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The big numbers on a blender box are the ones you use least
A blender title shouts peak horsepower, peak watts and total jar ounces. The numbers you live with sit lower on the page. A 2 HP claim works out to 1,492 watts, but the same listing's spec table says 1,380. One jar here is sold as 75 oz and blends 32 oz at a time. And 1 of the seven picks is taller than a common 18 inch cabinet gap. Tell the checker who you blend for and what you make, and it matches you by the fine print.
Blender size and power checker
A rule of thumb, ours. It uses 16 oz per serving and only the numbers on each listing: the most the jar blends at once, the watts in the spec table, the height with the jar, whether a tamper is in the box, and whether the maker says the jar takes hot liquids.
Check the size and power you need See the 7 picks
Guides
Start here
- What size blender do you need?
Enter how many people you blend for, the hardest thing you make and your cabinet gap. See the jar size and listed watts to look for, and which picks match.
The numbers listings hide
- Peak horsepower vs watts: which blender power number counts
One horsepower is 746 watts. A 2 HP blender claim is 1,492 watts, but the same listing says 1,380. What peak power means and which number to compare.
- Jar size is not batch size
A 75 oz blender jar can have a 32 oz blending capacity. How total jar size, the max liquid line and jar width change what you can blend at once.
- Blender height with the jar on, against your cabinets
Blender height with the jar on, from seven listings, against a common 18 inch cabinet gap. One pick is 20.5 inches and one is exactly 18.
- Is a tamper in the box?
A tamper pushes thick blends into the blades while the motor runs. Which of seven blenders include one, and what to do for nut butter if yours does not.
Safety and upkeep
- Hot liquids and blades: what the makers and the CPSC say
Which blenders the makers say can take hot liquids, why a vented lid matters, why sealed cups are never for hot food, and blade handling from CPSC recalls.
- Warranty length and noise: two things the title skips
Blender warranties on seven listings run from 1 to 7 years. What that spread means next to owner reports, plus what hearing agencies say about loud appliances.
More guides
- The 7 best countertop blenders, compared by the numbers under the title
Seven blenders from Vitamix, Blendtec, Ninja, nutribullet, KitchenAid and Breville, compared by listed watts, real batch size, height, tamper and warranty.