Espresso Dial-In Guide & Chart: Grind, Dose, Yield and Time (2026)

Dialing in espresso means finding a repeatable combination of dose, yield, grind and time that works for one coffee in one basket on one machine.

The process becomes much easier when you stop treating every number as a target.

Use the clock and scale to diagnose flow. Use taste to decide whether the recipe is actually good.

Cafe & Crema’s assessment is based on current manufacturer guidance from La Marzocco and Baratza, historical SCA espresso definitions and barista-survey data, current grinder documentation, and our analysis of how those references translate into a repeatable home workflow. Cafe & Crema has not performed first-party espresso extraction testing for this guide.

Espresso dial-in chart

Start here before changing multiple variables.

What you see	First move	What to check next
Fast + thin or sour	Grind finer while keeping dose and target yield fixed	If flow is uneven or spraying, fix puck preparation before going much finer
Slow, stalled, harsh or dry	Grind coarser while keeping dose and target yield fixed	Check for an overfilled basket or puck contact with the shower screen
Uneven jets or spraying	Fix distribution and tamp consistency	A bottomless portafilter can make channeling easier to see
Time looks reasonable but taste is still off	Adjust yield before chasing the grinder again	Shorter yield increases concentration; longer yield changes extraction and strength together
One grinder click is too fast and the next is too slow	You may need finer adjustment resolution	Espresso-focused grinders devote more control to the fine range
Shot changes after a grind adjustment seem inconsistent	Account for retained coffee and purge only when the grinder/manual calls for it	The first dose after an adjustment may contain coffee from the previous setting

The chart is deliberately diagnostic rather than prescriptive.

A 30-second shot can taste poor. A shot outside the usual reference range can taste excellent.

A practical starting reference: 18 g in, 36 g out

For a medium-roast starting point, current La Marzocco guidance uses:

• 18 g coffee in;
• 36 g espresso out;
• a 1:2 ratio;
• roughly 25–35 seconds.

La Marzocco also uses 18 g → 36 g in current Coffee Station dial-in guidance and tells users to adjust grind until the shot reaches the preferred time range.

Cafe & Crema uses 25–32 seconds as a compact first diagnostic band for the chart above because it sits inside the current La Marzocco 25–35 second recommendation and close to the historical SCA barista-survey average of 25–30 seconds.

That makes it a starting reference, not a universal espresso standard.

If your coffee tastes better at 23 seconds or 35 seconds, the clock does not overrule the cup.

Why 18 g and 36 g are useful reference numbers

The historical SCAA definition of espresso used much smaller dose language:

• 7–9 g for a single;
• 14–18 g for a double;
• 20–30 seconds in that definition.

Later SCA survey work showed specialty-coffee practice had moved.

In that historical barista survey:

• 66% of respondents reported an average dose between 18 and 20 g;
• the average measured espresso output was 36.5 g;
• 51% reported an average extraction time between 25 and 30 seconds;
• most respondents used 18 g baskets.

That is why an 18 g → 36 g recipe is a useful modern reference.

It is not proof that every basket should be filled with 18 g.

Dose starts with the basket

Dose should fit the basket you actually own.

Do not force an 18 g recipe into a basket designed around a smaller or larger working range simply because 18 g is common in modern examples.

A useful editorial range is therefore 7–18 g only as historical espresso-definition context, not as a current universal basket rule.

For your machine:

1. identify the basket type and intended dose from the manufacturer;
2. choose one dose inside that workable range;
3. keep the dose stable while you adjust grind;
4. change dose later only when you have a reason.

Holding dose steady makes the rest of the dial-in process easier to interpret.

Grind controls flow most directly

With dose and target yield fixed, grind is the clearest first control for shot flow.

Shot reaches target yield too quickly

Move finer.

A finer grind usually increases puck resistance and slows the shot.

Shot stalls or takes much too long

Move coarser.

A coarser grind usually reduces resistance and increases flow.

This relationship is why espresso grinders need fine adjustment resolution.

Baratza’s current Encore ESP is a concrete example: Baratza assigns #1–20 to its high-resolution espresso range and #21–40 to coarser brew methods.

Baratza’s current dial-in guide also tells Encore ESP users to begin near the coarse end of the espresso range and make small moves finer.

The specific number does not transfer to another grinder.

The important feature is the amount of control available in the espresso range.

If you are choosing hardware, best espresso grinders compares current grinders by adjustment workflow, burr system, retention and serviceability rather than by a single dial number.

Do not use time as a pass/fail score

Shot time is useful because it tells you how quickly the target yield was reached.

It does not independently tell you whether the coffee tastes balanced.

A more useful sequence is:

1. set dose;
2. set target yield;
3. use grind to bring flow into a reasonable range;
4. taste;
5. change yield or another variable deliberately.

