Mahlkönig X54 grind settings.
Mahlkönig's home all-rounder: 54 mm flat burrs on a 1–10 collar with half-step graduations.
The chart
Starting points, not targets. Each number carries a ± 0.5-dial step band because that is the honest resolution of this dial — land inside the band, then let taste move you.
| Brew method | X54 dial |
|---|---|
| Espresso anchor | 2 ± 0.5 |
| Moka pot | 3 ± 0.5 |
| AeroPress (short, fine) | 3.5 ± 0.5 |
| V60 / pour-over | 4.5 ± 0.5 |
| Kalita Wave | 5 ± 0.5 |
| Chemex / batch drip | 5.5 ± 0.5 |
| Clever / switch immersion | 6.5 ± 0.5 |
| French press anchor | 8.5 ± 0.5 |
| Cold brew | 9.5 ± 0.5 |
One dial step on this grinder moves the grind by about 1.00 of a point on the 1–10 universal scale — so roughly 1 dial step is the smallest change worth making between brews.
A chart gets you a starting number and then stops. Coffee Aeye quotes every recipe in X54 dial to begin with — and when you rate the brew, it tells you which way to move and how many, on this dial.
€4.29 on Google PlayWhere these numbers come from
Two anchors, and interpolation between them. Espresso and French press are the only two bands that manufacturers and community charts actually document with any consistency, so those are the fixed points: espresso at 2 and French press at 8.5. Everything between is a straight line drawn through them, quantised to the dial step this dial actually resolves.
Absolute accuracy is not possible and this page will not claim it. Burr wear, per-unit zero points and assembly tolerances all shift where a number lands. What the two-anchor method gives you is the right shape — correct spacing between methods, correct direction of travel — which is what you need to dial in efficiently. The rest comes from calibration.
How this grinder works
A stepped collar reading 1 to 10 with half-number graduations. The scale is designed to cover espresso through French press in a single sweep, which is why the anchors sit at 2 and 8.5 — nearly the full dial.
Calibrating the chart to your own X54
If the chart runs consistently coarse or fine for you, do not nudge every row. Re-anchor it:
- Find your espresso mark — the dial step where a 1:2 shot in about 28 seconds actually happens on your machine. If you do not pull espresso, use the finest point where a moka pot does not choke.
- Find your French press mark — coarse enough that a four-minute steep is clean rather than muddy, and the plunger does not fight you.
- Enter both in Coffee Aeye. Replacing the two anchors corrects the zero point and the slope at once, and every method in between re-derives from your own two numbers.
This matters more on some grinders than others — it matters most anywhere the dial is stepless or the zero is set by hand.
Known quirks of the X54
The whole dial is in use, so half-steps matter.
With espresso at 2 and French press at 8.5, a single half-step is a real jump in extraction. Move one graduation at a time and taste before moving again.
Flat burrs, so approach from coarse.
As with any flat set, adjust with the motor running and come down onto your target from above. Grounds trapped in the gap make a fine-to-coarse move read inaccurately.
Commercial burr lineage, home-scale retention.
The grind quality reflects the burr pedigree; the retention reflects the price. Purge a couple of grams when switching bags.
Moving the dial when a brew tastes wrong
The chart gets you into the right neighbourhood. Taste gets you the rest of the way, and the rule is the same on every grinder here:
| What you taste | What it means | Move |
|---|---|---|
| Sour, sharp, thin, empty finish | Under-extracted | Finer |
| Bitter, drying, harsh, ashy | Over-extracted | Coarser |
| Balanced but weak | Ratio, not grind | Hold |
| Balanced but overwhelming | Ratio, not grind | Hold |
On this dial, 1–2 dial steps is one meaningful step. Change one thing per brew. The full method is in the V60 dial-in guide.
Coffee Aeye holds this chart for all 18 supported grinders and closes the loop on it. Rate a brew and it converts the fault you tasted into a concrete move — how many dial on your X54, in your own dial numbers, not a vague "grind finer". Calibrate your two anchors once and every recipe in the app re-derives to your unit. Get it on Google Play — €4.29, one-time.
Convert a setting to another grinder
Settings do not transfer between grinders — click sizes, burr geometry and zero points all differ. The grinder converter maps a X54 setting onto any of the other 17 through the same universal scale this chart is built on.