Exponent Calculator
Calculate a^b instantly. Free exponent calculator with local number formats. Supports big numbers, decimals, negative exponents, and scientific notation—no signup.
Number format
Choose how numeric results are displayed. The selected decimal separator (dot or comma) will also be used when parsing input numbers.
How to calculate an exponent?
To calculate an exponent, you need to use the base number and the exponent or power. The basic formula for an exponent is:
a^n
where "a" is the base number and "n" is the exponent or power.
To calculate the value of an exponent, you can use repeated multiplication of the base number "a" by itself "n" times. For example:
2^3 = 2 x 2 x 2 = 8
In this case, 2 is the base number and 3 is the exponent or power.
Alternatively, you can use the power function on a calculator or a computer. The power function is often denoted by the "^" symbol. For example, to calculate 2^3 on a calculator or a computer, you would enter:
2^3
and the result would be 8.
Exponents can also be negative or fractional. To calculate a negative exponent, you can use the reciprocal of the base raised to the positive exponent. For example:
2^-3 = 1 / 2^3 = 0.125
To calculate a fractional exponent, you can use the root function. For example:
4^(1/2) = √4 = 2
In this case, 4 is the base number and 1/2 is the fractional exponent or power, which is equivalent to the square root of 4.