Online arctan (x) calculator. Inverse tangent calculator.Enter the tangent value, select degrees (°) or radians (rad) and press the = button.

In terms of the standard arctan function, that is with range of (−π/2, π/2), it can be expressed as follows: It also equals the principal value of the argument of the complex number x + iy.

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Calculator to give out the arctan value of a number.

Use this arctan calculator to quickly find the inverse tangent. Whether you're looking for a simple answer to the question "what is an arctan?" or are curious about the integral or derivative of …

Jan 7, 2026 · Calculate arctan (inverse tangent) with high precision. Get the angle whose tangent equals your input value, displayed in both degrees and radians with interactive unit circle …

Aug 1, 2025 · Calculate Arcsine, Arccosine, Arctangent, Arccotangent, Arcsecant and Arccosecant for values of x and get answers in degrees, ratians and pi. Graphs for inverse …

Calculate the arctangent (inverse tangent) with this Arctan Calculator. Input tangent value, choose degrees or radians, and get precise results instantly. Simplify trigonometric calculations now!

Definition of the arctan function in trigonometry. The inverse of the tangent function. The angle whose tangent is a given number.

Find the Arctan (inverse tangent) angle in degrees and radians. Enter the tangent value, click calculate and get your results in degrees (°) and radians (rad).