70 squared

70² = 70 × 70 = 4,900

To square a number, multiply it by itself. 70 squared is written 70² or 70^2, and the answer is 4,900.

How to work out 70 squared

Direct: 70 × 70 = 4,900.
From the previous square: 69² = 4,761, and 70² = 4,761 + (2 × 70 − 1) = 4,761 + 139 = 4,900.

Related

70 cubed = 343,000
The square root of 4,900 is 70, so 4,900 is a perfect square.

Squares near 70

Number	Squared
66	4,356
67	4,489
68	4,624
69	4,761
71	5,041
72	5,184
73	5,329
74	5,476

Need another number? Use the exponent calculator or see all squares and cubes.