Measurement
You cannot repeat what you do not measure — the same rule that governs a water test kit governs a coffee scale. We compare scales on response time (a slow scale makes you overshoot), resolution and how well they survive a wet drip tray.
2 kg × 0.1 g · pocket size · USB-C
The Black Mirror shrunk to fit a drip tray with room to spare, or a jacket pocket. Same 0.1 g resolution and fast refresh, without the flow-rate display.
Best for: Espresso on a machine with a shallow drip tray, or travel.
≈ $50 / £40 / 45 €
2 kg × 0.1 g · flow rate · under-portafilter footprint
Fast enough for espresso, small enough for a drip tray, and it shows flow rate — which is the one number that tells you what your shot is doing while it is still happening.
Best for: Espresso, where 0.1 g and a fast refresh genuinely change what you can control.
≈ $60 / £50 / 55 €
2 kg × 0.1 g · 6 modes · water resistant
The one scale here built to survive a drip tray. Six modes, auto-start timers and a silicone cover — which addresses the thing that actually kills coffee scales.
Best for: Espresso on a wet drip tray, which is where scales go to die.
≈ $80 / £65
2 kg × 0.1 g · auto timer · V60 footprint
Built around the V60 rather than adapted to it: the footprint fits a dripper and a carafe, and the timer starts on its own when the first drops land.
Best for: Pour-over and immersion brewing, where a timer matters more than refresh speed.
≈ $60 / £50 / 55 €
In espresso a tenth of a gram changes the puck's resistance. It is resolution, not capacity, that decides how useful the scale is.
On a large-capacity manual method the scale has to carry the weight of the water on top of the vessel.
Even a simple scale beats estimating by the spoonful. The most affordable model in the aisle already changes how consistent your coffee is.
For manual methods, often yes. For espresso, no: resolution to the gram hides the gaps that separate two extractions.
Yes, because weight and time are read together. An extraction that reaches the right weight too fast or too slowly immediately signals a grind problem.
It resets the display to zero with the vessel in place, so you weigh only what you add. It is the most used function of all.
Cling film or a cover is enough under a portafilter. Moisture seeping in through the buttons is the number one cause of failure.
Rarely in home use. If values drift, a calibration weight and the maker's procedure put things right — otherwise the batteries are often to blame.
Two kilos cover almost every case: a full carafe and its stand. Beyond that you pay for a capacity you will never use.
Yes, but coffee spilled on the platform ends up in the electronics. An intermediate stand markedly extends its life.
The scale is the accessory that improves coffee consistency most for the least money. Tenth-of-a-gram resolution for espresso, enough capacity for manual methods, and moisture protection that will decide how long it lasts.
Only the specifications at least four models out of five state. A column that is more empty than full compares nothing.
| Model | Price | Capacity | Resolution |
|---|---|---|---|
| TIMEMORE Black Mirror Nano | 50 $ | 2 kg | 0.1 g |
| Hario V60 Drip Scale | 60 $ | 2 kg | 0.1 g |
| TIMEMORE Black Mirror Basic 2 | 60 $ | 2 kg | 0.1 g |
| Brewista Smart Scale II | 80 $ | 2 kg | 0.1 g |
Specifications: manufacturer sheets and Amazon product pages. Prices and availability: Keepa. No product on this site has been physically tested.
Most recent revision in this category: August 8, 2026.
