Power Calculator
Work out any number to any power, with the expanded form for small whole number powers.
Result
Common Powers
3 to the power of 4
2 to the power of 10
5 to the power of 0
2 to the power of -3
9 to the power of 0.5
10 to the power of 3
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How Powers Work
base ^ exponent = base multiplied by itself exponent times
Worked examples: 3^4 = 3 x 3 x 3 x 3 = 81. 2^10 = 1024. 5^0 = 1. 2^-3 = 1 / (2 x 2 x 2) = 0.125. 9^0.5 = 3, because a 0.5 exponent is a square root and 3 x 3 = 9.
Frequently Asked Questions
3 to the power of 4 is 81. It means 3 multiplied by itself 4 times: 3 x 3 x 3 x 3 = 81.
A power calculator works out a base raised to an exponent. Enter the base and the exponent, and it gives the result plus the expanded multiplication when the exponent is a small whole number.
2 to the power of 10 is 1024. It means 2 multiplied by itself 10 times.
A negative exponent means one divided by the positive power. For example 2 to the power of -3 is 1 / (2 x 2 x 2) = 1 / 8 = 0.125.
A fractional exponent means a root. An exponent of 0.5 is a square root, so 9 to the power of 0.5 is 3, because 3 x 3 = 9.
Any number except 0 to the power of 0 is 1. For example 5 to the power of 0 is 1.
3^4 is read as 3 to the power of 4, or 3 to the fourth power. The 3 is the base and the 4 is the exponent.
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