If the shot is already near the reference time and still tastes wrong, moving grind simply to make the clock prettier can take you away from the better recipe.

Yield changes both concentration and extraction

Yield is the weight of espresso in the cup.

With an 18 g dose:

• 27 g out is a 1:1.5 ratio;
• 36 g out is 1:2;
• 45 g out is 1:2.5;
• 54 g out is 1:3.

Changing yield changes more than beverage volume.

A shorter yield generally produces a more concentrated drink and ends the extraction earlier. A longer yield dilutes the final beverage more and continues extracting from the coffee bed.

That is why “make it longer” and “make it shorter” are taste adjustments, not just size choices.

Do not reduce the whole decision to “sour = longer” or “bitter = shorter.” Use taste together with flow, body and puck behavior.

Channeling is not the same problem as the wrong grind

A shot can be fast because the grind is too coarse.

It can also be fast because water found a weak path through the puck.

Those require different fixes.

Signs that should make you inspect puck preparation include:

• side sprays from a bottomless portafilter;
• multiple separated jets;
• obvious early blonding in one area;
• mixed thin/sour and harsh/dry flavors;
• unpredictable shot-to-shot flow at the same recipe.

In that case, check distribution, basket fill and tamp consistency before making large grinder changes.

The best tampers, distributors and WDT tools guide covers the current tools, while bottomless portafilters and precision baskets covers the diagnostic hardware.

Use a scale for dose and yield

Espresso recipes are easier to repeat by mass than by visual volume.

Crema volume changes with coffee, roast, age and gas content, so two cups that look equally full can contain different beverage masses.

A scale lets you separate:

• dry dose in;
• liquid yield out;
• shot time.

That gives you the minimum data needed to repeat or intentionally change a recipe.

See best coffee scales for current compact scale options.

A decision-first dial-in loop

Use this loop instead of changing everything after one disappointing shot.

1. Fix the dose

Use a dose that fits your basket and keep it stable.

2. Choose a starting yield

A 1:2 ratio is a practical starting reference for many modern espresso recipes.

For 18 g in, that means 36 g out.

3. Watch the shot time

If 36 g arrives far too quickly, move finer.

If the shot stalls or takes far too long, move coarser.

If it lands roughly around 25–32 seconds, stop judging the shot by the clock alone and taste it.

4. Diagnose puck preparation separately

If the flow sprays or breaks into obvious uneven jets, fix distribution/tamping before continuing to chase grind.

5. Adjust yield for taste

Once flow is controlled, change the output target deliberately.

Move shorter or longer in small steps and record the result.

6. Change one variable at a time

If you change dose, grind and yield simultaneously, you lose the ability to learn which change caused the result.

That does not mean dialing in must be slow. It means each shot should teach you something.

Grinder retention can blur an adjustment

Some coffee can remain inside a grinder’s burr chamber or grind path.

That matters because the first dose after a grind change may contain a mixture of grounds made at the old and new settings.

How much this matters depends on the grinder design and workflow.

Do not assume every grinder “retains a few grams.” Current products range from hopper grinders to low-retention single-dose designs.

Follow the manufacturer cleaning and adjustment guidance for the grinder you own.

For the mechanical differences, burr grinders explained covers stepped vs stepless adjustment, retention and burr design.

Temperature comes after the basic recipe is stable

Temperature matters, but it is usually a poor first diagnostic variable when dose, yield and grind are still moving.

La Marzocco’s home guidance recommends choosing a brew temperature and keeping it stable while dialing the recipe, with machine-specific or coffee-specific adjustments when appropriate.

That is a useful operating rule:

stabilize dose, yield and grind first; move temperature when you have a clear reason.

If your machine has no user temperature control, that simply means the variable is fixed by the machine and the rest of the recipe must work around it.

Bean age changes flow, but there is no universal rest window

Coffee changes after roasting as gas leaves the beans.

That can affect espresso flow and crema.

The old version of this guide gave a universal “7–14 days” espresso rest recommendation. Cafe & Crema is removing that claim because roast style, packaging, coffee density and roaster guidance vary too much for one window to be reliable across all coffees.

Use the roaster’s guidance when available.

Then treat a grind setting as temporary: if the same dose and yield begin running faster as the bag ages, a small grind adjustment may be normal.

Single-shot espresso needs its own basket-aware recipe

A single basket is not simply a double basket with half the coffee and the same geometry.

Historical SCAA language used 7–9 g for a single and 14–18 g for a double, but current baskets and specialty-coffee recipes vary.

If your machine ships with a single basket:

• use the manufacturer’s intended dose range;
• dial the single basket independently;
• do not assume the grinder setting from the double basket will transfer unchanged.

