Integral Calculator (Antiderivative)

Find the indefinite integral (antiderivative) or evaluate the definite integral of a function with respect to a specified variable.

Use standard mathematical notation. Examples: x^2, sin(x), exp(x), log(x)
Leave blank for indefinite integral. Use 'pi', 'e'.

About the Integral Calculator

This calculator finds the indefinite integral (antiderivative) or evaluates the definite integral (area under a curve) of a function. Enter the function, variable, and optional limits.

Crucial in calculus for finding areas, volumes, and accumulated change. Related tools include our Derivative Calculator and Limit Calculator.