80 squared

80² = 80 × 80 = 6,400

To square a number, multiply it by itself. 80 squared is written 80² or 80^2, and the answer is 6,400.

How to work out 80 squared

• Direct: 80 × 80 = 6,400.
• From the previous square: 79² = 6,241, and 80² = 6,241 + (2 × 80 − 1) = 6,241 + 159 = 6,400.

Related

• 80 cubed = 512,000
• The square root of 6,400 is 80, so 6,400 is a perfect square.

Squares near 80

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