This is especially relevant to the GSC query “dialing in single shot espresso”: the correct first step is identifying the actual basket and dose, not copying an 18 g double-shot recipe into it.

What to buy first if dialing in is difficult

When the process keeps breaking down, spend according to the bottleneck.

You cannot make small enough grind changes

Start with the best espresso grinders.

Dose and yield are inconsistent

Use a compact coffee scale.

Flow sprays or changes shot to shot

Inspect puck preparation and basket fit with tampers/WDT tools and bottomless portafilters/baskets.

The entire setup is mismatched

Use how to build a home espresso setup to balance machine, grinder, scale and accessories.

The machine is behaving differently even with a stable recipe

Use the espresso machine maintenance guide before assuming every change is a coffee problem.

Sources & Evidence

1. La Marzocco — Using Espresso Brew Ratios — current manufacturer guidance supporting 18 g in, 36 g out, a 1:2 starting ratio and a 25–35 second home-barista reference for a medium roast. https://www.lamarzocco.com/cy/en/using-espresso-brew-ratios/
2. La Marzocco — Dialling-In with Coffee Station — current manufacturer guidance supporting the 18 g / 36 g reference, grind adjustment as the flow control while dose/yield remain fixed, and a 25–35 second target range in that system. https://www.lamarzocco.com/ca/en/dialling-in-with-coffee-station/
3. Baratza — Encore ESP — current product documentation supporting the high-resolution #1–20 espresso range, #21–40 coarser brew range, 40 mm conical steel M2 burrs and current grinder architecture. https://www.baratza.com/en-us/product/zcg495
4. Baratza — Dialing in Espresso — current manufacturer guidance supporting small grinder adjustments, Encore ESP use inside the 1–20 espresso range and grinder-specific calibration considerations. https://www.baratza.com/en-us/blog/product-guides/dialing-in-espresso
5. Specialty Coffee Association — Defining the Ever-Changing Espresso — historical SCA/BGA survey context: legacy SCAA definition of 7–9 g single / 14–18 g double and 20–30 seconds; survey results showing 18–20 g common dose, 36.5 g average output, 25–30 second average extraction for many respondents and 18 g baskets as the most common reported basket size. https://sca.coffee/sca-news/25-magazine/issue-3/defining-ever-changing-espresso-25-magazine-issue-3-zyx36

Frequently asked questions

What is a good starting espresso recipe?

A useful starting reference is 18 g of coffee in and 36 g of espresso out at roughly a 1:2 brew ratio. Current La Marzocco home-barista guidance uses 18 g in, 36 g out and 25–35 seconds for a medium-roast starting recipe. Cafe & Crema uses roughly 25–32 seconds as a practical first diagnostic band, not a universal espresso standard. Your basket, coffee and machine may need a different recipe.

How do I dial in an espresso grinder?

Keep dose and target yield fixed, then adjust grind to change flow. If the shot reaches target yield much too quickly, move finer. If it stalls or runs much too slowly, move coarser. Baratza's current Encore ESP guidance says settings #1–20 are its high-resolution espresso range and recommends moving gradually finer from the coarse end.

Why does my espresso run too fast?

A fast shot often points to insufficient puck resistance, so a finer grind is a common first adjustment when dose and yield are fixed. But spraying or uneven flow can indicate puck-preparation problems instead. Check distribution, dose fit and tamp consistency before chasing the grinder indefinitely.

Why does my espresso run too slowly?

A stalled or very slow shot often means the puck is offering too much resistance. Move the grind coarser first if dose and target yield are unchanged. Also confirm that the basket is not overfilled and that coffee is not contacting the shower screen.

Does sour espresso always mean I need to grind finer?

No. Sourness can coincide with a fast under-extracted shot, but taste is not a one-word diagnostic system. Coffee origin, roast, brew ratio, temperature, puck preparation and channeling can all matter. Use shot behavior and taste together.

Does bitter espresso always mean I need to grind coarser?

No. A slow, dry or harsh shot may improve with a coarser grind or shorter yield, but channeling can create mixed harsh and sour flavors even when the average shot time looks normal. Inspect flow and puck preparation before assuming one taste word proves one extraction fault.

Should I change dose when dialing in?

Usually not at first. Choose a dose appropriate for the basket, keep it fixed, then adjust grind while targeting a stable yield. Historical SCAA espresso definitions covered roughly 7–9 g for a single and 14–18 g for a double, while a historical SCA barista survey found 18–20 g common in professional practice. Those are historical reference points, not a universal dose requirement.

How many shots should dialing in take?

There is no defensible universal number. Some coffees converge quickly and others do not. Grinder retention, basket size, roast, bean age, puck preparation and the size of each grind adjustment all affect how many iterations are needed. Record changes and move one variable at a time.