Verified for game version 1.6.x

Players argue “kegs or jars?” as if it’s a religion. It’s arithmetic. Kegs win per item; jars win on throughput. Which matters depends on whether your harvest outruns your machine count — and for most farms, it does. Here’s the exact comparison our Crop Profit Calculator uses.

The processing formulas (verified 1.6.x)

The Artisan profession adds +40% to all of these (W, Jelly, Juice, Pickles, Cheese, etc.) — it’s the single biggest multiplier to processing income, so take it.

Per-crop processing table

For vegetables, Juice (2.25×) beats Pickles (2×+50) on costly veg like Pumpkin but loses on cheap ones (e.g., Wheat-like low-value cases).

Per-item: kegs win on fruit

Take Starfruit (base 750g):

• Wine = 3 × 750 = 2,250g (7 days)
• Jelly = 2 × 750 + 50 = 1,550g (2–3 days)

Keg wins by 700g per fruit. For a Pumpkin (base 320g): Wine 960g vs Jelly 690g — keg wins by 270g. On a per-item basis, kegs are strictly better for fruit, and for vegetables Juice (2.25×) narrowly beats Pickles (2×+50) on high-value veg but loses on cheap ones.

Throughput: jars win at scale

Here’s the trap. A keg takes 7 days and one fruit. A jar takes 2–3 days and one fruit. When 200 Strawberries ripen every 4 days, you don’t have 200 kegs — you have maybe 20. Those 20 kegs process 20 strawberries in 7 days while 180 sit in a chest. Jars, at 2–3 days each, clear far more of your harvest per week.

A concrete example: 100 Strawberries, 10 kegs, 10 jars, 7-day horizon.

• Kegs process 10 fruit → 3,600g (wine) but leave 90 unprocessed.
• Swap to jars: 20 jars process 20 fruit → 5,800g (jelly) in 7 days, leaving 80. More machines = more throughput; jars let you actually clear the harvest.

The rule we use: kegs for your top 5% value crops (Starfruit, Ancient Fruit, Pineapple, Pumpkin, Hops→Pale Ale), jars for everything else. The per-item margin you “lose” on a 80g Blueberry (Jelly 210g vs Wine 240g) is nothing next to the fact that jars actually processed it this week instead of letting it rot.

Build cost: keg vs jar

Kegs cost more wood and a copper bar; jars cost more coal. Both need Iron Bars, which means the mines. Plan your bar supply before a big build.

Cask aging (the late-game multiplier)

A Cask in the cellar ages Wine/Juice/Beer/Pale Ale further: Silver ×1.25, Gold ×1.5, Iridium ×2 — based on the already-processed price. Aging takes weeks and only pays for your highest-value wines (Starfruit, Ancient Fruit). Don’t cask your Blueberry wine; sell it and cask the ancient stuff.

Applicable conditions and exceptions

• All values assume Artisan profession (+40%). Without it, processing margins shrink but the keg-per-item / jar-throughput ranking is unchanged.
• Hops → Pale Ale (300g) is a keg product that’s also a 1-day grow + 1-day keg turn — a special case where kegs win on both speed and margin for that one crop.
• Honey isn’t a keg/jar product — it’s a Jar-from-beehouse output (100g wild up to 680g Fairy Rose). Don’t confuse it with preserves.
• Mead comes from Honey in a keg, not from crops — separate pipeline.
• Values are 1.6.x; the 1.7 patch may adjust, and our calculator’s data file is version-marked and re-checked before updates.

Machine build priority

If you are short on materials, build in this order: get a few kegs first (for your top crops), then a batch of jars to clear the bulk, then more kegs as ore allows. The bottleneck is almost always Iron Bars — both machines need them, and so do tool upgrades. A balanced target for a serious operation is roughly one keg per 2-3 tillable tiles of your best crop, plus jars for the rest. Don’t forget the Preserves Jar specifically for Sturgeon roe (Caviar); that one jar is worth more than most kegs. Match the count to your harvest rhythm rather than building one giant type.

When jars lose outright

Jars are not always the throughput winner. For Hops, the keg makes Pale Ale in just one day, so kegs beat jars on both speed and margin for that crop. And for the very highest-value wines you intend to cask, you would rather keg first (wine) and then cask, skipping the jar entirely. Jars shine specifically when you have a large, low-to-mid value harvest and not enough kegs — the classic 200-berry problem. Match the machine to the crop, not the other way around.

Quick decision summary

• Per item, kegs win (Wine 3x, Juice 2.25x) over jars (Jelly 2x+50, Pickles 2x+50).
• At scale, jars win on throughput (2-3 days vs 7).
• Kegs for top-value crops (Starfruit, Ancient Fruit, Pumpkin, Hops, Pineapple).
• Jars for the bulky mid-tier harvest and for Sturgeon roe (Caviar).
• Take Artisan (+40%) always; it multiplies every processed good.
• Build Iron Bars first — both machines and tool upgrades compete for them.

Next

Plug your own harvest into the Crop Profit Calculator to see exactly which machine your layout should favor, and read crop profit strategy for the wider picture.

Sources & verification

• Primary: Stardew Valley Wiki — Artisan Goods, Keg, Preserves Jar.
• Independent 2nd source: stardewpricedb.com/artisan-goods/ for wine/jelly/pickle values (cross-checked; e.g. Wine = 3× base sell, Jelly/Pickles = 2× + 50, Juice = 2.25×).
• The +40% Artisan profession and processing times are from the wiki. Figures are for update 1.6.x; confirm version-sensitive values in-game.