
The best coffee scale for most people is the Timemore Black Mirror Basic 2.0: fast, accurate to 0.1 g, with a built-in timer, at a fair price. For pour-over, the Hario Polaris adds a ratio mode that tells you how much water to pour. For espresso, the Acaia Lunar is the premium choice and the MHW-3BOMBER Cube 2.0 the budget one, and the Wacaco Exagram Pro is the best small scale for travel. Whatever you choose, look for 0.1 g readability, a quick, steady response, a timer and a size that fits your brewer or drip tray.
| Scale | Best for | Why we picked it |
|---|---|---|
| Timemore Black Mirror Basic 2.0 | Best overall | Fast, 0.1 g readability, timer, good value |
| Hario Polaris | Best for pour-over | Ratio mode and auto-start timer guide each pour |
| Acaia Lunar | Best premium espresso scale | Compact, very responsive, fits on a drip tray |
| MHW-3BOMBER Cube 2.0 | Best budget espresso scale | Espresso-ready features for less |
| Wacaco Exagram Pro | Best for travel | Small, rechargeable, easy to pack |
The 5 Best Coffee Scales
There is no single best scale for everyone. Espresso needs speed and a compact footprint, pour-over benefits from a stable platform and a timer, and travel needs something tough and small. These five picks cover the common setups.
1. Timemore Black Mirror Basic 2.0: Best Overall

If you want one scale for most home coffee, this is it. It responds quickly as you pour, settles fast, and has the features you will actually use: 0.1 g readability, a built-in timer and an easy tare button. It works as a daily scale for pour-over, drip and many espresso setups. Timemore also now sells a newer Basic 3, so compare the two before you buy.
- Best for: pour-over (V60, Chemex, Kalita Wave), drip machines and most espresso setups
- Pros: 0.1 g readability; built-in timer; good balance of size and usability
- Cons: larger than espresso-only scales; check the exact version and features before buying
Check current pricing on Amazon.
2. Hario Polaris: Best for Pour-Over

The Polaris is built around pour-over. Its Polaris mode works out the water for your chosen coffee dose and ratio and shows how far through the pour you are, and its timer can start automatically when you begin pouring. If you are learning pour-over, or want repeatable results without doing math every morning, it is a great fit.
- Best for: pour-over brewers who track each pour; anyone learning to brew by ratio
- Pros: ratio mode; auto-start timer; coffee-focused interface; runs on replaceable AAA batteries
- Cons: not designed for espresso; the touch power button is sensitive
Check current price on Amazon.
3. Acaia Lunar: Best Premium Espresso Scale

The Lunar is the espresso scale many baristas and home espresso fans aim for. It is small enough to sit on most drip trays under a cup, responds almost instantly, and has espresso modes that start the timer automatically when the shot begins to flow. The metal, water-resistant body stands up to daily use beside a machine. You pay a premium, but it is a buy-once scale.
- Best for: espresso-focused setups and anyone who wants fast, steady readings shot to shot
- Pros: compact; very responsive; durable build; polished modes and app
- Cons: expensive; many features are nice to have rather than essential
Check current pricing on Amazon.
4. MHW-3BOMBER Cube 2.0: Best Budget Espresso Scale

This is the budget-but-not-flimsy choice for home espresso. It has 0.1 g readability, a timer and a compact shape that fits many espresso setups, for much less than premium scales, so you can spend more on your grinder or machine.
- Best for: home espresso on a budget; anyone who wants a compact coffee scale with a timer
- Pros: 0.1 g readability; compact; strong feature set for the price
- Cons: long-term durability and quality control vary more at this price, so buy from a retailer with easy returns
Check current pricing on Amazon.
5. Wacaco Exagram Pro: Best Travel Scale

If you travel with an AeroPress or a small pour-over kit, the Exagram Pro is compact, USB-rechargeable and simple to use, so you can keep brewing by weight on the road. It also suits small kitchens where you want a scale that tucks into a drawer. See our AeroPress Go review for a travel brewer to pair it with.
- Best for: travel coffee kits and small kitchens
- Pros: compact and light; USB rechargeable; weighs dose and water without a full-size scale
- Cons: small platform for big servers or heavy brewers; readability may coarsen at higher weights
Check current price on Amazon.
What to Look For in a Coffee Scale

- 0.1 g readability: essential for espresso, where a gram or two changes the shot, and nice to have for pour-over.
- Fast, steady response: a scale that lags or jumps around while you pour makes you chase the numbers. Response speed matters as much as accuracy.
- Easy tare: you will zero the scale constantly, so the button should be easy to reach and quick.
- Built-in timer: keeps recipes simple. An auto-start timer, which begins when you start pouring or the shot starts flowing, is genuinely useful.
- Size: an espresso scale must fit on your drip tray under the cup; a pour-over scale needs a platform big enough for a Chemex or carafe.
- Capacity: 2 kg is plenty for most brewing; check it covers your brewer, server and water together.
- Power and durability: rechargeable scales save batteries; a water-resistant body helps beside an espresso machine or kettle.
Grams vs ounces: coffee recipes are written in grams because they are precise and easy to scale. One ounce by weight is 28.35 g, while one US fluid ounce of water weighs about 29.6 g. When a recipe says “8 oz of water,” it usually means 8 fluid ounces, about 237 g.
Do You Need a Coffee Scale?
If you want coffee that tastes the same every day, yes. Scoops vary a lot with grind size and roast, while weighing your coffee and water lets you repeat a good cup and fix a bad one on purpose. A scale is the cheapest real upgrade for pour-over and espresso. Read 4 reasons to use a coffee scale, then put it to work with our coffee-to-water ratio guide, pour-over guide, Kalita Wave recipe and espresso troubleshooting guide.
Which Coffee Scale Should You Get?
- If you want one scale that covers 90% of home coffee: Timemore Black Mirror Basic 2.0
- If you mostly do pour-over and want guidance built in: Hario Polaris
- If you are espresso-first and want the premium option: Acaia Lunar
- If you want espresso capability without premium pricing: MHW-3BOMBER Cube 2.0
- If you travel with your setup: Wacaco Exagram Pro
Pair your scale with a good grinder and kettle; see the best coffee grinders and gooseneck kettles.


