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Mahlkönig E64 WS: the home espresso grinder with weight-based grinding
The Mahlkönig E64 WS is a domestic espresso grinder equipped with Grind-by-Weight technology, designed to offer the same consistency of dosing at home as professional café grinders. It uses 64 mm flat burrs made from special steel, a built-in scale and an electronic system for adjusting the distance between the burrs to ensure precise, repeatable and easily controllable doses. This grinder is aimed at home baristas who regularly prepare espresso and wish to minimise waste and variations between brews. It is a prosumer solution: more advanced than a simple domestic coffee grinder, yet still compact and suitable for use in a standard kitchen.
Grind-by-Weight technology
The key feature of the Mahlkönig E64 WS grinder is the Grind-by-Weight system, which measures the coffee directly by the desired weight rather than by grinding time. The user sets the number of grams required for the dose (for example, 18 g) on the front display, and the grinder stops automatically when the built-in scale detects that the set weight has been reached. This approach offers three concrete advantages: it reduces variations between doses, limits waste caused by over-dosing, and automatically corrects for variations linked to coffee ageing or environmental conditions. Compared to a traditional time-based grinder, the user gains more direct control over the recipe, without needing to constantly check the dose on an external scale.
Weight-based coffee grinder with connectivity and Grind-by-Sync
In addition to weight-based grinding, the Mahlkönig E64 WS features the Grind-by-Sync function, which enables real-time data exchange with compatible espresso machines. The machine can communicate extraction times and yields to the grinder, and the grinder can automatically adjust the grind size to maintain consistent target times. Management is handled via a dedicated app and cloud services: the user can update the firmware, monitor usage, analyse extraction consistency and save grind profiles associated with different recipes. This level of integration brings a workflow to the home that was previously typical of professional setups with strict parameter control.
64 mm burrs and electronic adjustment
The E64 WS grinder uses 64 mm flat burrs made from special steel, designed to offer uniform particle distribution and a balanced flavour profile. The motor operates at an idle speed of around 1,950 rpm, with an espresso grinding capacity averaging between approximately 2 and 3.5 g per second depending on the grind size. Grind adjustment is handled by the electronic Disc Distance Detection system, which measures the distance between the burrs to the nearest micron and displays it on the screen. The user can thus reproduce a previous setting or make precise micro-adjustments based on the result in the cup, reducing the risk of missing the ‘sweet spot’ following maintenance.
Performance of the E64 WS grinder in daily use
In daily use, the Mahlkönig E64 WS weight-based coffee grinder is designed to ensure repeatable doses with an accuracy of around 0.1 g, in line with the specifications of Grind-by-Weight technology. Tests and reviews report good dose stability over time, with minimal variations noticeable in a domestic setting. This consistency translates into a more predictable workflow: once the recipe is set (for example, 18 g in – 36 g out in 25–30 seconds), the user can focus on distribution and tamping, knowing that the grinder always delivers the same amount of ground coffee. For those who make several espressos a day, the reduction in manual micro-adjustments makes a difference in terms of time and waste.
Noise levels, dimensions and practicality in the kitchen
The design of the E64 WS grinder has been conceived for a domestic environment: a compact body, a hopper holding approximately 250 g and a height suitable for fitting under most wall units. The noise level is low compared to many professional grinders, so you can prepare coffee even in the early hours of the morning with minimal disturbance. Features such as the adjustable filter holder, work area lighting and optimised dispensing spout enhance ease of use. Finally, the on-screen guided zero calibration simplifies maintenance: when replacing the burrs or carrying out a deep clean , the system helps to correctly realign the contact point between the burrs.
Would you like to find out more about or compare the E64 WS grinder?
If you are considering purchasing the Mahlkönig E64 WS grinder and want to know if it is suitable for your home espresso machine, you can compare its technical specifications with those of the other 64 mm grinders in the Caffè Italia catalogue. Alternatively, you can request personalised advice from the Caffè Italia team of experts, specifying the type of machine you use, the number of espressos you make daily and your level of experience.
Frequently asked questions about the Mahlkönig E64 WS grinder
Is the Mahlkönig E64 WS grinder designed solely for espresso?
The E64 WS grinder is primarily designed for espresso, with an adjustment range optimised for pressure-based extraction and typical café recipes. It is possible to experiment with coarser grinds, but for filter coffee or all-round brewing, there are more versatile grinders in the same range, such as models specifically designed for a wider range of applications.
How accurate is the E64 WS grinder’s weight-based grinding?
The E64 WS grinder’s Grind-by-Weight technology is designed to dose with an accuracy of up to approximately 0.1 g, according to the manufacturer’s specifications. In practice, independent tests and reviews describe very consistent doses and minimal variations between grinds, suitable for advanced home use.
Can I use the E64 WS grinder without the app?
Yes, the Mahlkönig E64 WS grinder can be operated entirely via the front panel, with weight and recipes set directly on the display. The app and cloud features add remote control, updates and data analysis, but are not essential for day-to-day use.
What kind of maintenance does the Mahlkönig E64 WS grinder require?
Basic maintenance involves periodically cleaning the grinding path, removing residual oils and replacing the burrs after a certain volume of coffee, in accordance with the manufacturer’s instructions. The display-guided zero calibration simplifies realignment after maintenance, helping to keep the settings stable over time.
Is the Mahlkönig E64 WS grinder suitable for those who make only a few coffees a day?
The E64 WS grinder can also be used for just a few brews a day, but its potential really shines in setups where multiple espressos are prepared daily and you wish to automate dose management. For very occasional use, a less complex grinder may be more suitable, whilst the E64 WS is ideal for those who want to achieve a level of control close to that of a professional setup.
