Complex Number Modulus Calculator

Last updated: 2026-08-24

Complex Number Modulus Calculator — Calculate modulus of complex numbers.
Inputs
Result
Enter values and press Calculate

How to use it

  1. Enter current: 3
  2. Enter imag: 4
  3. Calculate and display the magnitude result

Common mistakes

  • ⚠️ Not verifying input values are within realistic ranges for your scenario
  • ⚠️ Entering zero or negative values where positive numbers are required
  • ⚠️ Rounding intermediate results too early in multi-step calculations

Worked example

Calculate | 3 + 4i |.

The calculated result provid is the main output value.

Input guide

FieldTypical range
imagEnter value within min-max range shown.
realEnter value within min-max range shown.