Complex Number Calculator
Compute complex number operations — arithmetic, modulus, argument, and conjugate.
Enter Complex Numbers
A =+i
B =+i
Results
A + B4 + 6i
A - B2 + 2i
A × B-5 + 10i
A ÷ B2.2 - 0.4i
|A| (modulus)5
arg(A)53.1301°
conj(A)3 - 4i
Polar Form of A
5∠53.1301°
r∠θ° where r = |A| and θ = arg(A)
About Complex Number Calculator
Perform arithmetic and analysis on complex numbers in the form a + bi. Supports addition, subtraction, multiplication, division, modulus (absolute value), argument (phase angle in degrees), conjugate, and polar form conversion. All results are rounded to 6 significant figures. Inputs are preserved in the URL so you can share or bookmark any calculation.
Private & free — this tool runs entirely in your browser.
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