About Circle In Blocks

Circle In Blocks is run by a single independent builder as eight Minecraft building calculators, starting with a circle generator and growing into ellipses, rings, spheres, domes, Nether portal coordinates, inventory math, and travel distance. Every generator shows the actual block grid you'd place from, a row or layer width table, and the total block count -- not just a rendered picture with no numbers behind it.

How the generators work

The circle, ellipse and ring generators all run on one shared digital-disk formula: a block is included when its center falls inside the true mathematical ellipse for the diameter you asked for, the same method any filled-shape rasterizer uses. The sphere and dome generators extend that same test into three dimensions and slice the result into build-order layers. None of it is hand-drawn or looked up from a table of pre-made shapes -- every grid on this site is computed live from the diameter you type in, and checked against a hand-derived expected value in the site's own test suite before it ships.

Where the game rules come from

The Nether portal calculator's 8:1 coordinate ratio and the coordinate distance calculator's 16-block chunk size are current, documented Minecraft mechanics, not this site's invention -- the how-it-works section on each of those pages states the rule it's applying. The block-stack calculator's stack sizes (64 for most blocks, 16 for a handful of items, 1 for unstackable items) and container sizes (27 slots for a shulker box or single chest, 54 for a double chest) are also current vanilla values.

What it doesn't do

Circle In Blocks is a set of fan-made tools and isn't affiliated with, endorsed by, or operated on behalf of Mojang Studios or Microsoft; Minecraft is a trademark of Mojang Studios. Every grid is a geometric calculation from the numbers you enter, not a screenshot from the game, and results may not match a specific mod, resource pack, or version's exact mechanics. See Terms.

Every tool

• Minecraft Circle Generator -- Generate a filled or outline Minecraft circle from 1 to 256 blocks across, with the full build grid, a row-by-row width table, the total block count, and grid coordinate numbers to build from.
• Minecraft Ellipse Generator -- Generate a Minecraft ellipse (oval) from independent width and height diameters, filled or outline, with the block grid, row widths, and total block count.
• Minecraft Sphere Generator -- Generate a Minecraft sphere from 1 to 256 blocks in diameter, filled or hollow, sliced into build-order layers with a layer picker, each layer's block grid, and the total block count.
• Minecraft Dome Generator -- Generate a Minecraft dome (half sphere) from 1 to 256 blocks in diameter, filled or hollow, sliced into build-order layers with a layer picker and the total block count -- for roofs, roundhouses and observatories.
• Minecraft Ring Generator -- Generate a hollow Minecraft ring from an outer and inner diameter -- a moat, a circular wall footprint or a donut arena -- with the full block grid and total block count.
• Nether Portal Coordinate Calculator -- Convert Overworld coordinates to Nether coordinates (divide by 8) and back (multiply by 8), with the portal linking rule explained so a new portal connects to the one you already built.
• Minecraft Block Stack Calculator -- Convert a block or item count into stacks of 64 or 16, plus how many shulker boxes, single chests or double chests it takes to carry or store them.
• Minecraft Pixel Art Generator -- Convert any photo into a Minecraft block grid: a 16-color wool or concrete palette, a full materials count in stacks, all client-side in your browser.
• Minecraft Coordinate Distance Calculator -- Calculate the straight-line and walking distance between two XYZ coordinates, plus which chunk each point falls in and how many chunks apart they are.

Corrections

If a grid, formula, or game rule here looks wrong, email hello@circleinblocks.com.