Eureka Mignon Libra Coffee Grinder

One-line verdict

Home baristas who want built-in scale accuracy for true grind-by-weight espresso and filter, delivering the quiet precision of the Mignon line with automated dosing that manual single-dose options lack.

How it compares

• vs Eureka Mignon Zero ($749): Libra wins on built-in scale automation and dose repeatability, Mignon Zero wins on single-dose workflow without scale dependency
• vs Eureka Mignon Oro ($849): Libra wins on integrated grind-by-weight dosing, Mignon Oro wins on single-dose retention and pure grind clarity
• vs Eureka Mignon Perfetto ($699): Libra wins on automated dosing precision, Mignon Perfetto wins on price and simpler workflow
• vs Niche Zero ($629): Libra wins on automated grind-by-weight and noise, Niche Zero wins on single-dose retention and compact design
• vs DF83 ($699): Libra wins on dosing automation and noise level, DF83 wins on burr size and price-to-flat-burr-performance ratio

AI-summarized review themes

Frequently praised

• Accurate built-in scale for precise dosing
• Quiet operation with excellent espresso consistency
• Low retention and straightforward cleaning

Frequently criticized

• Premium price for the scale feature
• Slightly slower than pure single-dose designs
• Scale calibration requires occasional checking

Best for

Espresso and filter users needing exact dose control, daily precision dialers, quiet kitchen setups

Not for

Budget buyers, ultra-minimal single-dose purists, high-volume commercial use

Specifications

Spec	Value
Burr Type	55mm flat
Grind Settings	Stepless
Hopper Capacity	10.5 oz (with scale dosing)
Dimensions	7.1 x 9.4 x 14 in
Weight	15.4 lbs

Data sources

• Estimated ~1800 public reviews referenced across Amazon, Reddit, Home-Barista, Eureka site
• Review period: 2024-2026
• Last generated: 2026-04-06