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Minecraft Circle Generator

Plan pixel circles and ovals block by block, with counts and a row-by-row build guide.

Quick answer:Enter a diameter (or width and depth for an oval) and the generator shows exactly which blocks to place, how many you need and each row to build, for any size up to 256 blocks.
Shape

A radius of 10 around one center block gives a 21 block diameter.

Style
Blocks
56
Stacks of 64
0 + 56
Size
21 x 21

Row-by-row build plan

Rows run from the top of the blueprint; columns count from the left edge.

  1. Row 1: 7 blocks (columns 8 to 14)
  2. Row 2: 4 blocks (columns 6 to 7, columns 15 to 16)
  3. Row 3: 2 blocks (column 5, column 17)
  4. Row 4: 2 blocks (column 4, column 18)
  5. Row 5: 2 blocks (column 3, column 19)
  6. Row 6: 2 blocks (column 2, column 20)
  7. Row 7: 2 blocks (column 2, column 20)
  8. Row 8: 2 blocks (column 1, column 21)
  9. Row 9: 2 blocks (column 1, column 21)
  10. Row 10: 2 blocks (column 1, column 21)
  11. Row 11: 2 blocks (column 1, column 21)
  12. Row 12: 2 blocks (column 1, column 21)
  13. Row 13: 2 blocks (column 1, column 21)
  14. Row 14: 2 blocks (column 1, column 21)
  15. Row 15: 2 blocks (column 2, column 20)
  16. Row 16: 2 blocks (column 2, column 20)
  17. Row 17: 2 blocks (column 3, column 19)
  18. Row 18: 2 blocks (column 4, column 18)
  19. Row 19: 2 blocks (column 5, column 17)
  20. Row 20: 4 blocks (columns 6 to 7, columns 15 to 16)
  21. Row 21: 7 blocks (columns 8 to 14)

How the circle is calculated

Blocks are square, so a Minecraft circle is always an approximation. This generator places a block wherever the center of that block falls inside the circle (or oval) that exactly fills your chosen size. The result is symmetric on both axes, keeps the full width you asked for, and gives the same pattern every time.

Frequently Asked Questions

Pick the diameter, then place blocks row by row as shown in the blueprint. The easy way on large circles is to build one quarter, starting from the center lines, and mirror it three times. Mark the center first so you can count out from it.
Use diameter, the full width of the circle in blocks. If you think in radius around a center block, the diameter is twice the radius plus one: a radius of 10 around a center block is a 21 block circle. The radius field does that conversion for you.
Each one rounds the curve differently. Some test the corners of each block, some shrink the radius slightly. This one keeps a block when its center is inside the circle, which gives the exact width you asked for and a smooth, symmetric edge. Neither choice is wrong; pick the look you like and stick with one tool for a whole build.
Yes. An even circle has no single center block; its center is the point where the four middle blocks meet. Even circles pair well with 2x2 pillars or doorways, odd circles with a single center block.
Thin uses the fewest blocks; neighbouring blocks may only touch at a corner, but players and mobs still cannot walk through. Thick adds blocks at those corners so the wall looks solid from any angle. Filled places every block inside the circle for floors.
Yes. Switch the shape to Oval and set width and depth separately, from 1 to 256 blocks each. The same rules apply, so ovals stay symmetric and exactly the size you enter.
Yes. Download it as a PNG or SVG, copy a text version, print it, or copy a share link that reopens the same circle. Nothing is uploaded; everything is calculated in your browser.
It is a planning tool, not a mod, so there is nothing to install and it works for Java and Bedrock, Survival or Creative. You place the blocks yourself by following the plan.

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