Quadratic Formula Calculator

Solve a quadratic equation in the form ax² + bx + c = 0.

How to use the Quadratic Formula Calculator

Enter the coefficients a, b, and c. The calculator uses the quadratic formula and reports real or complex roots.

About this calculator

Solve a quadratic equation in the form ax² + bx + c = 0. CalcKitt keeps the inputs blank until you enter your own values, and results are calculated in your browser.