Funcubing: Cube Sizes

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Different sizes for 3×3×3 Cubes

A regular sized 3×3×3 cube has an edge length of about 56-58mm. There is a size range of about 45-60mm, where a cube is comfortable to handle. However, it is great fun to collect different sized cubes, as long a they are of good quality. There are a few manufacturers who produce really crappy cubes. In most cases, these can be identified by faint and/or odd sticker colors, and sharp outer edges.

The largest mass-produced cube has a total edge length of about 38cm, with an increasing number of models down to an edge length of about 18cm.

Leaving out these extremes, most cubes have an edge length from 30mm to 90mm. For more information on 3×3×3 cube sizes, see the  Size Categories  below.

Cube Sizes by Layer Count

The first higher order cubes were relatively large and heavy. Sometimes you'd either like a cube that does not take that much space in your luggage, or you'd just want to deal with less weight and size. However, smaller inner layers make turning single inner layers impossible, and require a two-step "forth and back" turning along each of the faces of the layer.

For strange reasons, there are no significantly smaller 4×4×4 cubes on the market.

Layers	Regular Size	Smaller		Notes
2	50mm	25mm
3	57mm	47mm		other sizes: see above
4	62mm	56mm
5	62-64mm	58mm
6	~65mm	-		the former regular size was 69mm
7	~69mm	66mm		the former regular size was 77mm
8	69mm			the former regular size was 84mm
9	75mm			the former regular size was 92mm
10	84mm			the former regular size was 102mm
11	89mm			the former regular size was 109mm
12	91-94mm			cubic, ~500-530g; pillowed: 100mm, ~600g
13	98-100mm			cubic, ~600-630g; pillowed: 128mm, ~1060g
14	109mm			pillowed, ~800g
15	106mm			pillowed, ~920g; formerly: 120mm, ~1150g
16	120mm			pillowed, ~1000g
17	123mm			pillowed, ~1080g; formerly: 176mm, ~3000g
19	131mm			pillowed, ~1380g
21	150mm			pillowed, ~2000g

Cube Size categories for 3×3×3 Cubes

Note: After the GAN 328 (28mm) cubes became available, I adjusted the range for "tiny" to less than 25mm. That keeps this category exclusive. Whenever new cubes between 21mm and 28mm become available, I might re-adjust the cutover point.

Category	size range				Notes
Tiny			less than 25mm		The smallest cubes have 10.0mm and 15.6mm.
Small	25mm	to	less than 46mm
Slightly smaller	from 46mm	to	less than 54mm		Popular models: ShengShou LingLong 3X3X3 (46.8mm) and QiYi Valk3 Mini 4.74 (4.74mm).
Regular	from 54mm	to	less than 60mm		This is the range, where a cube does not feel "off-size". The original cube size was 57mm.
Slightly larger	from 60mm	to	less than 70mm		Popular models: QiYi Sail 6.0cm (60.4mm) and QiYi Sail 6.8cm (68.5mm).
Large	from 70mm	to	130mm		Popular models: ShengShou Big Legend (70mm) and QiYi QIMENG (90mm).
Huge	more than 130mm				The currently largest cube has about 38cm edge length.

Tiny 3×3×3 Cubes: (1) 10.0mm, (2) 15.6mm, (3) 20.0mm, (4) 20.5mm, (5) 21.0mm.

Tiny 3×3×3 Cubes

Here are the Tiny Cubes from my collection. See the photo at the right, cubes left to right.

1. CubeLab Mini 3x3 1cm (10.0mm)
   Currently the smallest mass-produced cube. It measures 10.0mm including the stickers. In spite of the size, it still turns OK.
2. Maru Nanocube (15.6mm)
   Previously available as DIY Kit. The cube itself has about 5mm cubie size, but assembled and including the stickers, it measures 15.6mm. If all casting fins are carefully removed before assembly, the turning quality can become very good.
3. Vintage Noname 3x3 (20.0mm)
   This cube was available as keychain or necklace version. There is no date given, but I would estimate late 80s or early 90s. All of these are incredibly stiff and need a lot of force to be turned.
4. YJ Mini Bread 2.0cm Keychain Cube
   This is the smallest pillowed 3x3x3 cube. It measures 20.5mm at the widest point. This one has the best performance in the field, it would qualify as "speed cube" if it wasn't too small for that.
5. Original World's Smallest Rubik's Cube
   This Rubik's brand cube measures 21.0mm. It is far from turning smoothly, but thanks to the vintage noname, it is not the worst in the field, but still far from good.

Largest 3×3×3 Cubes

This is the list of the largest 3×3×3 cubes as of end of 2023.

Size	Brand	Model	Item number
380mm	QiYi	Warrior Plus Max Box
380mm	QiYi	Warrior Plus Max
349mm	DianSheng	348MM "Googol 34.8cm"	T22009
300mm	SiteLun	30cm	L888
189mm	DianSheng	188MM "Googol 18.8cm"	T22008
188mm	QiYi	Warrior Plus 18.8CM	QY3147
180mm	HeShu	18cm	NO.660
129mm	DianSheng		DS-167
120mm	Paladone	Rubik's Cube Light	127078

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