Complex Number Calculator
Add, subtract, multiply, divide and raise complex numbers; polar form.
Runs in your browser — nothing is uploaded—
Details
How to use Complex Number Calculator
- Enter your values — the unit for each field is shown next to it.
- The result updates instantly as you type.
- Copy the results, or change inputs to compare scenarios.
Formula & assumptions
(a + bi)(c + di) = (ac − bd) + (ad + bc)i
|z| = √(a² + b²), arg z = atan2(b, a)
zⁿ = |z|ⁿ (cos nθ + i sin nθ)