Cauldron calculator

Cauldron recipe finder

The Cauldron turns any three items into one product picked by their combined value. Find the cheapest combination for the item you want, check what your ingredients make, or browse every item's cauldron value.

Data from v1.1.5023 · updated 16 Oct 2026

Make an item

Pick what you want out of the Cauldron. We list every set of three different ingredients whose combined cauldron value lands on it, cheapest first.

Product

Ingredients up to

Allow repeated ingredients unverified

Cauldron product

Philosopher's Stone

Target value: 1,000,000
Makes it: 800,000 or more
Craft time: 60 s
Heat: 10,000 / batch · 166.7/s

The game lists one fixed recipe: Ruby + Sapphire + Emerald.

39,914 combinations · showing 12

1
Total
800,001
near edge
Worth
9 gold 50 silver
Tier
VI tier
2
Total
800,001
near edge
Worth*
9 gold 50 silver
Tier
VI tier
3
Total
850,001
Worth
9 gold 50 silver
Tier
VIII tier
4
Total
850,001
Worth*
9 gold 50 silver
Tier
VIII tier
5
Total
800,003
near edge
Worth
9 gold 50 silver
Tier
VI tier
6
Total
800,003
near edge
Worth
9 gold 50 silver
Tier
VI tier
7
Total
800,002
near edge
Worth
9 gold 50 silver
Tier
VI tier
8
Total
800,002
near edge
Worth
9 gold 50 silver
Tier
VI tier
9
Total
800,001
near edge
Worth
9 gold 50 silver
Tier
VI tier
10
Total
850,003
Worth
9 gold 50 silver
Tier
VIII tier
11
Total
850,003
Worth
9 gold 50 silver
Tier
VIII tier
12
Total
850,002
Worth
9 gold 50 silver
Tier
VIII tier

* Includes a bulk item (Logs, ores, relics): its worth is counted per portion, the same scale as its cauldron value.

What do my ingredients make?

Choose the three items you would put in. We add up their cauldron values and show the product whose target is nearest, plus how far you are from the next one.

Ingredient 1

Ingredient 2

Ingredient 3

Makes

Ruby

Combined value: 175,187
Product target: 200,000
Craft time: 30.9 s
Heat: 3,131 / batch

↓ Below 165,536 you get Perfect Diamond (target 131,072).
↑ Above 300,000 you get Sapphire (target 400,000).

Cauldron value table

156 items

Every item's value as an ingredient and, for the 47 items the Cauldron can produce, the target and value window that makes them, with craft time and heat from the cauldron curve. Liquids cannot go into the Cauldron.

