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You can reopen and change your selection at any time. · 1.0.2
MinecraftThe Minecraft Circle Generator lets you plan circles, ovals, and spheres from 1 to 128 blocks as block grids, see block counts instantly, and copy ready-to-use /fill commands or download your plan as a PNG. Free, with no sign-up or download required—everything runs right in your browser.
Built by Rugile Rutkauskaite
Planned your circle? Build it with your friends on your own Minecraft server.
Layer-by-layer preview instead of a flat 2D shape.
Total blocks
40
Width
15
Radius
7.5
Circumference
47.1
How it works
Six steps from choosing a shape to finishing your build, with no download or Mod needed.
Step 1
Under "Shape", choose "Circle" or "Oval", or turn on "Sphere (3D)" to make a sphere.
Step 2
"Outline Only" for walls, towers, and rings; "Filled" for floors and platforms.
Step 3
Set the width or diameter with the slider or number field. For an oval, set the height too. Values from 1 to 128 blocks are allowed.
Step 4
The grid shows your shape block by block, with total blocks, radius, and circumference alongside it. For a sphere, use the arrows or slider to move through the layers.
Step 5
Enter the block for the /fill commands and copy the commands from the "/fill" tab, or copy the text grid from the "Pattern" tab. Alternatively, download the view as a PNG.
Step 6
Stand at the planned center and paste the /fill commands into chat one at a time (cheats or operator permissions required). Or place the blocks by hand using the grid.
Circle size table
How many blocks does a circle with a diameter of 9, 15, 50, or 100 blocks need? The circle generator calculates these values using the same method as the tool above. For any other size from 1 to 128 blocks, just set the width.
| Diameter | Circle, outline only | Circle, filled | Sphere, outline only | Sphere, filled |
|---|---|---|---|---|
| 9 Ă— 9 | 24 | 69 | 160 | 389 |
| 15 Ă— 15 | 40 | 177 | 464 | 1,791 |
| 25 Ă— 25 | 68 | 489 | 1,340 | 8,217 |
| 31 Ă— 31 | 84 | 749 | 2,060 | 15,515 |
| 50 Ă— 50 | 140 | 1,976 | 5,480 | 65,752 |
| 51 Ă— 51 | 144 | 2,053 | 5,704 | 69,599 |
| 100 Ă— 100 | 280 | 7,860 | 22,032 | 523,984 |
| 128 Ă— 128 | 360 | 12,892 | 36,184 | 1,099,136 |
All counts are in blocks. For a sphere, the total includes every layer; in "Outline Only" mode, only the outer ring of each layer counts.
Build a circle
The circle generator gives you the blueprint. You decide whether to build it block by block in Survival or place it with commands.
Sphere (3D)
Turn on "Sphere (3D)" and set the diameter. The generator stacks circular layers with radii based on the sphere equation.
Use the arrows or slider to move through the layers. The preview starts at the middle, widest layer and shows the block count for that layer below the grid.
There is no separate dome mode. To build a dome, use only the layers from the middle layer upward. In the pattern and /fill list, layers appear from bottom to top.
In "Outline Only" mode, each layer shows only its outer ring. Near the top and bottom, where the radius shrinks sharply between layers, this leaves gaps. Check the top layers in the preview and fill any gaps by hand if needed.
The /fill commands create the sphere around your position: the middle layer is at your height, with the lower half beneath it.
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FAQ
Quick answers about circles, spheres, domes, block counts, and /fill commands.
Under "Shape", choose "Circle" (or "Oval" for separate width and height), then "Outline Only" or "Filled", and set the width with the slider or number field. The grid immediately shows you which blocks to place. Then build the circle by hand using the preview, download the grid as a PNG guide, or copy the ready-to-use /fill commands.
Minecraft uses square blocks on a fixed grid, so you can't build a perfectly round line. The circle generator includes a block in the circle if its center lies within the circle's radius. This creates a smooth, symmetrical approximation of a circle.
With an odd width, such as 15 (the default), the center sits on one block. This makes it easier to align your build, such as a tower with a central pillar. With an even width, such as 16, the center lies between four blocks, giving the circle a 2 Ă— 2 center. Try both values: the preview shows the difference immediately.
"Filled" places every block inside the shape, ideal for floors, platforms, or ponds. "Outline Only" keeps just the outer blocks bordering empty space. It's ideal for walls, towers, and rings, and saves building materials.
Turn on "Sphere (3D)" and set the diameter. The generator stacks circular layers based on the sphere equation; use the arrows or slider to move through them. The block count for the current layer appears below the grid. There is no separate dome mode: to build a dome, use only the layers from the middle, widest layer upward. You can't select ovals in sphere mode.
Width, height, and diameter can range from 1 to 128 blocks. A 100 Ă— 100-block circle works; a 200 Ă— 200-block circle doesn't. If you enter a value outside that range, the tool automatically sets it to the nearest limit and shows you a notice.
The "Total Blocks" box shows you the count live, alongside width or diameter, radius, and circumference. For a sphere, "Total Blocks" is the sum of all layers; the count for the current layer appears below the preview. You can also find common sizes in the circle size table on this page.
Enter your block (default: minecraft:stone), open the "/fill" tab, and click "Copy". Each continuous row of blocks becomes a separate command with relative coordinates (~), so the shape forms around your position. Stand at the planned center and paste the commands into chat one at a time. In Java Edition, press T to open chat. You'll need cheats or operator permissions (OP) in your world or on your server.
Any more questions?
Contact SupportCheats/operator permissions for /fill commands, DDoS protection, and one-click Modpack installation—your server keeps running while you build.
No setup. No risk. Online in seconds.
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