Best Kitchen Scales for Baking: Why Grams Win Every Time
If you're still measuring flour by the cup, you're making your baking harder than it needs to be.
A cup of flour can weigh anywhere from 120g to 170g depending on how tightly it's packed. That's a 40% variance — in a recipe where flour is the primary ingredient. The bread recipes you read online that say "3 cups of bread flour" are building that variance into every loaf you bake.
Grams don't have this problem. 450g of flour is 450g of flour every time, in any country, with any brand of flour.
Here's why you need a scale, what to look for, and which ones are actually worth buying.
Why Weight Matters for Sourdough Specifically
Sourdough is more sensitive to hydration ratios than almost any other bread. A 70% hydration dough behaves very differently from a 75% hydration dough. You can only calculate hydration if you know the weight of everything going into the bowl.
Hydration formula: (weight of water / weight of flour) × 100 = hydration percentage
A 500g flour + 350g water recipe is 70% hydration. You cannot calculate or consistently reproduce that ratio with measuring cups.
Additionally, sourdough starter feeding ratios — the 1:1:1 or 1:5:5 ratios that determine how active your starter becomes — require precise weights. A "tablespoon" of starter varies enormously. A gram is a gram.
What to Look For in a Baking Scale
Resolution: For most bread baking, 1g resolution is fine. For starter management and espresso, 0.1g is better. Many scales that claim 0.1g resolution are unreliable below about 1g — check reviews carefully.
Capacity: For bread baking, you need at least 3kg capacity (most doughs weigh 800g-1500g). 5kg is comfortable. Don't buy a jewelry scale with 200g max capacity for bread.
Tare function: Required. Tare zeros out the weight of the bowl so you can measure directly into it. Every decent scale has this.
Response time: Some cheap scales lag badly — you add a handful of flour and the number takes 3-4 seconds to stabilize. Good scales update in under a second.
Timer (bonus): Some baking scales have a built-in timer. Useful for sourdough, where you're tracking bulk fermentation and proof time. Not essential if you have a phone.
Platform size: A small platform is annoying for large mixing bowls. Look for at least 5" x 5" surface area.
Top Picks
Escali Primo Digital Kitchen Scale (~$25)
The Escali Primo is the default recommendation for home bakers on a budget. It has 1g resolution, 11 lb (5kg) capacity, a clean interface, and reliable accuracy. It's been around for years and has a track record that cheaper Amazon-generic scales lack.
The Primo measures in grams, kilograms, ounces, and pounds. It runs on 2 AA batteries and shuts off automatically.
The limitation: 1g resolution means you can't precisely measure small starter amounts or espresso doses. For bread baking specifically, it's excellent.
Best for: Most home bakers. Great value, reliable, available everywhere.
OXO Good Grips 11-Pound Scale (~$50)
The OXO has a feature that most bakers don't think about until they need it: a pull-out display. When you're using a large bowl on the scale and the bowl overhangs the platform, you can pull the display forward so it's still visible.
It also has a timer, a larger platform than the Escali, and a more comfortable button layout. The 1g resolution is standard but reliable.
For bakers who bake frequently and want a more polished tool, the OXO is worth the extra $25.
Check OXO Good Grips scale on Amazon
Best for: Regular bakers who want quality-of-life features and better build quality.
American Weigh Scales Blade (~$15)
If budget is the primary concern, the American Weigh Scales Blade is a 5kg/1g scale that bakes bread accurately and costs less than a bag of specialty flour. It's not as polished as the Escali or OXO, but it works.
The platform is smaller, the buttons are cheaper, and the auto-off can be aggressive. But it measures accurately, which is the one job it needs to do.
Best for: Beginners who aren't sure they'll stick with sourdough and don't want to invest before they know.
Acaia Pearl S (~$130)
The Acaia Pearl is the espresso scale that crossed over into the bread baking world. It has 0.1g resolution, a Bluetooth app for logging, responsive sensors, and a built-in timer with a smooth interface. The build quality is exceptional — it feels like a professional instrument.
For sourdough, the 0.1g resolution is useful for starter management. The timer is excellent for tracking fermentation stages. The Bluetooth app lets you log bakes and track what worked.
It's also expensive, and most home bread bakers don't need what it offers. But if you're the kind of baker who wants to geek out on precision, the Acaia is the tool for that.
Best for: Precision-oriented bakers who also make espresso, or serious bakers who track detailed bake notes.
Scale Comparison
| Scale | Price | Resolution | Capacity | Best For | |-------|-------|-----------|---------|---------| | American Weigh Blade | ~$15 | 1g | 5kg | Beginners, tight budgets | | Escali Primo | ~$25 | 1g | 5kg | Most home bakers | | OXO Good Grips | ~$50 | 1g | 5kg | Regular bakers, better UX | | Acaia Pearl S | ~$130 | 0.1g | 2kg | Precision bakers + espresso |
The Honest Recommendation
Buy the Escali Primo if you want a reliable, no-hassle scale that bakes great bread. It's the right tool for most home bakers.
Buy the OXO if you bake regularly and appreciate the pull-out display and timer.
Skip the Acaia unless you also make espresso or you're genuinely going to track detailed bake notes.
The most important thing: buy something and start using it. Any scale is infinitely better than measuring cups for bread baking.