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Square Numbers Reference
The complete reference for square numbers (1–20) and cube numbers (1–10). Test yourself with our interactive quiz to help memorise these essential values.
Square numbers (1–20)
1²1
2²4
3²9
4²16
5²25
6²36
7²49
8²64
9²81
10²100
11²121
12²144
13²169
14²196
15²225
16²256
17²289
18²324
19²361
20²400
Cube numbers (1–10)
1³1
2³8
3³27
4³64
5³125
6³216
7³343
8³512
9³729
10³1000
Frequently asked questions
What are square numbers?+
Square numbers are the result of multiplying a whole number by itself: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100...
What is 15 squared?+
15² = 225.
What are cube numbers?+
Cube numbers are the result of multiplying a whole number by itself three times: 1, 8, 27, 64, 125, 216, 343, 512, 729, 1000.
What is 7 cubed?+
7³ = 343.