Last updated: October 12, 2026
Smooth stone is made in a furnace: put a block of Stone in the top slot, any fuel in the bottom slot, and wait 10 seconds per block. If all you have is cobblestone, you smelt it once to get stone, then smelt that stone a second time to get smooth stone. A blast furnace will not do this job — it is built for ores and metal gear — and there is no crafting-table shortcut, so the only variables you control are how you source the stone and what you burn to smelt it.
The exact recipe, in one line
Smooth stone is the furnace output of smelting a Stone block — one Stone plus any fuel equals one Smooth Stone, at 10 seconds per block in a regular furnace.
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View on AmazonThat single-step recipe has been standard since the Village & Pillage update (Java Edition 1.14), which is also when the modern block got its distinctly smoother, grid-free texture. If you played before that version, the naming was different: the plain gray block you used to smelt out of cobblestone is now simply called Stone. Old worlds may still hold blocks that look identical to stone but carry the legacy name — they are not the same block as today’s Smooth Stone, and they do not stack with it.
Two related recipes are worth knowing because they are the ones people mix up:
- Cobblestone → Stone — one furnace pass, 10 seconds, same fuel cost as any other smelt.
- Stone → Smooth Stone — the second furnace pass, another 10 seconds.
- Cobblestone → Smooth Stone in one go — does not exist. There is no recipe, no stonecutter option, and no villager trade that skips the intermediate block.
Step by step, from pickaxe to smooth stone
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- 1. Pick your pickaxe. Any tier mines stone, including wood. But only a pickaxe with the Silk Touch enchantment drops the Stone block itself — every other pickaxe drops Cobblestone. This one choice decides whether you smelt once or twice.
- 2. Mine the stone. With Silk Touch, mine stone blocks directly and you are one smelt away from the finished product. Without it, mine cobblestone and accept the extra pass. A netherite or diamond pickaxe breaks a stone block in roughly a quarter of a second, so a full stack of 64 takes about 20 seconds of continuous mining.
- 3. Craft a furnace. Eight cobblestone in a ring around an empty centre. You almost certainly have this before you have smooth stone — which is why the first smooth stone most players make is the three blocks needed for a blast furnace.
- 4. Load it correctly. Fuel goes in the bottom slot, stone (or cobblestone) in the top slot. The flame icon lights when the furnace is actually burning. Remember that a furnace keeps burning its loaded fuel even if the input slot runs dry, so top it up before it finishes the stack rather than after.
- 5. Wait 10 seconds per block, then repeat if needed. One coal smelts eight blocks, so a single coal covers eight smooth stone if you started with stone — or four smooth stone if you had to smelt cobblestone twice.
- 6. Scale up with a second furnace rather than more fuel. Furnace time is the bottleneck, not coal. Two furnaces halve the wait; eight furnaces cut a stack down to about 80 seconds.
Fuel: what each option actually buys you
Every fuel has a fixed burn time, and one item smelted consumes 10 seconds of it. The table below lists the standard fuel values used by the game; anything that falls short of a whole item is a trap for bulk work.
| Fuel | Burn time | Items smelted | Smooth stone per unit |
|---|---|---|---|
| Bamboo | 2.5 s | 0.25 | 0.25 |
| Stick | 5 s | 0.5 | 0.5 |
| Wooden plank or log | 15 s | 1.5 | 1.5 |
| Coal or charcoal | 80 s | 8 | 8 |
| Blaze rod | 120 s | 12 | 12 |
| Dried kelp block | 200 s | 20 | 20 |
| Block of coal | 800 s | 80 | 80 |
| Lava bucket | 1,000 s | 100 | 100 |
The practical read: sticks and bamboo are for lighting a single smelt in an emergency, not for a building project. Coal and charcoal are the workhorse — one stack of coal smelts 512 blocks, which is exactly one 16×16 floor. Blocks of coal are the best storage-to-burn ratio if you are hauling fuel to a build site, and lava buckets are the most efficient per unit but leave you an empty bucket to carry home each time. Note the values assume you are smelting Stone; if you are smelting Cobblestone first, halve every number in the last column.
How long a real project takes
Take a 16×16 smooth stone floor: 512 blocks, eight stacks. Here is the arithmetic, using the standard 10-second smelt time.
- Furnace time, one pass: 512 × 10 seconds = 5,120 seconds, or about 85 minutes of continuous burning.
- Furnace time, two passes from cobblestone: 170 minutes — the same again.
- Fuel, one pass: 512 ÷ 8 = 64 coal, exactly one stack, or seven blocks of coal (80 items each), or six lava buckets.
- Fuel, two passes: 128 coal, or thirteen blocks of coal.
- Parallel furnaces: 8 furnaces finish the job in about 11 minutes; 16 furnaces in about 5.5 minutes. The formula is minutes = blocks × 10 ÷ (60 × number of furnaces).
