Multiply Complex Numbers - Calculator


An easy to use calculator that mutliply two complex numbers.

Let \( w \) and \( z \) be two complex numbers such that \( w = a + ib \) and \( z = A + iB \). \[ wz = (a + ib)(A + iB) = aA + aBi + bAi + i^2 bB \] \[ = aA - bB + i(aB + bA). \]

Use Multiply Complex Numbers Calculator

Enter the real and imaginary parts (as an integer, a decimal or a fraction) of two complex numbers z and w and press "Multiply Complex".

w = + i
z = + i

w × z = + i

More References and Links

Math Calculators and Solvers.