Find an item

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Cauldron values: value as an ingredient, product target, value window that makes it, craft time and heat per batch
			Makes it at	Time	Heat
Small Wooden Gear	0.33	—	—	—	—	II tier
Copper Coin	0.68	—	—	—	—	VI tier
Logs	0.8	—	—	—	—	I tier
PlankCauldron product	1	0.1	up to 1.05	3 s	1	I tier
Large Wooden Gear	1.5	—	—	—	—	I tier
CharcoalCauldron product	2	2	1.05 – 3	3 s	1.19	IV tier
Flax	2	—	—	—	—	II tier
Charcoal Powder	2.5	—	—	—	—	IV tier
Flax Fiber	2.5	—	—	—	—	II tier
Limestone	3	—	—	—	—	II tier
Sage	3	—	—	—	—	III tier
Sage Powder	3.5	—	—	—	—	III tier
Plant Ash	4	—	—	—	—	IV tier
StoneCauldron product	4	4	3 – 5	3.1 s	1.58	II tier
Sand	4.5	—	—	—	—	II tier
Iron Nails	5	—	—	—	—	III tier
QuicklimeCauldron product	6	6	5 – 10.5	3.2 s	1.96	IV tier
Rotten Log	6.5	—	—	—	—	V tier
Quicklime Powder	7	—	—	—	—	IV tier
Linen Thread	9	—	—	—	—	II tier
Basic Fertilizer	10	—	—	—	—	IV tier
Iron Ore	11	—	—	—	—	III tier
Redcurrant	12	—	—	—	—	IV tier
Linen Rope	13	—	—	—	—	II tier
Wooden Pulley	14	—	—	—	—	IV tier
Iron Ingot	15	—	—	—	—	III tier
Iron SandCauldron product	15.5	15	10.5 – 17.5	3.4 s	3.69	III tier
Mortar	18	—	—	—	—	II tier
ClayCauldron product	21	20	17.5 – 25	3.6 s	4.65	IV tier
Clay Powder	22	—	—	—	—	IV tier
Soap	23	—	—	—	—	IV tier
Soap Powder	24	—	—	—	—	IV tier
Brick	25	—	—	—	—	IV tier
Gloom Fungus	26	—	—	—	—	V tier
Glass	27	—	—	—	—	IV tier
CokeCauldron product	29	30	25 – 35	3.9 s	6.57	V tier
Healing Potion	30	—	—	—	—	III tier
Coke Powder	31	—	—	—	—	V tier
Jupiter	34	—	—	—	—	V tier
Rock Salt	35	—	—	—	—	VI tier
Coal Ore	37	—	—	—	—	V tier
CoalCauldron product	40	40	35 – 52.5	4.2 s	8.48	V tier
Pyrite Ore	45	—	—	—	—	VI tier
Bronze Rivet	51	—	—	—	—	VI tier
Chamomile	55	—	—	—	—	VI tier
Chamomile Powder	57	—	—	—	—	VI tier
Advanced Fertilizer	58	—	—	—	—	V tier
Linen	60	—	—	—	—	III tier
SaltCauldron product	65	65	52.5 – 76.5	4.9 s	13.3	VI tier
Wagon	75	—	—	—	—	IV tier
Yeast PowderCauldron product	88	88	76.5 – 98	5.6 s	17.7	V tier
Gelatinous Gridlock	100	—	—	—	—	I tier
Whispering Fields	100	—	—	—	—	IV tier
TurquoiseCauldron product	108	108	98 – 144	6.1 s	21.6	V tier
Flax Seeds	115	—	—	—	—	II tier
Bandage	120	—	—	—	—	III tier
Vitality Potion	125	—	—	—	—	IV tier
Copper Bearing	136.5	—	—	—	—	VI tier
Impure Copper PowderCauldron product	150	180	144 – 213	6.5 s	36	VI tier
Bronze Ingot	155	—	—	—	—	VI tier
Steel Ingot	161	—	—	—	—	V tier
SulfurCauldron product	166	246	213 – 263	7 s	49.2	VI tier
Steel Gear	170	—	—	—	—	V tier
Sage Seeds	175	—	—	—	—	III tier
Lavender	180	—	—	—	—	VII tier
Sulfur Powder	200	—	—	—	—	VI tier
Gloom SporesCauldron product	220	280	263 – 290	7.2 s	56	V tier
Quartz Ore	230	—	—	—	—	VII tier
Transformation Potion	240	—	—	—	—	V tier
Crude ShardCauldron product	272	512	469.5 – 556	8.7 s	102.4	VI tier
Copper PowderCauldron product	290	350	325 – 388.5	7.7 s	70	VI tier
Copper Ingot	293	—	—	—	—	VI tier
Black PowderCauldron product	300	300	290 – 325	7.3 s	60	VI tier
MalachiteCauldron product	367	427	388.5 – 469.5	8.2 s	85.4	VI tier
Gentian	400	—	—	—	—	VIII tier
Gentian Nectar	420	—	—	—	—	VIII tier
Strange Tide	429	—	—	—	—	VI tier
Gentian Powder	430	—	—	—	—	VIII tier
Growth Potion	500	—	—	—	—	VI tier
Oblivion EssenceCauldron product	600	600	556 – 670	9.3 s	120	VII tier
Redcurrant Seeds	650	—	—	—	—	IV tier
Saturn	714	—	—	—	—	VI tier
Unstable CatalystCauldron product	740	740	670 – 820	10.3 s	148	VI tier
Portal Sigil	750	—	—	—	—	IV tier
Pocket Watch	789	—	—	—	—	VI tier
Meteorite	800	—	—	—	—	IX tier
Broken ShardCauldron product	824	1,024	962 – 1,220	12 s	203.5	VI tier
Vitality EssenceCauldron product	900	900	820 – 962	11.3 s	180	VII tier
Silver Coin	903.2	—	—	—	—	VIII tier
Blast Potion	1,197	—	—	—	—	VII tier