Feeding those furnaces is easier than it sounds. A hopper moves one item every 8 game ticks, which works out to 2.5 items per second, while a single furnace consumes only 0.1 items per second — so one hopper line can keep roughly 25 furnaces supplied. In practice, 8 to 16 furnaces with a hopper above and a hopper or chest below is the sweet spot before the build gets tedious.
Which route fits your situation
| Your situation | Best method | Fuel per 64 blocks | Total time per 64 |
|---|---|---|---|
| Need 3 blocks for a blast furnace, early game | Mine cobblestone, smelt twice | 16 coal-equivalent smelts → 2 coal | ~2 minutes |
| You have a Silk Touch pickaxe | Mine stone directly, smelt once | 8 coal | ~10 minutes in one furnace |
| Large build, 500+ blocks | Silk Touch plus a 8–16 furnace array | 8 coal per 64, buy in blocks of coal | ~1 minute per 64 with 16 furnaces |
| Cobblestone farm already running | Automate two passes with hoppers | 16 coal per 64 (double) | ~20 minutes per 64 per furnace |
| Only saplings or bamboo on hand | Not viable at scale — gather coal first | 128 bamboo or 128 sticks per 64 | Impractical |
Common mistakes that cost fuel and time
- Expecting one smelt to be enough. Smelting cobblestone gives you Stone, not Smooth Stone. This is the single most common error.
- Trying a blast furnace. Blast furnaces are tuned for ores, raw materials and metal tools and armour. Cobblestone and stone are not on their recipe list — load a stack and nothing happens. A smoker is food-only.
- Mining without Silk Touch and wondering where the Stone went. Without that enchantment, stone blocks drop cobblestone, and you have silently doubled your fuel bill.
- Using sticks, saplings or bamboo for a big job. At 0.5 items per stick, a stack of 64 sticks smelts 32 blocks. Coal does 512 from the same inventory space.
- Leaving the furnace unattended with the output full. A backed-up output slot stops smelting, and the loaded fuel keeps burning. Put a hopper underneath or check back regularly.
- Loading fuel into an empty furnace. The burn timer starts immediately and runs whether or not anything is in the input slot.
- Confusing Smooth Stone with Smooth Stone Slab or Stone Bricks. They are three different blocks with three different recipes.
- Hunting for a “smooth stone generator.” The classic lava-and-water generator produces cobblestone, so it only ever feeds the first of the two smelts.
What smooth stone is actually for
The gameplay reason to make it early is the blast furnace, which requires 5 iron ingots, 1 furnace and 3 smooth stone in a 3×3 grid — iron ingots across the top row and either side of the centre, the furnace in the middle, smooth stone along the bottom. Beyond that it is a building block: three smooth stone craft six Smooth Stone Slabs, and its uniform texture makes it a favourite for clean modern walls and floors where cobblestone’s mottled look and stone’s grid lines are unwanted. As of the current Java and Bedrock versions there is a Smooth Stone Slab but no Smooth Stone Stairs, so staircases usually get built from regular Stone Stairs instead.
One expectation worth dropping: smooth stone is not tougher in any way that matters. It shares the same blast resistance of 6 as cobblestone and stone bricks, so a creeper does not care which one you built with. And the recipe only runs one way — smooth stone cannot be turned back into stone or cobblestone.
Frequently Asked Questions
Can you make smooth stone in a blast furnace?
No. Blast furnaces only accept ores, raw materials, metal tools and armour, and a few metal blocks. Cobblestone and stone are not valid inputs, so the furnace runs without consuming anything. If you want to confirm it in-game, hold cobblestone and open the blast furnace’s recipe book — no stone recipe appears.
Can smooth stone be crafted instead of smelted?
No. There is no crafting-table recipe for smooth stone in vanilla Minecraft, and the stonecutter does not produce it either. The only survival route is a furnace, either one pass from stone or two passes from cobblestone. This is why a Silk Touch pickaxe is effectively a 50 percent fuel discount on any smooth stone project.
Does Fortune increase how much stone you get?
No. Stone, cobblestone and smooth stone are unaffected by Fortune — the drop is always exactly one block. The only enchantment that changes the outcome is Silk Touch, which makes stone drop as Stone rather than Cobblestone and saves you an entire smelting pass.
How much fuel do I need for a full stack of smooth stone?
From stone, a stack of 64 blocks needs 640 seconds of burn time: eight coal or charcoal, one block of coal, one dried kelp block plus change, or a tenth of a lava bucket. From cobblestone, double everything, because you are running two smelts per finished block.
Is smooth stone the same as stone bricks?
No. Stone Bricks are a separate decorative block crafted from four stone in a 2×2 pattern, with a brick-like texture and its own slab, stair and wall variants. Smooth Stone is the plain, flat-textured block from the furnace, and the two do not convert into one another.
Why does my stone block look different from my smooth stone?
Because they are different blocks. Stone has faint grid lines and a slightly rougher palette; Smooth Stone is uniform and flat. If you are looking at a block from an old world that is named Smooth Stone but looks exactly like plain stone, you have a legacy block from before the Village & Pillage update, and it will not stack with the modern version.
