the starting fields.

Private by default

Inputs and results stay in this browser tab. Bookify does not upload or store the values you enter.

Formula and method

The worked inputs demonstrate the selected model; change a known value or leave an editable unknown empty for a supported inverse.

Nether x,z = Overworld x,z /8; frame=2W+2H−8+corners

Worked example

Enter these known values and leave the other values blank.

x
80
y
64
z
-160
x
10
y
64
z
-20

Assumptions and limitations

  • The coordinate model scales horizontal axes by eight and leaves height unchanged; it does not simulate portal search, safe placement or linking.
  • Frame dimensions include the outer obsidian border, with or without four corner blocks. The captured permitted outer dimensions are 4–23 by 5–23.

Common questions

What does this model assume?

The coordinate model scales horizontal axes by eight and leaves height unchanged; it does not simulate portal search, safe placement or linking. Frame dimensions include the outer obsidian border, with or without four corner blocks. The captured permitted outer dimensions are 4–23 by 5–23.

How do units and inverse calculations work?

Choose compatible units for each quantity. The model converts quantities internally; supported editable fields can be solved from sufficient independent known values. Display rounding does not change the underlying value.

References

Explicit model domains enforce physical bounds and strict whole-count membership where required. Explanatory image content is replaced by original dimension descriptions without changing its visibility.

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