How to Dial In Your Espresso: A Beginner's Guide
If you've just unboxed a new espresso machine and your first few shots are gushing out in five seconds flat or trickling like cold honey, don't worry. Learning how to dial in your espresso is one of the most rewarding skills a home barista can pick up, and it's also one of the most misunderstood. The good news is that once you grasp the three variables that matter most, you'll start pulling cafe quality shots in your own kitchen.
This beginner's guide walks you through what dialling in actually means, the gear that makes it easier, and a simple step by step routine you can repeat every morning until it becomes second nature.
What does dialling in actually mean?
To dial in espresso is to adjust your grind, dose and yield until your shot tastes balanced and brews within the target time window. Most baristas aim for a 1:2 brew ratio, that's one part coffee to two parts liquid espresso, extracted over roughly 25 to 30 seconds. Get those numbers right and the flavours of the bean shine through.
If your shot pours too quickly, the grind is usually too coarse or the dose is too low. The result is a sour, watery cup. Pull too slowly and the grind is likely too fine or the dose is too high, leading to a bitter, ashy shot. Dialling in is the art of finding that sweet spot.
The three variables you can control
Forget the dozens of charts floating around online. At home, you really only need to focus on three things.
Dose: the weight of dry coffee in your portafilter basket. For a standard double, this is usually 18 to 20 grams, but it depends on your basket size.
Yield: the weight of espresso in your cup. Using a 1:2 ratio, an 18 gram dose should produce roughly 36 grams of espresso.
Time: how long the shot takes from the moment you press the brew button until you stop the pour. Aim for 25 to 30 seconds.
The grinder is your steering wheel. Adjust it finer to slow the shot down, coarser to speed it up. Everything else stays consistent while you find the right setting.
The gear that makes dialling in easier
You can dial in with very little, but a few well chosen tools will save you wasted beans and a lot of frustration.
A quality espresso basket gives you consistent extraction across the puck. The VST Precision Basket is a favourite among home baristas because the precision laser cut holes deliver uniform flow rates, so your shots taste more even from edge to centre. Pick the basket size that matches your typical dose, with 18g being the most popular choice at home.
A digital scale is non negotiable. Eyeballing your dose or yield is the fastest way to get inconsistent results. The Brewista Smart Scale v2 sits perfectly under most portafilters and on the drip tray during the pour, and the built in timer means you can track your shot time without needing a phone or stopwatch.
A good shot glass is handy for visually checking colour and crema, especially when you're just starting out. The dual spout design also makes it easy to split a shot between two cups or pour straight into your milk drink without losing any of that gorgeous espresso.
And of course, you need fresh coffee. Our Espresso blend was crafted specifically for home machines and pulls a beautiful shot with rich notes of dark chocolate. It's forgiving for beginners, which makes it a great choice while you're still finding your settings. Whatever you choose, look for beans roasted within the last few weeks for the best results.
A simple dial in routine
Here's a routine you can use every time you change beans or start the day.
Step 1: Set your dose. Weigh out your target dose, say 18 grams, and grind it directly into your portafilter. Distribute the grounds evenly, then tamp firmly and level.
Step 2: Lock in and pour. Place your scale on the drip tray, put your cup on top, and tare it to zero. Start your shot and your timer at the same moment.
Step 3: Stop at your target yield. For an 18 gram dose with a 1:2 ratio, stop the pour when your scale hits 36 grams.
Step 4: Note the time. Check how long the shot took from the first drip.
Step 5: Adjust and repeat. If the shot was too fast, under 25 seconds, grind a touch finer. If it was too slow, over 30 seconds, grind a touch coarser. Make small adjustments, one at a time, and pull another shot.
You might burn through half a dozen shots before everything clicks. That's completely normal. Once you find your settings, write them down so you can return to them after switching beans or cleaning the grinder.
Let taste be the final judge
Numbers are a great guide, but your tongue makes the final call. A shot can hit every target on paper and still taste flat. Sip every shot you pull while learning. Sour and thin? Try a finer grind or a longer extraction. Bitter and dry? Coarsen the grind or shorten the pour. Over time you'll start tasting these adjustments before you even check the scale.
Keeping your machine in good shape also makes dialling in far easier. A dirty group head or scaled boiler will throw off your shots no matter how perfectly you weigh your beans. If you haven't already, have a read of our complete guide to espresso machine maintenance for a quick refresher.
Final thoughts
Dialling in espresso isn't a magic trick. It's a routine of small, deliberate adjustments backed by good gear and fresh beans. Stick with it for a week or two and you'll find your rhythm. The first time you pull a perfectly balanced shot at home, you'll wonder why you ever queued at the cafe.
Ready to get started? Browse our full range of espresso beans and barista accessories to set yourself up for shot pulling success.