TopazCauldron product	1,206	1,706	1,561 – 1,877	12.9 s	302	VII tier
Crude Silver PowderCauldron product	1,216	1,416	1,220 – 1,561	12.6 s	260.1	VIII tier
Perfumed Soap	1,216	—	—	—	—	VII tier
Perfumed Soap Powder	1,216	—	—	—	—	VII tier
Automatic Cashier	1,400	—	—	—	—	IV tier
Dull ShardCauldron product	1,548	2,048	1,877 – 2,640	13.4 s	351.4	VI tier
Mars	1,678	—	—	—	—	VI tier
Clockwork Bird	2,022	—	—	—	—	VI tier
Lavender Dream	2,027	—	—	—	—	VII tier
Chamomile Seeds	2,300	—	—	—	—	VI tier
Impure Silver PowderCauldron product	2,432	3,232	2,640 – 3,397	15 s	522.4	VIII tier
World Tree Leaf	2,500	—	—	—	—	VIII tier
Venus	2,550	—	—	—	—	VII tier
Fairy DustCauldron product	3,060	3,760	3,661 – 3,928	15.7 s	598.7	IX tier
Shattered CrystalCauldron product	3,496	4,096	3,928 – 4,304	16.1 s	647.2	VI tier
Fertile CatalystCauldron product	4,062	3,562	3,397 – 3,661	15.4 s	570	VII tier
Silver PowderCauldron product	4,512	4,512	4,304 – 5,458	16.7 s	707.3	VIII tier
Silver Ingot	4,516	—	—	—	—	VIII tier
Grand Portal Sigil	5,000	—	—	—	—	V tier
Marble	5,404	—	—	—	—	VIII tier
ObsidianCauldron product	5,404	6,404	5,458 – 7,298	19.2 s	980.6	VIII tier
Volcanic Ash	5,404	—	—	—	—	VIII tier
Lavender Seeds	6,000	—	—	—	—	VII tier
Crude CrystalCauldron product	6,692	8,192	7,298 – 10,559	21.6 s	1,239	VI tier
World Tree Vintage	9,642	—	—	—	—	VIII tier
Crude Gold DustCauldron product	10,925	12,925	10,559 – 14,655	24.1 s	1,525	IX tier
Polished CrystalCauldron product	14,384	16,384	14,655 – 19,617	24.2 s	1,555	VI tier
Panacea Potion	15,288	—	—	—	—	VIII tier
Lapis LazuliCauldron product	15,624	40,624	36,696 – 46,730	25.1 s	1,763	VIII tier
Impure Gold DustCauldron product	21,850	22,850	19,617 – 25,414	24.5 s	1,610	IX tier
Resonant CatalystCauldron product	23,977	27,977	25,414 – 30,373	24.7 s	1,654	VIII tier
Silver Amulet	24,656	—	—	—	—	VIII tier
Mercury	26,783	—	—	—	—	VIII tier
Gentian Seeds	29,000	—	—	—	—	VIII tier
AdamantCauldron product	30,768	32,768	30,373 – 36,696	24.8 s	1,695	VI tier
Star DustCauldron product	41,490	81,490	73,513 – 91,082	26.6 s	2,114	IX tier
Gold DustCauldron product	42,837	52,837	46,730 – 59,186	25.6 s	1,868	IX tier
DiamondCauldron product	65,536	65,536	59,186 – 73,513	26 s	1,977	VI tier
Pure Gold DustCauldron product	85,674	100,674	91,082 – 115,873	27.3 s	2,279	IX tier
Gold Ingot	88,182	—	—	—	—	IX tier
Gold Coin	90,682	—	—	—	—	IX tier
Alchemist's Sigh	106,015	—	—	—	—	IX tier
Perfect DiamondCauldron product	131,072	131,072	115,873 – 165,536	28.4 s	2,540	VI tier
Luna	187,483	—	—	—	—	IX tier
RubyCauldron product	200,000	200,000	165,536 – 300,000	30.9 s	3,131	VI tier
World Tree Core	250,000	—	—	—	—	VIII tier
SapphireCauldron product	400,000	400,000	300,000 – 500,000	38.2 s	4,848	VI tier
Moonlit Soap	485,823	—	—	—	—	IX tier
EmeraldCauldron product	600,000	600,000	500,000 – 800,000	45.5 s	6,566	VI tier
Crown	857,045	—	—	—	—	IX tier
Philosopher's StoneCauldron product	1,000,000	1,000,000	800,000 or more	60 s	10,000	VI tier
Eternal Catalyst	1,194,662	—	—	—	—	IX tier
World Tree Seed	5,000,000	—	—	—	—	VIII tier
Sol	5,591,401	—	—	—	—	IX tier
Linseed OilLiquid: not an ingredient	—	—	—	—	—	IV tier
LimewaterLiquid: not an ingredient	—	—	—	—	—	IV tier
SteamLiquid: not an ingredient	—	—	—	—	—	VI tier
Fruit WineLiquid: not an ingredient	—	—	—	—	—	IV tier
BrineLiquid: not an ingredient	—	—	—	—	—	VI tier
BrandyLiquid: not an ingredient	—	—	—	—	—	VII tier
Sulfuric AcidLiquid: not an ingredient	—	—	—	—	—	VII tier
Lavender Essential OilLiquid: not an ingredient	—	—	—	—	—	VII tier
QuicksilverLiquid: not an ingredient	—	—	—	—	—	VIII tier
Aqua VitaeLiquid: not an ingredient	—	—	—	—	—	VIII tier
Fairy TearLiquid: not an ingredient	—	—	—	—	—	IX tier
Moon TearLiquid: not an ingredient	—	—	—	—	—	IX tier

