Grind setting conversion
Mahlkönig EK43 vs Option-O Lagom P64
Two grinders cross-shopped at the same money. The Lagom P64 is numbered 0–60; the EK43 is numbered 0–16.
| EK43 | Lagom P64 | |
|---|---|---|
| Brand | Mahlkönig | Option-O |
| Scale | Numbered dial | Numbered dial |
| Dial range | 0 – 16 | 0 – 60 |
| Burrs | Flat | Flat |
| Espresso → filter | 7 numbers | 20 numbers |
| Filter → coarse | 7 numbers | 25 numbers |
The same number means different things
Both grinders use a numbered dial, which makes it tempting to copy a number straight across. Setting 8 sits at grind index 27.5 on the EK43 but 5.6 on the Lagom P64 — far enough apart to change the cup.
Converting a setting
If a recipe quotes a setting for one of these grinders, read across for the equivalent on the other. Rows are spaced evenly by grind size, not by dial number — on a conical burr those are not the same thing.
| EK43 | Lagom P64 |
|---|---|
| 2 | 5 |
| 4.8 | 9.4 |
| 7.1 | 13.8 |
| 7.8 | 17.8 |
| 8.5 | 21.8 |
| 9.3 | 25.7 |
| 10.7 | 29.3 |
| 12.1 | 32.9 |
| 13.4 | 36.6 |
| 14.3 | 40 |
| 14.9 | 43.3 |
| 15.4 | 46.7 |
| 16 | 50 |
| Lagom P64 | EK43 |
|---|---|
| 5 | 2 |
| 9.4 | 4.8 |
| 13.8 | 7.1 |
| 17.8 | 7.8 |
| 21.8 | 8.5 |
| 25.7 | 9.3 |
| 29.3 | 10.7 |
| 32.9 | 12.1 |
| 36.6 | 13.4 |
| 40 | 14.3 |
| 43.3 | 14.9 |
| 46.7 | 15.4 |
| 50 | 16 |
Side by side, by brew method
Where each grinder lands for the same brew, worked out from its own dial curve.
| Method | EK43 | Lagom P64 |
|---|---|---|
| Espresso | 3.7 | 7.7 |
| Moka pot | 7 | 13 |
| AeroPress (short steep) | 7.8 | 17.8 |
| Pour over — V60 / cone | 8.8 | 24 |
| Pour over — flat bottom | 9.8 | 27.2 |
| Drip / batch brew | 10.7 | 29.3 |
| Chemex | 12 | 32.8 |
| French press | 14.1 | 38.8 |
| Cold brew | 15.2 | 45.2 |
The shape of each dial
Where the connectors bunch, that grinder’s dial is compressed and single steps count for more. Comparing the two shapes tells you which gives finer control, and where.
Mahlkönig EK43
Option-O Lagom P64
Dialing in the EK43
The grinder that changed what filter coffee was supposed to taste like, and still the reference for high-clarity brewing. Its very large flat burrs produce an unusually narrow particle distribution, which is why coffee ground on an EK often tastes cleaner at the same nominal setting than it does elsewhere. Stepless, so treat the numbers as targets.
Dialing in the Lagom P64
A single-dose flat-burr grinder built around burr swapping — the character changes substantially with the set you fit, so treat published numbers as approximate across different burrs. Stepless, so the settings below are targets.
Own a different grinder?
Convert between any two of 78 models
The converter runs the same maths for any pair in the catalog.
Open the grind converter →Send me both charts
Every setting for the Mahlkönig EK43 and the Option-O Lagom P64, side by side in your inbox.
One email with both charts. Nothing else unless you ask.
Switching grinders mid-bag?
Log a brew, say how it tasted, and BrewMark tells you which way to move — in whichever grinder’s numbers you are actually using. Free on iOS.
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