Hario Polaris
Coffee Scales

Polaris

Hario

Released Mar 1, 2025 · Analysis updated Oct 21, 2026

This lightweight coffee scale offers easy-to-read percentage displays and an automatic timer for precise brewing. The Hario Polaris scores 76/100 based on 3 expert reviews in the coffee scales category. Coverage includes reviews from Seriouseats, Thebasicbarista, and Thecoffeeguru.

Critic Score

What's this?
76

based on 3 expert reviews

SeriouseatsThebasicbaristaThecoffeeguru

Low confidence · only 3 reviews

Critics are split: our scores run from 49 (Thecoffeeguru) to 95 (Seriouseats) — a 46-point spread. Thecoffeeguru tends to score critically across our dataset.

Average of 3 publication reviews, each normalized to a 0–100 scale. How we score

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Pros

  • Percentage display(2)

Cons

  • Not ideal for espresso(2)

3 Publication Reviews

95
Independent publication08/2025

AI summary of this review

The best coffee scale is the Hario Polaris. It's under $100, comes with an automatic timer, and is slim enough to fit under an espresso portfilter.

Score estimated from the review text

85
Independent publication03/2025

AI summary of this review

The Hario Polaris Coffee Scale brings something fresh to the table with its automatic water calculation and percentage display.

Score estimated from the review text

49
Independent publication

AI summary of this review

The Hario Polaris is a specialized scale with a helpful percentage-based progress display, but it is hampered by a high price and a lack of published technical specifications.

Publisher score: 4.9 / 10