How the Cauldron works

Every item in the game has two cauldron numbers: an ingredient value (what it adds when you put it in) and a target (where it sits as a product). 47 items are flagged as cauldron products. The Cauldron sums the three ingredient values and outputs the product whose target is nearest. Each product therefore owns a window of sums, from halfway to the next cheaper product up to halfway to the next dearer one.

This rule is our own reading of the cauldron values, not an official formula. It reproduces all four fixed Cauldron recipes the game ships: Philosopher's Stone, Ruby, Sapphire and Emerald. Combinations near a window edge are the most likely to break if a patch changes item values, so “Closest to target” sorts the safest ones first.

Craft time and heat follow a curve over the product's target (3–60 s, 1–10,000 heat per batch), which matches the craft times of the four fixed recipes. The Cauldron is unlocked by research in Tier VI (tech tree).

Source: craft time and heat curve: Community calculator engine: Cauldron craft time and heat follow a curve over the output item's cauldron target value. The time curve reproduces the craft times of the game's four fixed Cauldron recipes; heat is per batch. citation

Repeated ingredients: Community calculator engine (starfi5h, via alchemyfactorytools): T = (cost1 + cost2 + cost3) × samenessRatio, ratio 1 / 0.65 / 0.5 for three different / two identical / three identical inputs; output = nearest cauldron target. Unverified. citation

Advanced Cauldron

The Advanced Cauldron takes 2 ingredients. Community research says it picks its output from the difference between the input values, but the game works that out while you play and doesn't state the rule, so we do not list Advanced Cauldron recipes or guess at them: its results are computed in-game.

What we do know: it is unlocked by research in Tier VIII (see the tech tree), costs 20 Silver Ingot to build, and uses the same ingredient values shown in the table above. The 1.0 patch notes mention it: “Fixed an issue where Advanced Cauldrons could sometimes fail to find a product.”

Cauldron FAQ

How does the Cauldron decide what it makes?

The Cauldron takes any three items and adds up their cauldron values. The result is the cauldron product whose target value is nearest to that sum. 47 items can come out of a Cauldron; every other item can only go in. This reproduces all four fixed Cauldron recipes in the game.

How do you make a Philosopher's Stone in Alchemy Factory?

Put three items into a Cauldron whose cauldron values add up to at least 800,000 (its target is 1,000,000, and no product sits above it). The game lists Ruby + Sapphire + Emerald; by base value the cheapest set we found is Plank + Ruby + Emerald. Use the finder above to rank the alternatives.

How long does a cauldron craft take, and how much heat does it use?

Both depend on the product's target value: from 3 s and 1 heat per batch at a target of 1 up to 60 s and 10,000 heat at 1,000,000 (linear between the breakpoints 1, 100, 1,000, 10,000 and 1,000,000). A Ruby, for example, takes 30.9 s and 3,131 heat.

Can I use the same ingredient two or three times?

The game doesn't state how repeats are valued. Community calculators scale the sum by 0.65 for two identical items and 0.5 for three. The finder only uses that rule when you tick “Allow repeated ingredients”, and marks it unverified.

Can liquids go into the Cauldron?

No. The Cauldron has three conveyor inputs and no pipe input, so liquids such as Brine or Quicksilver cannot be added. They are listed in the value table but never used as ingredients.