Complex Number Calculator

How to use the Complex Number Calculator

1. Enter or select: Re(z₁), Im(z₁), Re(z₂), Im(z₂).
2. The results (z₁ + z₂, z₁ − z₂, z₁ × z₂, z₁ ÷ z₂, |z₁|, arg z₁, z₁ in polar form) are calculated instantly as you type.
3. Use “Copy link” to share the calculation with the same input values.

Formula

• (a+bi)(c+di) = (ac−bd) + (ad+bc)i
• |z| = √(a²+b²)