# Eureka Mignon Libra

Electric grinder with flat burrs: 55 mm burrs · Stepless · 14.3 lb (6.5 kg)

The Eureka Mignon Libra is an electric coffee grinder with 55 mm flat burrs. Grind size adjusts steplessly. It weighs 14.3 lb (6.5 kg). It holds 10.6 oz (300 g) of beans.

Specs checked Sep 29, 2026 against 3 sources.

- Brands: [Eureka](https://grinderwiki.com/brands/eureka/)
- Official page: <https://www.eureka.co.it/en/products/eureka+1920/prosumer+grinders/gbw+range/117/>
- Grinder Wiki: <https://grinderwiki.com/specs/eureka-mignon-libra/>

## Specifications

### Basics

- Type: Electric [1]
- Brew methods: Espresso [1]
- Body: Aluminum [2]

### Burrs

- Burr shape: Flat [1]
- Burr size: 55 mm [1]
- Burr material: Hardened steel [1]

### Grinding

- Adjustment: Stepless [1]
- Built-in scale: Yes [1]

### Capacity & size

- Hopper: 10.6 oz (300 g) [1]
- Weight: 14.3 lb (6.5 kg) [1]
- Height: 15.4 in (390 mm) [1]
- Width: 4.9 in (124 mm) [1]
- Depth: 7.6 in (192 mm) [1]

### Electrical

- Burr speed: 1,630 rpm [3]

## Quick answers

**What burrs does the Eureka Mignon Libra use?**
55 mm flat burrs.

**Is the Eureka Mignon Libra stepless?**
Yes. Grind size adjusts continuously, without fixed steps.

**How much does the Eureka Mignon Libra weigh?**
14.3 lb (6.5 kg).

**How many beans does the Eureka Mignon Libra hold?**
Up to 10.6 oz (300 g) in the hopper.

**Does the Eureka Mignon Libra have a built-in scale?**
Yes. It can dose by weight.

## Sources

1. [EUREKA, Mignon Libra - prosumer grinders](https://www.eureka.co.it/en/products/eureka+1920/prosumer+grinders/gbw+range/117/) — eureka.co.it · Checked Sep 29, 2026
2. [Eureka Mignon Libra Weight-Based Espresso Grinder – Whole Latte Love](https://www.wholelattelove.com/products/eureka-mignon-libra-weight-based-espresso-grinder) — wholelattelove.com · Retailer · Checked Sep 29, 2026
3. [User Manual - Mignon Libra.pdf](https://www.eureka.co.it/public/files/catalogo/117/User%20Manual%20-%20Mignon%20Libra.pdf) — eureka.co.it · Checked Sep 29, 2026